Metrohm 797 VA Computrace Manual de usuario

797 VA ComputraceSoftware Version 1.3.xManual8.797.8002EN

Table of contents 797 VA Computrace – Software VI Computrace control window ... 197 7.2 Dosing De

5 Determination mode 797 VA Computrace – Software 88 loaded in the working memory as an ASCII file (*.txt). This file can be imported into spreadsh

5.2 Working method specifications 797 VA Computrace – Software 89 Calibration [ see below ; Standard addition manual ] Selection of calibration m

5 Determination mode 797 VA Computrace – Software 90 Addition [ Manual, Automatic ; Manual ] Selection of manual or automatic standard addi-tion

5.2 Working method specifications 797 VA Computrace – Software 91 Sample identifier [ 32 characters ; "sample" ] Identification for sa

5 Determination mode 797 VA Computrace – Software 92 Cell volume (mL) [ > 0 mL ; 10 mL ] Total volume of solution (sample + auxiliary solu-tio

5.2 Working method specifications 797 VA Computrace – Software 93 No. of cells [ 0...28 ; 2 ] Number of solutions to be measured if Batch with so

5 Determination mode 797 VA Computrace – Software 94 For a detailed description of these parameters see section 3.4 Gen-eral operation sequence, a

5.2 Working method specifications 797 VA Computrace – Software 95 pend on the Calibration technique selected in the WORKING METHOD SPECIFICATIONS w

5 Determination mode 797 VA Computrace – Software 96 Achtung: Dosino 1..3 refer to Dosinos connected to the 797 VA Computrace. Dosino 4...7 refer t

5.2 Working method specifications 797 VA Computrace – Software 97 libration curve or RC Record response curve is se-lected for Calibration. Linear

Table of contents 797 VA Computrace – Software VII Print determination results and curves ... 218 8.6 Analyze E

5 Determination mode 797 VA Computrace – Software 98 Note: If you work with the modes CVS or CPVS the parameter list is different. Baseline The BAS

5.2 Working method specifications 797 VA Computrace – Software 99 Note: For Electroplating Bath VA, Metrohm recommends to use a horizontal baseline

5 Determination mode 797 VA Computrace – Software 100 Open the CALCULATION window for edition of the selected formula. Delete the selected formu

5.2 Working method specifications 797 VA Computrace – Software 101 EDIT WORKING METHOD PARAMETER/Determination tab. For Calibration techniques not

5 Determination mode 797 VA Computrace – Software 102 For the Electroplating Bath VA Calibration technique “DT Record calibration curve” (to get th

5.2 Working method specifications 797 VA Computrace – Software 103 Volume (mL) [ > 0.01 mL ; 0 mL ] Addition volume for each addition. Swi

5 Determination mode 797 VA Computrace – Software 104 Documentation In the Documentation tab of the EDIT WORKING METHOD PA-RAMETERS window the elem

5.2 Working method specifications 797 VA Computrace – Software 105 Working method Automatic printout of the method parameters of the working method

5 Determination mode 797 VA Computrace – Software 106 Export final results as ASCII If this option is activated, the full report is ex-ported as an

5.2 Working method specifications 797 VA Computrace – Software 107 Append If this option is activated, the new XML -file is ap-pended to a (possib

Table of contents 797 VA Computrace – Software VIII Electrolytes ... 25

5 Determination mode 797 VA Computrace – Software 108 Use for predose [ on, off ; off ] Use of a Dosing Device for addition of an auxiliary solut

5.3 Monitor 797 VA Computrace – Software 109 Start determination The operation sequence (see section 3.4) defined in the working method is s

5 Determination mode 797 VA Computrace – Software 110 Stop determination Stop running determination immediately. Hold determination In

5.3 Monitor 797 VA Computrace – Software 111 overload. In this case, stop the measurement and change the measurement parameters. For a running volt

5 Determination mode 797 VA Computrace – Software 112 can be changed if desired. Cell volume (mL) [ > 0 mL ; 10 mL ] Total volume of solutio

5.3 Monitor 797 VA Computrace – Software 113 concentrations Conc. refer to this cell volume. It can be changed for the Calibration technique “Stand

5 Determination mode 797 VA Computrace – Software 114 with the Calibration technique “MLAT Standard addition for brighteners”. The window disp

5.3 Monitor 797 VA Computrace – Software 115 The window displays date and time of the deter-mination start and the title of the method used. Dat

5 Determination mode 797 VA Computrace – Software 116 The window displays date and time of the deter-mination start and the title of the method

5.3 Monitor 797 VA Computrace – Software 117 Calibration curve id [ 32 characters ; "sample" ] Identification for calibration curve.

1.1 Purpose of program 797 VA Computrace – Software 1 1 Introduction 1.1 Purpose of program «797 VA Computrace Software 1.3.x» is the name of the

5 Determination mode 797 VA Computrace – Software 118 ERTIES window (details see Axis properties, sec-tion 3.5). MONITORING / Curve properties The

5.4 Determination curves 797 VA Computrace – Software 119 Save the current calibration curve loaded in the working memory in a new file. Enter name

5 Determination mode 797 VA Computrace – Software 120 *.xml. This file can be imported into spreadsheet programs like Microsoft Excel (*.txt und *.

5.4 Determination curves 797 VA Computrace – Software 121 List of curves The top subwindow lists all available curves of the determination with the

5 Determination mode 797 VA Computrace – Software 122 Title [ 0...68 characters ; "Method title" ] Method title. Remark1 [ 0...68 ch

5.4 Determination curves 797 VA Computrace – Software 123 Electrode [ read only ] Display of electrode used (details see Electrodes, section 3.1

5 Determination mode 797 VA Computrace – Software 124 EDIT WORKING METHOD WINDOW. Edit addition parameters DETERMINATION CURVES / Edit / Addition

5.4 Determination curves 797 VA Computrace – Software 125 Automatic Switch on/off the automatic peak baseline evalua-tion. Begin Manual setti

5 Determination mode 797 VA Computrace – Software 126 Auto scaling DETERMINATION CURVES / Plot / Auto scale (F4) Reset zooming and scale x and y

5.4 Determination curves 797 VA Computrace – Software 127 subwindow can be set with the page tab of the GRAPHICAL PROPERTIES window (see Page prop-

1 Introduction 797 VA Computrace – Software 2 1.2 General information Hardware requirements for the PC Computer Pentium III with 1 GHz or higher O

5 Determination mode 797 VA Computrace – Software 128 following options of the context sensitive menu (click right mouse button). DETERMINATION CUR

5.5 Results 797 VA Computrace – Software 129 5.5 Results Results window overview The RESULTS window contains the current full report for the loaded

5 Determination mode 797 VA Computrace – Software 130 The RESULTS window comprises the following parts: Header Metrohm 797 VA Computrace Name of m

5.5 Results 797 VA Computrace – Software 131 Note: With the electroplating bath modes CVS and CPVS, and the Calibration technique "LAT Record

5 Determination mode 797 VA Computrace – Software 132 i.delta; P.delta; delta; Q.delta(Only with modes CVS and CPVS) Difference of two successive m

5.5 Results 797 VA Computrace – Software 133 predose volume (mL) If the Dosing Device is used for solution predose, the mes-sage Predose X.X mL is

5 Determination mode 797 VA Computrace – Software 134 5.6 Sample table The SAMPLE TABLE window shows the sample data of the loaded sample table. Wi

5.6 Sample table 797 VA Computrace – Software 135 Sample ID [ 32 characters ; "sample" ] Identification for sample. Amount [ >

5 Determination mode 797 VA Computrace – Software 136 the sample table file or No to cancel saving. SAMPLE TABLE / File / Save As ... Save the curr

5.7 Printing in determination mode 797 VA Computrace – Software 137 5.7 Printing in determination mode MAIN WINDOW / File / Print (Ctrl+P) Prin

1.3 Installation 797 VA Computrace – Software 3 Data Folder for storage of new signal (*.sig) and deter-mination files (*.dth). In Windows Vista, t

5 Determination mode 797 VA Computrace – Software 138 Working method Printout of the method parameters of the working method in the working memory

5.8 Data processing and evaluation 797 VA Computrace – Software 139 and replication). This identification can be used to select the single sweeps f

5 Determination mode 797 VA Computrace – Software 140 aid of these measured maxima and minima values, the Peak volt-age and Peak width values are d

5.8 Data processing and evaluation 797 VA Computrace – Software 141 mined by the baseline parameters set for this substance in the BASELINE window

5 Determination mode 797 VA Computrace – Software 142 Peak voltagedi/dUUDerivativePeak heightUiPeak area / CoulometricVoltammogramitPeak area / Co

5.8 Data processing and evaluation 797 VA Computrace – Software 143 c(s) = Amount / Sample amount Note: With the electroplating modes CVS and

5 Determination mode 797 VA Computrace – Software 144 mean(n) Mean value of all evaluation quantities for spiked sample n Std.dev.(n) Standard de

5.8 Data processing and evaluation 797 VA Computrace – Software 145 Rules for standard addition Standard addition is the usual calibration techniqu

5 Determination mode 797 VA Computrace – Software 146 Linear Regression: 2 ≥ 3 Nonlinear Regression: 3 ≥ 5 Linear Regression (through Zero): 1 ≥

5.8 Data processing and evaluation 797 VA Computrace – Software 147 y = a + b x+ c x2 Nonlinear curve 2nd degree = Quadratic Regression The para

1 Introduction 797 VA Computrace – Software 4 2. If required, connect the 846 Dosing Interface to one of the USB ports of the 797 VA Computrace or

5 Determination mode 797 VA Computrace – Software 148 EVSamplec(s)mean(s)c(eff) 5. Calculation of result deviation Conc.dev. The total deviation

5.8 Data processing and evaluation 797 VA Computrace – Software 149 • Determining the working range The calibration curve is defined only for the

6 Electroplating Bath VA 797 VA Computrace – Software 150 6 Electroplating Bath VA 6.1 Electroplating Bath VA – Introduction The 797 VA Computr

6.2 Calibration techniques with CVS and CPVS 797 VA Computrace – Software 151 determination. The parameters displayed depend on the selected Calibr

6 Electroplating Bath VA 797 VA Computrace – Software 152 ment). For cyclic modes (CV, CVS, CPVS) the “total number of measurements” is the No. of

6.2 Calibration techniques with CVS and CPVS 797 VA Computrace – Software 153 CVS - Cyclic Voltammetric Stripping section 3.2, and CPVS - Cyclic P

6 Electroplating Bath VA 797 VA Computrace – Software 154 Volume (mL) [ > 0.01 mL / var ; 0 mL ] Addition volume. For entering variable additi

6.2 Calibration techniques with CVS and CPVS 797 VA Computrace – Software 155 Note: A determined "Intercept value" can only be adopted au

6 Electroplating Bath VA 797 VA Computrace – Software 156 Note: If you set a small value (e.g. < 1%), it can take a long time until reaching the

6.2 Calibration techniques with CVS and CPVS 797 VA Computrace – Software 157 Cleaning time (s) [ 0...80600 s ; 0 s ] Time during which the Cle

1.3 Installation 797 VA Computrace – Software 5 9. Start the 797 VA Computrace Software 1.3.x. 10. Set hardware settings for the 863 Compact VA A

6 Electroplating Bath VA 797 VA Computrace – Software 158 Area Peak area between peak curve and calculated baseline. Derivative Difference betwee

6.2 Calibration techniques with CVS and CPVS 797 VA Computrace – Software 159 Standard addition for brighteners” following parameters have to be de

6 Electroplating Bath VA 797 VA Computrace – Software 160 on the General tab of the GENERAL SETTINGS window is checked. Initial electrode condition

6.2 Calibration techniques with CVS and CPVS 797 VA Computrace – Software 161 VA measurement modes. The parameters displayed depend on the measurem

6 Electroplating Bath VA 797 VA Computrace – Software 162 SPECIFICATIONS window. With “LAT Standard addition for brighte-ners” following parameters

6.2 Calibration techniques with CVS and CPVS 797 VA Computrace – Software 163 Contamination potential [ -5...5 ; 1.125 V ] With CVS: If it is activ

6 Electroplating Bath VA 797 VA Computrace – Software 164 Reverse sweep [ on, off ; off ] Enable peak evaluation of the reverse sweep of cyclic s

6.2 Calibration techniques with CVS and CPVS 797 VA Computrace – Software 165 saved sweeps of the last two “conditioning mea-surements”. Note: If y

6 Electroplating Bath VA 797 VA Computrace – Software 166 Start potential (V) [ -5...+5 V ; 0.2 V ] Start voltage for the cyclic conditioning s

6.2 Calibration techniques with CVS and CPVS 797 VA Computrace – Software 167 With CPVS: Step potential [ read only ; step 1: 0.2 V ] Displays the

1 Introduction 797 VA Computrace – Software 6 12. Make hardware settings for Dosing Devices. 13. Define the addition or predose solution in the D

6 Electroplating Bath VA 797 VA Computrace – Software 168 Chloride potential [ -5...5 ; 1.475 V ] With CVS: If it is activated, the current is read

6.2 Calibration techniques with CVS and CPVS 797 VA Computrace – Software 169 Note: A determined calibration curve can only be adopted auto-matical

6 Electroplating Bath VA 797 VA Computrace – Software 170 Note: If both No. of conditioning measurements [ 1...100 ; 1 ] and Auto Std.dev (%) [ >

6.2 Calibration techniques with CVS and CPVS 797 VA Computrace – Software 171 sweeps (Voltammetric tab). “Total number of mea-surements” must not e

6 Electroplating Bath VA 797 VA Computrace – Software 172 and CPVS - Cyclic Pulse Voltammetric Stripping section 3.2) Substances tab with Calibra

6.2 Calibration techniques with CVS and CPVS 797 VA Computrace – Software 173 a fixed value. This field only appears once for solu-tions with the s

6 Electroplating Bath VA 797 VA Computrace – Software 174 DT Record calibration curve “DT Record calibration curve” is used to record calibration c

6.2 Calibration techniques with CVS and CPVS 797 VA Computrace – Software 175 bration curves additionally without date and time on the General tab

6 Electroplating Bath VA 797 VA Computrace – Software 176 cations multiplied with the number of Save last .. sweeps (Voltammetric tab). “Total num

6.2 Calibration techniques with CVS and CPVS 797 VA Computrace – Software 177 and CPVS - Cyclic Pulse Voltammetric Stripping section 3.2) Substan

1.5 Overview of file types 797 VA Computrace – Software 7 PUMP CONTROL Manual control of siphoning and rins-ing pump FILM DEPOSITION Program for

6 Electroplating Bath VA 797 VA Computrace – Software 178 this case, var is entered into the field instead of a fixed value. This field only appear

6.2 Calibration techniques with CVS and CPVS 797 VA Computrace – Software 179 ons are stopped and the “Calibration factor” is calculated. Evaluat

6 Electroplating Bath VA 797 VA Computrace – Software 180 Add production bath to electrolyte [ on, off ; off ] If is activated, the Production ba

6.2 Calibration techniques with CVS and CPVS 797 VA Computrace – Software 181 Example for Response curve: C:\User XYZ\Data\Response curve.dth Ach

6 Electroplating Bath VA 797 VA Computrace – Software 182 Pretreatment (see Pretreatment with CVS and CPVS, section 6.3) Cleaning potential (V)

6.2 Calibration techniques with CVS and CPVS 797 VA Computrace – Software 183 Regression technique [ read only ] The regression technique is disp

6 Electroplating Bath VA 797 VA Computrace – Software 184 Sample identifier [ 32 characters ; "sample" ] Identification for sample. Not

6.2 Calibration techniques with CVS and CPVS 797 VA Computrace – Software 185 or Auto Std.dev (%)[ >0.1 ; 1 ] Define until which „Std.dev.“ t

6 Electroplating Bath VA 797 VA Computrace – Software 186 Start potential (V) [ -5...+5 V ; 0.2 V ] [ read only ] Start voltage for the cyclic

6.2 Calibration techniques with CVS and CPVS 797 VA Computrace – Software 187 With CPVS: Step potential [ read only ; step 1: 0.2 V ] Displays the

1 Introduction 797 VA Computrace – Software 8 sults block. In the case of determination point export, this data file contains a block of the used

6 Electroplating Bath VA 797 VA Computrace – Software 188 Peak evaluation [ Height, Area, Derivative, Coulometric ; Coulomet-ric ] Selection of p

6.3 Different settings and options with CVS and CPVS 797 VA Computrace – Software 189 • Determination parameters on the Determination tab of the E

6 Electroplating Bath VA 797 VA Computrace – Software 190 find it on the Voltammetric tab of the EDIT WORKING METHOD PARAMETERS window. Conditionin

6.3 Different settings and options with CVS and CPVS 797 VA Computrace – Software 191 Additional conditioning after sample transfer (only active wi

6 Electroplating Bath VA 797 VA Computrace – Software 192 V.dev With Calibration technique “DT Record calibration curve”: Deviation of the volume

6.4 Some Definitions used with CVS and CPVS 797 VA Computrace – Software 193 • Chloride potential • Calibration factor • Suppressor • Brightene

6 Electroplating Bath VA 797 VA Computrace – Software 194 Production bath solution The “Production bath solution” (or “Plating bath solution”) is t

6.4 Some Definitions used with CVS and CPVS 797 VA Computrace – Software 195 Contamination potential The Contamination potential correlates with th

6 Electroplating Bath VA 797 VA Computrace – Software 196 Electrolyte solution The Electrolyte solution is a mixture of VMS and these additives, wh

7.1 Computrace control 797 VA Computrace – Software 197 7 Manual control 7.1 Computrace control Computrace control selection MAIN WINDOW / Utilit

2.1 Main window overview 797 VA Computrace – Software 9 2 Main window 2.1 Main window overview Main window elements The MAIN WINDOW is the center

7 Manual control 797 VA Computrace – Software 198 Switch on/off current measurement. If switched on, the set Potential is applied to the electr

7.2 Dosing Device control 797 VA Computrace – Software 199 7.2 Dosing Device control Dosing Device control selection MAIN WINDOW / Utility / Dos

7 Manual control 797 VA Computrace – Software 200 Dosed volume (mL) Dose the set volume. Switch on dosing by Dosing Device. The solution is disp

7.4 Film deposition 797 VA Computrace – Software 201 Rinsing pump on (s) Rinse for so many seconds. Start with clicking , stop by clicking . N

7 Manual control 797 VA Computrace – Software 202 Plating solution [ 48 characters ; ] Name of electrolyte solution used for film deposition. S

7.5 Cleaning procedure 797 VA Computrace – Software 203 Sweep Parameters of DP sweep used at the end of the film deposi-tion for checking the elect

7 Manual control 797 VA Computrace – Software 204 Purge time (s) [ 0...80600 s ; 300 s ] Time of inert gas purging before the first measurement o

8.1 Installation and program start 797 VA Computrace – Software 205 8 How to ...? 8.1 Installation and program start Install Dosing Devices for a

8 How to ...? 797 VA Computrace – Software 206 Note: If you switch off the instruments, switch off the 731 Relay Box first. 8.2 User rights Define

8.3 Signals in exploratory mode 797 VA Computrace – Software 207 Save a signal curve 1. Select the desired signal curve in the list of the EXPLOR

2 Main window 797 VA Computrace – Software 10 Main window icons It depends on the selected mode (exploratory or determination) whether the followin

8 How to ...? 797 VA Computrace – Software 208 11. Start the measurement by clicking the icon or the button (see Performing exploratory meas

8.4 Methods in determination mode 797 VA Computrace – Software 209 7. Click the button. The calculated baselines and peak maximum positions ar

8 How to ...? 797 VA Computrace – Software 210 Copy parameters from determination methods 1. Click on or MAIN WINDOW / Mode / Determination. 2

8.5 Determinations with voltammetric trace analysis 797 VA Computrace – Software 211 6. If Dosing Devices should be used for addition or predose,

8 How to ...? 797 VA Computrace – Software 212 3. Select the desired determination file *.dth in the OPEN window and click <OK>. The determi

8.5 Determinations with voltammetric trace analysis 797 VA Computrace – Software 213 8. Follow the instructions in the appearing message windows.

8 How to ...? 797 VA Computrace – Software 214 15. Click the <OK> button. The determination is saved automati-cally if specified on the Gener

8.5 Determinations with voltammetric trace analysis 797 VA Computrace – Software 215 15. Follow the instructions in the appearing message windows.

8 How to ...? 797 VA Computrace – Software 216 838 Advanced Sample Processor. You can use 50 mL sample vessels (on the two outer rings) or 11 mL sa

8.5 Determinations with voltammetric trace analysis 797 VA Computrace – Software 217 7 MOVE 1 : +28 > Move needle to rinsing posi-tion 8 LI

2.2 Starting/closing the program 797 VA Computrace – Software 11 Continue measurement. Go to next step in operation sequence. Help. 2.2 Start

8 How to ...? 797 VA Computrace – Software 218 13. If you want to save the modified determination under the same name, click on or MAIN WINDOW /

8.6 Analyze Electroplating Bath Solutions 797 VA Computrace – Software 219 “DT Suppressors with calibration curve” (used to determine the Sample) &

8 How to ...? 797 VA Computrace – Software 220 3. Add Brightener standard solution several times and measure Q(addition) for each addition. Usuall

8.6 Analyze Electroplating Bath Solutions 797 VA Computrace – Software 221 3. Define the No. of additions on the Determination tab of the EDIT WORK

8 How to ...? 797 VA Computrace – Software 222 Typical standard addition scheme for "DT Suppressors with calibration curve": 1. Choose a

8.6 Analyze Electroplating Bath Solutions 797 VA Computrace – Software 223 4. Place the Production bath solution into the sample vessel and measure

8 How to ...? 797 VA Computrace – Software 224 The “Addition mixing time” can be defined on the Deter-mination tab of the EDIT WORKING METHOD PARAM

8.6 Analyze Electroplating Bath Solutions 797 VA Computrace – Software 225 LAT parameters method LAT number of samples rack > Number of sampl

8 How to ...? 797 VA Computrace – Software 226 SampleRinsing solutionnot used123282729303156555758598483858687112111 ⇒ With 11 mL sample vessels:

8.6 Analyze Electroplating Bath Solutions 797 VA Computrace – Software 227 General Settings in the 797 Software Settings on the Dosinos tab of the

2 Main window 797 VA Computrace – Software 12 2.3 File menu Method files Method files (*.mth) contain all the specifications and parameters for ru

8 How to ...? 797 VA Computrace – Software 228 Dosino 2 is used to add Brightener standard solution. That should also be indicated on the Substance

8.6 Analyze Electroplating Bath Solutions 797 VA Computrace – Software 229 Instruments Install the 838 Advanced Sample Processor, a 800 Dosino, a 7

8 How to ...? 797 VA Computrace – Software 230 50 mL sample vessels can be placed on the two outer rings (11 mL sample vessels on the two inner rin

8.6 Analyze Electroplating Bath Solutions 797 VA Computrace – Software 231 It is recommended to do one "Prep cycle". On the Automation t

8 How to ...? 797 VA Computrace – Software 232 After the addition of the sample, Brightener standard solution is added via Dosino 2. That should b

8.6 Analyze Electroplating Bath Solutions 797 VA Computrace – Software 233 Note: To make sure that always the latest intercept file is taken for t

8 How to ...? 797 VA Computrace – Software 234 Suppressor Analysis with 838 Advanced Sample Processor and DT Following installations and settings a

8.6 Analyze Electroplating Bath Solutions 797 VA Computrace – Software 235 >final sequence 1 SCN:Rm: *****1** > Scan line for incoming s

8 How to ...? 797 VA Computrace – Software 236 Activate both options on the General tab of the GENERAL SET-TINGS window, so that a recorded calibra

8.6 Analyze Electroplating Bath Solutions 797 VA Computrace – Software 237 Checking Use for predose for Dosino 1, VMS is added to the measuring ves

2.3 File menu 797 VA Computrace – Software 13 memory into a data file (extension *.txt). This data file contains a block of the used method parame-

8 How to ...? 797 VA Computrace – Software 238 The determination tab of the window for CVS: Note: To make sure that always the latest calibration

8.6 Analyze Electroplating Bath Solutions 797 VA Computrace – Software 239 Note: To make sure that always the latest calibration file is ta-ken for

8 How to ...? 797 VA Computrace – Software 240 (Dosino 2: not used) Dosino 3: 2 mL Exchange Unit Sample / Suppressor standard solution Method

8.6 Analyze Electroplating Bath Solutions 797 VA Computrace – Software 241 Example for a sample rack with 12 samples: Rinsing solutionnot usedSampl

8 How to ...? 797 VA Computrace – Software 242 Es wird für beide Dosino ein "Prep-Zyklus" empfohlen. On the Automation tab, select the 8

8.6 Analyze Electroplating Bath Solutions 797 VA Computrace – Software 243 Determination of the sample: Choose "RC Sample with response curve

8 How to ...? 797 VA Computrace – Software 244 Note: To make sure that always the latest "response curve file" is taken for the calculat

8.7 Standard addition technique 797 VA Computrace – Software 245 Start determination. 8.7 Standard addition technique Use manual standard additio

8 How to ...? 797 VA Computrace – Software 246 gle or mixed standard addition solution, its concentration and its volume is defined. 10. If the st

8.7 Standard addition technique 797 VA Computrace – Software 247 8. Select the Determination tab (see section 5.2) and enter Sample identifier, Sam

2 Main window 797 VA Computrace – Software 14 Export previously saved determination data to the database. Procedure after starting Export To Da

8 How to ...? 797 VA Computrace – Software 248 8. Check the Dosing Devices, which are used for standard addi-tion in the Use field (see Dosing Dev

8.8 Calibration curve technique 797 VA Computrace – Software 249 2. Click on or MAIN WINDOW / Window / Working method specification to open th

8 How to ...? 797 VA Computrace – Software 250 1. Click on or MAIN WINDOW / Mode / Determination. 2. Click on or MAIN WINDOW / Window / W

8.8 Calibration curve technique 797 VA Computrace – Software 251 tion to the measuring solution using 700/800 Dosinos or 685/800 Dosimats. Proceed

8 How to ...? 797 VA Computrace – Software 252 Measure a sample using a calibration curve For the determination of a sample using a previously reco

8.10 Diagnostic procedures 797 VA Computrace – Software 253 c(Hg(II)) = 1 g/L to the empty measuring vessel at the 797 VA Computrace stand. 3. Clic

8 How to ...? 797 VA Computrace – Software 254 Check the stirring 1. Click on or MAIN WINDOW / Utility / Computrace control to open the COMPUT

8.10 Diagnostic procedures 797 VA Computrace – Software 255 4. Select the method file Test797_L.mth in the OPEN window and click <OK>. The m

8 How to ...? 797 VA Computrace – Software 256 8. Enter the Sample ID (used as part of the determination file name) in the PLACE SAMPLE window and

9.1 General procedure for error messages 797 VA Computrace – Software 257 9 Troubleshooting 9.1 General procedure for error messages Error message

2.4 Mode menu 797 VA Computrace – Software 15 MAIN WINDOW / File / Save signal as ... Save the current signal loaded in the working memory in a n

9 Troubleshooting 797 VA Computrace – Software 258 Error message "Please select a new database file" If you work with the new program ver

9.5 General rules for VA trace analysis 797 VA Computrace – Software 259 4. Check the Dose rate parameter on the Dosinos tab. The default dosing ra

9 Troubleshooting 797 VA Computrace – Software 260 Samples 1. The amount of sample depends on the concentration of the element to be determined.

9.5 General rules for VA trace analysis 797 VA Computrace – Software 261 1. DP (Differential Pulse) should always be the first choice. It is the m

9 Troubleshooting 797 VA Computrace – Software 262 11. CPVS (Cyclic Pulse Voltammetric Stripping) is mainly used for the determination of organic a

9.6 Voltammetric problems 797 VA Computrace – Software 263 3. Exchange the RDE. 4. Has the electrode been conditioned (e.g. by using Conditioning

9 Troubleshooting 797 VA Computrace – Software 264 Example: (For all measurements: Amplitude: 0.02 V , Frequency: 50 Hz) Highest current range: 10

9.6 Voltammetric problems 797 VA Computrace – Software 265 2. Check and test the pipetting process: Pipetting the standard so-lutions must be carr

9 Troubleshooting 797 VA Computrace – Software 266 5. Are organic components present? Carry out a UV digestion or other suitable sample preparatio

9.6 Voltammetric problems 797 VA Computrace – Software 267 3. If a second element is present at the same potential: add this element to the sample

2 Main window 797 VA Computrace – Software 16 ding and displaying of determinations (see section 5). 2.5 Utility menu Computrace control selection

9 Troubleshooting 797 VA Computrace – Software 268 2. If organic components are present: carry out a UV digestion or other suitable sample prepara

9.6 Voltammetric problems 797 VA Computrace – Software 269 After Purging (oxygen removed from solution): Unsuitable bridging electrolyte in the re

9 Troubleshooting 797 VA Computrace – Software 270 deposition even with concentrations ρ > 100 μg/L (e.g. DP voltam-metry at the HMDE or also at

9.6 Voltammetric problems 797 VA Computrace – Software 271 Analysis solution: 100 μg/L Hg Supporting electrolyte: HClO4/HCl Standard additio

9 Troubleshooting 797 VA Computrace – Software 272 Analysis solution: deionised water Standard addition: with 50 ng Zn Electrode: HMDE (en

9.6 Voltammetric problems 797 VA Computrace – Software 273 Analysis solution: 25 μg/L Cu; 10 μL HCl 30% Standard addition: with 250 ng Cu El

9 Troubleshooting 797 VA Computrace – Software 274 If the overlapping is too large, the peak can no longer be evalua-ted. In this case chemical or

9.6 Voltammetric problems 797 VA Computrace – Software 275 To get reproducible results, the following points have to be consid-ered: • Avoid stron

Software license 797 VA Computrace – Software 276 Software license The use of the Software is subject to this License Agreement be-tween you and Met

Software license 797 VA Computrace – Software 277 6. This Agreement applies until it is terminated. You can ter-minate this Agreement by destroying

2.6 User menu 797 VA Computrace – Software 17 Enter the desired Name and Password to login as a new user and click OK. Note: In case that t

Declaration of conformity – Software validation 797 VA Computrace – Software 278 Declaration of conformity – Soft-ware validation The software "

Index 797 VA Computrace – Software 279 Index 8 838 Advanced Sample Processor method for trace analysis ... 216 Operating sequence for Bright

Index 797 VA Computrace – Software 280 Mode selection...16 Monitor ...110 Perform deter

Index 797 VA Computrace – Software 281 L Label style ... 66 LAT Determination tab... 158 Sub

Index 797 VA Computrace – Software 282 Reverse sweep...79, 97 Rotating disk electrode ...39 S Sample Gene

Index 797 VA Computrace – Software 283

Metrohm AGCH-9101 HerisauSwitzerlandPhone +41 71 353 85 85Fax +41 71 353 89 [email protected] VA ComputraceSoftware Version 1.3.xMa

2 Main window 797 VA Computrace – Software 18 User List of all users. The user rights are displayed for the selected and highlighted user. The f

2.6 User menu 797 VA Computrace – Software 19 User rights The different user rights options can be changed for the selected user: none No acce

2 Main window 797 VA Computrace – Software 20 Use default locations Set default directories for Data folder and Method folder. Data folder User

2.7 Settings menu 797 VA Computrace – Software 21 Auto save options Auto save determination and signal If this option is enabled, every signal

2 Main window 797 VA Computrace – Software 22 Basic settings for the csv export. Record delimiter Selection of the characters which will separate

2.7 Settings menu 797 VA Computrace – Software 23 Dosing settings MAIN WINDOW / Settings / General Settings On the Dosinos tab of the GENERAL SETTI

2 Main window 797 VA Computrace – Software 24 Dosino Device MSB 4 846 Dosing Interface MSB1 5 846 Dosing Interface MSB2 6 846 Dosing Interfac

2.7 Settings menu 797 VA Computrace – Software 25 waste container). Using Port 3 you can reduce contamination of the measuring cell and the elec-tr

2 Main window 797 VA Computrace – Software 26 With 843: With 838:

2.7 Settings menu 797 VA Computrace – Software 27 Sample handling Define the default settings of a connected used automation unit. Sample pro

TeachwareMetrohm AGCH-9101 [email protected] documentation is protected by copyright. All rights reserved.Although all the information

2 Main window 797 VA Computrace – Software 28 of the program at the 838 Advanced Sample Proc-essor. Rinsing Define the default settings of a poss

2.7 Settings menu 797 VA Computrace – Software 29 Note: Before starting the test, switch on either 863 Compact VA Autosampler(set Method 2) or the

2 Main window 797 VA Computrace – Software 30 Define, how long before the expiring date a war-ning message is displayed. Action, if validation

2.7 Settings menu 797 VA Computrace – Software 31 Note: Occasional electrode tests should be done with in the COMPUTRACE CONTROL window and not w

2 Main window 797 VA Computrace – Software 32 3. After testing, the results are shown In the Dummy Cell Test_L page of the GLP WIZARD window. 4.

2.7 Settings menu 797 VA Computrace – Software 33 Note: The working method parameters cannot be changed during the GLP validation. Optimization of

2 Main window 797 VA Computrace – Software 34 Save settings MAIN WINDOW / Settings / Save now This function saves the actual settings of the soft-

2.8 Window menu 797 VA Computrace – Software 35 tion 4.2) (F11 only works, if the Main Window is selected). MAIN WINDOW / Window / Exploratory cu

3 General settings for exploratory and determination mode 797 VA Computrace – Software 36 3 General settings for explora-tory and determination mo

3.1 Electrodes 797 VA Computrace – Software 37 Voltage step timetHg dropsurface Notes: • In the exploratory mode, the DME can be used for the meas

Table of contents 797 VA Computrace – Software I Table of contents 1 Introduction ... 1 1.1

3 General settings for exploratory and determination mode 797 VA Computrace – Software 38 Notes: • In the exploratory mode, the SMDE can be used f

3.1 Electrodes 797 VA Computrace – Software 39 RDE/SSE RDE stands for Rotating Disk Electrode and is used for direct and stripping determinations

3 General settings for exploratory and determination mode 797 VA Computrace – Software 40 3.2 VA measurement modes DP – Differential Pulse General

3.2 VA measurement modes 797 VA Computrace – Software 41 Sweep parameters: Hydrodynamic (measurement) [ on, off ; off ] Enable/disable stirring

3 General settings for exploratory and determination mode 797 VA Computrace – Software 42 SqW – Square Wave General: SqW or Square Wave voltammetry

3.2 VA measurement modes 797 VA Computrace – Software 43 Sweep parameters: Hydrodynamic (measurement) [ on, off ; off ] Enable/disable stirring

3 General settings for exploratory and determination mode 797 VA Computrace – Software 44 DC – Sampled Direct Current General: DC or Sampled Direct

3.2 VA measurement modes 797 VA Computrace – Software 45 Sweep parameters: Hydrodynamic (measurement) [ on, off ; off ] Enable/disable stirring

3 General settings for exploratory and determination mode 797 VA Computrace – Software 46 NP – Normal Pulse (for "Exploratory" only) Gene

3.2 VA measurement modes 797 VA Computrace – Software 47 Sweep parameters: Hydrodynamic (measurement) [ on, off ; off ] Enable/disable stirring

Table of contents 797 VA Computrace – Software II Film deposition selection... 16 Cleanin

3 General settings for exploratory and determination mode 797 VA Computrace – Software 48 CV – Cyclic Voltammetry General: CV or Cyclic voltammetry

3.2 VA measurement modes 797 VA Computrace – Software 49 Sweep parameters: Hydrodynamic (measurement) [ on, off ; off ] Enable/disable stirring

3 General settings for exploratory and determination mode 797 VA Computrace – Software 50 PSA – Potentiometric Stripping Analysis General: PSA or P

3.2 VA measurement modes 797 VA Computrace – Software 51 Sweep parameters: Hydrodynamic (measurement) [ on, off ; off ] Enable/disable stirring

3 General settings for exploratory and determination mode 797 VA Computrace – Software 52 UtDeposition potentialDeposition timePotential limitMaxim

3.2 VA measurement modes 797 VA Computrace – Software 53 AC – Alternating Current Voltammetry General: AC or Alternating Current voltammetry is pri

3 General settings for exploratory and determination mode 797 VA Computrace – Software 54 Sweep parameters: Hydrodynamic (measurement) [ on, off

3.2 VA measurement modes 797 VA Computrace – Software 55 Voltage step time > Modulation time + 450 ms (HMDE/RDE) Voltage step time > Modulati

3 General settings for exploratory and determination mode 797 VA Computrace – Software 56 Sweep parameters: Hydrodynamic (measurement) [ on, off

3.2 VA measurement modes 797 VA Computrace – Software 57 CPVS - Cyclic Pulse Voltammetric Stripping General: CPVS or Cyclic Pulse Voltammetric Stri

Table of contents 797 VA Computrace – Software III Axis properties... 65 C

3 General settings for exploratory and determination mode 797 VA Computrace – Software 58 Sweep parameters: Hydrodynamic (measurement) [ on, off

3.3 Potentiostat 797 VA Computrace – Software 59 Notes: • The CPVS measurement mode can only be used with RDE elec-trodes. • The measurement time

3 General settings for exploratory and determination mode 797 VA Computrace – Software 60 * CV and CVS: Voltage step time = Voltage step / Sweep

3.4 General operation sequence 797 VA Computrace – Software 61 urement) is not checked, the stirrer is switched off during that time (details see

3 General settings for exploratory and determination mode 797 VA Computrace – Software 62 Time of inert gas purging before the first measurement of

3.4 General operation sequence 797 VA Computrace – Software 63 Cleaning potential (V) [ -5...+5 V ; -0.1 V ] Voltage applied to the electrodes du

3 General settings for exploratory and determination mode 797 VA Computrace – Software 64 3.5 Graphical settings Curve window elements All curve wi

3.5 Graphical settings 797 VA Computrace – Software 65 Borders Top [ ≥ 0 pt ; 40 pt (for determination curves)] Left [ ≥ 0 pt ; 60 pt (f

3 General settings for exploratory and determination mode 797 VA Computrace – Software 66 Range (for x axis) From [ -5...+5 ; -1 V ] Lowe

3.5 Graphical settings 797 VA Computrace – Software 67 Format Format for labels of the x or y axis. Check one of the following options: Decimal

Table of contents 797 VA Computrace – Software IV Export... 105

3 General settings for exploratory and determination mode 797 VA Computrace – Software 68 Type Line Connect the measurement points by a straigh

3.5 Graphical settings 797 VA Computrace – Software 69 Color of the line.

4 Exploratory mode 797 VA Computrace – Software 70 4 Exploratory mode 4.1 Exploratory mode overview Exploratory mode features The program part &qu

4.2 Exploratory specification window 797 VA Computrace – Software 71 4.2 Exploratory specification window Exploratory specification settings The E

4 Exploratory mode 797 VA Computrace – Software 72 Drop size see Electrodes, section 3.1 Stirrer see Stirring, section 3.4 see Potentiostat, sec

4.2 Exploratory specification window 797 VA Computrace – Software 73 EXPLORATORY SPECIFICATION / File / Export voltammetric parameters ... Save t

4 Exploratory mode 797 VA Computrace – Software 74 For the running voltage sweep there is a live dis-play in the EXPLORATORY CURVES window with

4.3 Exploratory curves 797 VA Computrace – Software 75 If a signal file is loaded or measured, the axes have the following orientation: x axis

4 Exploratory mode 797 VA Computrace – Software 76 Zooming Curve regions in the EXPLORATORY CURVES window can be enlar-ged by zooming the desired a

4.3 Exploratory curves 797 VA Computrace – Software 77 Note: The line properties for axis or signal curve lines can be set with in the LINE PROPERT

Table of contents 797 VA Computrace – Software V Data acquisition... 138 Backg

4 Exploratory mode 797 VA Computrace – Software 78 Move cursor to the next or to the preceding measurement point on the selected signal. Peak s

4.3 Exploratory curves 797 VA Computrace – Software 79 Options General parameters for peak evaluation. Manual Manual peak evaluation. The bas

4 Exploratory mode 797 VA Computrace – Software 80 Baseline Parameters for baseline evaluation. Begin (V) (for CPVS: s) [ Start potential...End

4.3 Exploratory curves 797 VA Computrace – Software 81 Table of results Display of peak evaluation results. No. Number of evaluation result. T

4 Exploratory mode 797 VA Computrace – Software 82 Charge (C) Calculated charge transmitted during this peak (is depending from sweep rate and cu

4.3 Exploratory curves 797 VA Computrace – Software 83 Wave evaluation Automatic wave evaluation of recorded DC or NP signal curves. The results (p

4 Exploratory mode 797 VA Computrace – Software 84 calculated positions of the half-wave potentials and tangents are displayed in the EXPLORATORY C

4.4 Printing in exploratory mode 797 VA Computrace – Software 85 With Print curves enabled, the content of the EX-PLORATORY CURVES window is pri

5 Determination mode 797 VA Computrace – Software 86 5 Determination mode 5.1 Determination mode overview Determination mode features The program

5.2 Working method specifications 797 VA Computrace – Software 87 already open) closed. It serves to start a determi-nation using the working metho