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

Table of contents
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IV ￭￭￭￭￭￭￭￭
940 Professional IC Vario ONE/ChS/LPG (2.940.1250)
3.13.2 Connecting the suppressor .................................................... 33
3.14 Installing the detector ........................................................ 38
3.15 Connecting the sample degasser (optional) ..................... 39
3.16 Low-pressure gradient ....................................................... 41
3.17 Installing the low-pressure gradient ................................. 43
3.18 Connecting the instrument to a computer ....................... 44
3.19 Connecting the instrument to the power supply ............. 45
3.20 Initial start-up ..................................................................... 46
3.21 Connecting and rinsing the guard column ....................... 49
3.22 Connecting the separation column ................................... 51
3.23 Conditioning ........................................................................ 54
4 Operation 56
5 Operation and maintenance 57
5.1 IC system ............................................................................. 57
5.1.1 Operation .............................................................................. 57
5.1.2 Care ...................................................................................... 57
5.1.3 Maintenance by Metrohm Service .......................................... 57
5.1.4 Shutting down and starting back up ...................................... 58
5.2 Capillary connections ......................................................... 59
5.3 Servicing the door .............................................................. 59
5.4 Column thermostat – Replacing the capillaries ............... 59
5.5 Handling the eluent ............................................................ 61
5.5.1 Manufacturing eluent ............................................................ 61
5.5.2 Changing the eluent .............................................................. 62
5.6 Servicing the eluent degasser ........................................... 62
5.7 Notes on operating the high-pressure pump ................... 63
5.8 Servicing the high-pressure pump .................................... 64
5.9 Servicing the inline filter .................................................... 77
5.10 Servicing the pulsation absorber ...................................... 80
5.11 Injection valve ..................................................................... 80
5.12 Suppressor .......................................................................... 80
5.12.1
Notes for operating the suppressor ........................................ 80
5.12.2 Taking care of the suppressor housing ................................... 81
5.12.3 Servicing the suppressor ........................................................ 81
5.13 Servicing the detector ........................................................ 88
5.14 Rinsing the sample path .................................................... 88