Metrohm 850 Professional IC Cation - LP-Gradient - Manual (Page 6)

Table of contents
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IV ￭￭￭￭￭￭￭￭
850 Professional IC Cation – LP Gradient
3.11.2 Connecting low pressure gradient ......................................... 39
3.11.3 Deaerating the high pressure pump ....................................... 40
3.12 Inline filter ........................................................................... 42
3.13 Pulsation damper ............................................................... 43
3.14 Sample degasser ................................................................. 44
3.15 Injection valve ..................................................................... 46
3.15.1
Connecting the injection valve ............................................... 46
3.15.2 Mode of operation of the injection valve ............................... 47
3.15.3 Selecting the sample loop ...................................................... 48
3.16 Column thermostat ............................................................ 48
3.17 Connecting the instrument ................................................ 51
3.17.1
Connecting the instrument to the PC ..................................... 51
3.17.2 Connecting the instrument to mains supply ........................... 51
3.18 Guard column ..................................................................... 52
3.19 Separation column ............................................................. 53
4 Start-up 55
4.1 Initial start-up ..................................................................... 55
4.2 Conditioning ........................................................................ 56
5 Operation and maintenance 58
5.1 General information ........................................................... 58
5.1.1 Care ...................................................................................... 58
5.1.2 Maintenance by Metrohm Service .......................................... 58
5.1.3 Operation .............................................................................. 59
5.1.4 Shutting down ...................................................................... 59
5.2 Capillary connections ......................................................... 59
5.2.1 Operation .............................................................................. 59
5.3 Door ..................................................................................... 59
5.4 Eluent ................................................................................... 60
5.4.1 Production ............................................................................. 60
5.4.2 Operation .............................................................................. 60
5.5 High pressure pump ........................................................... 61
5.5.1 Protection .............................................................................. 61
5.5.2 Maintenance ......................................................................... 61
5.6 Inline filter ........................................................................... 72
5.6.1 Maintenance ......................................................................... 72
5.7 Inline sample preparation .................................................. 74
5.8 Rinsing the sample path .................................................... 74
5.9 Sample degasser ................................................................. 76
5.9.1 Operation .............................................................................. 76