Metrohm 850 Professional IC Cation - Prep 2 - Manual (Page 6)

Table of contents
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IV ￭￭￭￭￭￭￭￭
850 Professional IC – Cation – Prep 2
2.14 Peristaltic pump .................................................................. 44
2.14.1
Principle of the peristaltic pump ............................................. 44
2.14.2 Installing the peristaltic pump ................................................ 45
2.15 Injection valve ..................................................................... 49
2.15.1
Connecting the injection valve ............................................... 49
2.15.2 Mode of operation of the injection valve ............................... 50
2.15.3 Selecting the sample loop ...................................................... 51
2.16 Column thermostat ............................................................ 51
2.17 Conductivity detector ......................................................... 54
2.18 Connecting the instrument ................................................ 56
2.18.1
Connecting the instrument to the PC ..................................... 56
2.18.2 Connecting the instrument to mains supply ........................... 56
2.19 Guard column ..................................................................... 57
2.20 Separation column ............................................................. 59
3 Start-up 61
3.1 Initial start-up ..................................................................... 61
3.2 Conditioning ........................................................................ 62
4 Operation and maintenance 64
4.1 General information ........................................................... 64
4.1.1 Care ...................................................................................... 64
4.1.2 Maintenance by Metrohm Service .......................................... 64
4.1.3 Operation .............................................................................. 65
4.1.4 Shutting down ...................................................................... 65
4.2 Capillary connections ......................................................... 65
4.2.1 Operation .............................................................................. 65
4.3 Door ..................................................................................... 66
4.4 Eluent ................................................................................... 66
4.4.1 Production ............................................................................. 66
4.4.2 Operation .............................................................................. 67
4.5 High pressure pump ........................................................... 67
4.5.1 Protection .............................................................................. 67
4.5.2 Maintenance ......................................................................... 68
4.6 Inline filter ........................................................................... 78
4.6.1 Maintenance ......................................................................... 78
4.7 Inline sample preparation .................................................. 80
4.8 Rinsing the sample path .................................................... 80
4.9 Sample degasser ................................................................. 82
4.9.1 Operation .............................................................................. 82