Metrohm 940 Professional IC Vario ONE/ChS/HPG - Manual (Page 6)

Table of contents
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IV ￭￭￭￭￭￭￭￭
940 Professional IC Vario ONE/ChS/HPG (2.940.1240)
3.13.2 Connecting the suppressor .................................................... 33
3.14 Installing the detector ........................................................ 38
3.15 Connecting the sample degasser (optional) ..................... 39
3.16 Installing the high-pressure gradient module .................. 41
3.17 Connecting the instrument to a computer ....................... 41
3.18 Connecting the instrument to the power supply ............. 42
3.19 Initial start-up ..................................................................... 43
3.20 Connecting and rinsing the guard column ....................... 46
3.21 Connecting the separation column ................................... 48
3.22 Conditioning ........................................................................ 51
4 Operation 53
5 Operation and maintenance 54
5.1 IC system ............................................................................. 54
5.1.1 Operation .............................................................................. 54
5.1.2 Care ...................................................................................... 54
5.1.3 Maintenance by Metrohm Service .......................................... 54
5.1.4 Shutting down and starting back up ...................................... 55
5.2 Capillary connections ......................................................... 56
5.3 Servicing the door .............................................................. 56
5.4 Column thermostat – Replacing the capillaries ............... 56
5.5 Handling the eluent ............................................................ 58
5.5.1 Manufacturing eluent ............................................................ 58
5.5.2 Changing the eluent .............................................................. 59
5.6 Servicing the eluent degasser ........................................... 59
5.7 Notes on operating the high-pressure pump ................... 60
5.8 Servicing the high-pressure pump .................................... 61
5.9 Servicing the inline filter .................................................... 74
5.10 Servicing the pulsation absorber ...................................... 77
5.11 Injection valve ..................................................................... 77
5.12 Suppressor .......................................................................... 77
5.12.1
Notes for operating the suppressor ........................................ 77
5.12.2 Taking care of the suppressor housing ................................... 78
5.12.3 Servicing the suppressor ........................................................ 78
5.13 Servicing the detector ........................................................ 85
5.14 Rinsing the sample path .................................................... 85
5.15 Separation column ............................................................. 86
5.15.1
Separating efficiency .............................................................. 86