Metrohm 907 Titrando - Manual (Page 6)

Table of contents
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IV ￭￭￭￭￭￭￭￭
907 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 Operation and maintenance 40
5.1 General notes ...................................................................... 40
5.1.1 Care ...................................................................................... 40
5.1.2 Maintenance by Metrohm Service .......................................... 40
5.2 Quality management and qualification with Metrohm . . 41
6 Troubleshooting 42
6.1 General ................................................................................ 42
6.2 Karl Fischer titration .......................................................... 42
6.2.1 ............................................................................................. 42
6.3 SET titration ........................................................................ 44
6.3.1 ............................................................................................. 44
7 Appendix 45
7.1 Remote interface ................................................................ 45
7.1.1 Pin assignment of the remote interface .................................. 45
8 Technical specifications 49
8.1 Measuring interface ........................................................... 49
8.1.1 Potentiometry ........................................................................ 49
8.1.2 Temperature .......................................................................... 49
8.1.3 Polarizer ................................................................................ 50
8.2 Power connection ............................................................... 51
8.3 Safety specifications ........................................................... 51
8.4 Electromagnetic compatibility (EMC) ................................ 51
8.5 Ambient temperature ......................................................... 52
8.6 Reference conditions .......................................................... 52
8.7 Dimensions .......................................................................... 52