Metrohm 872 Extension Module User Manual
Page 6

Table of contents
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IV
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872 Extension Module IC Module
Inline filter ........................................................................... 33
Pulsation damper ............................................................... 34
Injection valve ..................................................................... 35
Connecting the injection valve ............................................... 35
Mode of operation of the injection valve ............................... 37
Selecting the sample loop ...................................................... 38
General information ........................................................... 40
Care ...................................................................................... 40
Maintenance by Metrohm Service .......................................... 40
Operation .............................................................................. 40
Shutting down ...................................................................... 41
Door ..................................................................................... 41
Eluent ................................................................................... 41
Production ............................................................................. 41
Operation .............................................................................. 42
High pressure pump ........................................................... 42
Protection .............................................................................. 42
Maintenance ......................................................................... 43
Inline filter ........................................................................... 53
Maintenance ......................................................................... 53
Inline sample preparation .................................................. 55
Rinsing the sample path .................................................... 55
Injection valve .................................................................... 57
Protection .............................................................................. 57
Quality Management and validation with Metrohm ....... 57
Problems and their solutions ............................................. 58
Reference conditions .......................................................... 60
Instrument ........................................................................... 60
Ambient conditions ............................................................ 60
Housing ............................................................................... 61
Eluent degasser .................................................................. 61
High pressure pump ........................................................... 61
Injection valve ..................................................................... 62