Metrohm 797 VA Computrace - Manual (Page 11)

Table of contents
797 VA Computrace – Software
VII
Print determination results and curves ....................................... 218
8.6 Analyze Electroplating Bath Solutions................................ 218
Introduction............................................................................... 218
Choose the mode in Electroplating Bath VA............................... 219
Choose the Calibration technique in Electroplating Bath VA ...... 219
Operate a sequence in Electroplating Bath VA ........................... 223
Brightener Analysis with 838 Advanced Sample Processor and
"MLAT"...................................................................................... 224
Brightener Analysis with 838 Advanced Sample Processor and
"LAT"......................................................................................... 228
Suppressor Analysis with 838 Advanced Sample Processor and DT234
Suppressor Analysis with 838 Advanced Sample Processor and RC239
8.7 Standard addition technique .............................................. 245
Use manual standard addition without solution exchange ......... 245
Use manual standard addition with solution exchange .............. 246
Use automatic standard addition ............................................... 247
8.8 Calibration curve technique ................................................ 248
Record calibration curve manually by adding standard solution . 248
Record calibration curve manually with solution exchange ........ 249
Record calibration curve automatically....................................... 250
Measure a sample using a calibration curve ............................... 252
8.9 Work with film electrodes .................................................. 252
Deposit a mercury film............................................................... 252
Remove a mercury film .............................................................. 253
8.10 Diagnostic procedures ........................................................ 253
Check the purging ..................................................................... 253
Check the stirring....................................................................... 254
Check the MME ......................................................................... 254
Check theRDE ............................................................................ 254
Perform a linearity test with the dummy cell .............................. 254
Perform a peak test with the dummy cell................................... 255
Perform a GLP Validation........................................................... 256
9 Troubleshooting............................................... 257
9.1 General procedure for error messages................................ 257
9.2 Connection problems .......................................................... 257
Error message "Could not start the embedded system" ............. 257
9.3 Software problems ............................................................. 257
Error message "Name or password incorrect"............................ 257
Error message "The file 'ecousb.sys' is needed" ......................... 257
Wrong language in Help............................................................ 257
Error message "Please select a new database file" ..................... 258
9.4 Dosing Device problems...................................................... 258
Dosing Device does not work .................................................... 258
Irreproducible standard additions with a Dosing Device............. 258
9.5 General rules for VA trace analysis ..................................... 259
Chemicals and equipment.......................................................... 259