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Electroplating bath va, Manual control – Metrohm 797 VA Computrace User Manual

Page 9

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Table of contents

797 VA Computrace – Software

V

Data acquisition......................................................................... 138
Background compensation ........................................................ 139
Smoothing and differentiation ................................................... 139
Peak recognition........................................................................ 139
Baseline calculation.................................................................... 140
Evaluation quantity calculation .................................................. 141
Content calculation.................................................................... 142
Dilution calculation .................................................................... 143
Standard addition calculation .................................................... 143
Rules for standard addition........................................................ 145
Calibration curve calculation ...................................................... 145
Rules for calibration curves ........................................................ 148
Formula calculation.................................................................... 149

6

Electroplating Bath VA .................................... 150

6.1 Electroplating Bath VA – Introduction ................................ 150
6.2 Calibration techniques with CVS and CPVS......................... 150

Standard addition plating bath .................................................. 150
LAT Record intercept value ........................................................ 154
LAT Standard addition for brighteners ....................................... 158
MLAT Standard addition for brighteners .................................... 164
DT Suppressors with calibration curve........................................ 168
DT Record calibration curve ....................................................... 174
RC Sample with response curve ................................................. 179
RC Record response curve.......................................................... 183

6.3 Different settings and options with CVS and CPVS ............ 188

Pretreatment with CVS and CPVS .............................................. 189
Initial mixing time with CVS and CPVS ....................................... 189
Conditioning cycles with CVS and CPVS..................................... 190
Initial electrode conditioning ..................................................... 190
Result details with CVS and CPVS .............................................. 191

6.4 Some Definitions used with CVS and CPVS......................... 192

VMS (Virgin Make-up Solution).................................................. 193
Intercept solution....................................................................... 193
Intercept value........................................................................... 193
Production bath solution ........................................................... 194
Addition ratio ............................................................................ 194
Evaluation ratio.......................................................................... 194
Begin of evaluation.................................................................... 194
Contamination potential ............................................................ 195
Chloride potential ...................................................................... 195
Calibration factor Z .................................................................... 195
Suppressor................................................................................. 195
Brightener.................................................................................. 195
Electrolyte solution .................................................................... 196

7

Manual control................................................. 197

7.1 Computrace control ............................................................ 197

Computrace control selection .................................................... 197