Metrohm 906 Titrando - Manual (Page 6)

Table of contents
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IV ￭￭￭￭￭￭￭￭
906 Titrando
3.6.3 Connecting a polarizable electrode ........................................ 29
3.6.4 Connecting a temperature sensor or an electrode with inte-
grated temperature sensor .................................................... 30
3.6.5 Connecting an iConnect ........................................................ 30
3.6.6 Differential potentiometry ...................................................... 31
4 Karl Fischer titration 33
4.1 Volumetric titration ............................................................ 33
4.1.1 Principle of the volumetric Karl Fischer titration ...................... 33
4.1.2 Endpoint determination ......................................................... 33
4.1.3 Karl Fischer reagents .............................................................. 34
4.1.4 Application of the Karl Fischer titration .................................. 34
4.1.5 Working with water standards ............................................... 34
4.1.6 Sample addition .................................................................... 36
4.1.7 Optimum working conditions ................................................ 38
5 Working with the exchange unit 40
6 Operation and maintenance 42
6.1 General notes ...................................................................... 42
6.1.1 Care ...................................................................................... 42
6.1.2 Maintenance by Metrohm Service .......................................... 42
6.2 Quality management and qualification with Metrohm . . 43
7 Troubleshooting 44
7.1 General ................................................................................ 44
7.2 Karl Fischer titration .......................................................... 45
7.2.1 ............................................................................................. 45
7.3 SET titration ........................................................................ 47
7.3.1 ............................................................................................. 47
8 Appendix 48
8.1 Remote interface ................................................................ 48
8.1.1 Pin assignment of the remote interface .................................. 48
9 Technical specifications 52
9.1 Measuring interface ........................................................... 52
9.1.1 Potentiometry ........................................................................ 52
9.1.2 Temperature .......................................................................... 52
9.1.3 Polarizer ................................................................................ 53
9.2 Internal dosing device ........................................................ 54
9.3 Power connection ............................................................... 54
9.4 Safety specifications ........................................................... 54
9.5 Electromagnetic compatibility (EMC) ................................ 54
9.6 Ambient temperature ......................................................... 55