Metrohm 796 Titroprocessor - Manual (Page 4)

Table of content Table of content
796 Titroprocessor, Instructions for use
6 Sample data and sample silo 92
6.1 Sample data entry __________________________________ 92
6.1.1 Direct data transfer from balances ............................................ 92
6.1.2 Bar-code reader ........................................................................ 93
6.2 Sample silo _________________________________________ 93
6.2.1 Sample silo configuration.......................................................... 96
6.2.2 Automatic data input and output ............................................... 97
7 Titration and measuring modes 99
7.1 General _____________________________________________ 99
7.2 DET Dynamic equivalence point titration ________ 101
7.2.1 Measuring mode ..................................................................... 101
7.2.2 Reagent addition and measurement acceptance .................. 101
7.2.3 Automatic equivalence point recognition................................ 102
7.2.4 Fixed endpoints....................................................................... 102
7.2.5 Evaluation of pK and HNP values ............................................ 102
7.3 MET Monotonic equivalence point titration ______ 104
7.3.1 Measuring mode ..................................................................... 104
7.3.2 Reagent addition and measurement acceptance .................. 104
7.3.3 Automatic equivalence point recognition................................ 105
7.3.4 Fixed endpoints....................................................................... 105
7.3.5 Evaluation of pK and HNP values ............................................ 106
7.4 SET Titration to a preset endpoint _______________ 107
7.4.1 Measuring mode ..................................................................... 107
7.4.2 Reagent addition..................................................................... 107
7.4.3 Measuring point list ................................................................. 108
7.4.4 Switch-off criteria at the endpoint............................................ 108
7.5 SEC Endpoint conditioning ________________________ 109
7.5.1 Control of the conditioning mode............................................ 109
7.6 KFT Karl Fischer titrations _______________________ 111
7.6.1 Measuring mode ..................................................................... 111
7.6.2 Reagent addition..................................................................... 112
7.6.3 Measuring point list ................................................................. 112
7.6.4 Switch-off criteria at the endpoint............................................ 112
7.7 KFC Karl Fischer conditioning _____________________ 114
7.7.1 Control of the conditioning mode............................................ 114
7.8 MEAS Extended measuring functions ____________ 115
7.8.1 Measuring modes ................................................................... 115
7.8.2 Standard measurement........................................................... 115
7.8.3 Multiple measurement............................................................. 116
7.9 CAL Calibration of pH sensors ___________________ 117
7.10
7.10 Calculations / Formulas __________________________ 119
7.10.1 System variables ................................................................... 121
7.10.2 Mathematical functions ......................................................... 122
7.11 Reports ___________________________________________ 124