Metrohm 797 VA Computrace Manual de usuario descargar pdf (Pagina 205)

6.4 Some Definitions used with CVS and CPVS

797 VA Computrace – Software

193

• Chloride potential

• Calibration factor

• Suppressor

• Brightener

• Electrolyte solution

VMS (Virgin Make-up Solution)

The VMS (Virgin Make-up Solution) is an electroplating bath solu-

tion like the one, which is analyzed. But it contains no organic ad-

ditives and it is made from reagent grade chemicals.

Note: The VMS solution should always be adjusted to the bath so-

lution as exactly as possible.

It is used in the Electroplating Bath analysis with the modes CVS

and CPVS and the Calibration techniques “Standard addition plat-

ing bath”, “DT Record calibration curve” and “DT Suppressors with

calibration curve”.

Note: If you dilute Brightener- or Suppressor standard solution: Al-

ways take VMS solution, never water!

Intercept solution

The “Intercept solution” is VMS(Virgin Make-up Solution) + Sup-

pressor. It is used in the Electroplating Bath analysis with the mo-

des CVS and CPVS and the

Calibration techniques “MLAT Standard

addition for brighteners” and “LAT Record intercept value”.

Note: The "Intercept solution" should always be adjusted to the

bath solution as exactly as possible.

Intercept value

The “Intercept value” is the charge generated by the “Intercept so-

lution” during the stripping process in the Electroplating Bath

analysis with the modes CVS and CPVS. It is used with the Calibra-

tion

technique “LAT Standard addition for brighteners” and should

be redetermined regularly. It can be recorded with the

Calibration

technique "LAT Record intercept value".

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Metrohm 797 VA Computrace Manual de usuario Pagina 205