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Metrohm 792 Basic IC User Manual

Page 5

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Table of contents

792 Basic IC

IV

4.6 Batch reprocessing ........................................................................................... 132

4.6.1 Batch reprocessing queue file handling ............................................ 132

Open batch reprocessing queue............................................... 132

Create new batch reprocessing queue...................................... 132

Save batch reprocessing queue ................................................ 132

4.6.2 Perform batch reprocessing............................................................... 133

Reprocess options window........................................................ 133

Merge chromatograms .............................................................. 136

4.6.3 Batch reprocessing queue editor....................................................... 137

Open batch reprocessing queue editor window ....................... 137

Batch reprocessing queue editor functions............................... 138

Print batch reprocessing queue................................................. 138

Close batch reprocessing queue editor .................................... 138

5

Notes – Maintenance – Faults

...................................................

139

5.1 Practical notes on ion chromatography ........................................................ 139

5.1.1 Separating

columns ........................................................................... 139

5.1.2 High-pressure

pump .......................................................................... 140

5.1.3 Eluents................................................................................................ 141

5.1.4 Peristaltic

pump.................................................................................. 141

5.1.5 Suppressor

module............................................................................ 142

5.1.6 Connections ....................................................................................... 142

5.2 Maintenance and servicing .............................................................................. 143

5.2.1 General

information............................................................................ 143

5.2.2 Passivation ......................................................................................... 143

5.2.3 Recycling ............................................................................................ 144

5.2.4 Shutdown............................................................................................ 144

5.2.5 Changing separating columns........................................................... 144

5.2.6 Maintenance work at the pump head ................................................ 146

5.2.7 Regeneration of the suppressor module ........................................... 150

5.2.8 Cleaning the suppressor.................................................................... 151

5.2.9 Replacing the suppressor .................................................................. 153

5.2.10 Exchanging the pump tubing............................................................. 155

5.3 Faults and malfunctions ................................................................................... 156

5.3.1 Error

messages .................................................................................. 156

5.3.2 Malfunctions and their rectification .................................................... 156

5.4 Diagnostic tests / Validation / GLP ................................................................. 158