Metrohm 790 Personal IC User Manual Page 54
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2.9 Putting into operation
790 Personal IC
45
3 Start system
•
Make sure, that the aspirating tubing 6.1834.010 for the high-
pressure pump is immersed in the eluent.
•
Select
Startup determination
from the
Control
menu in the sys-
tem window. The high-pressure pump and the peristaltic
pump are started, at the same time, a chromatogram window
is opened where the baseline is recorded continuously. The
suppressor module is automatically switched to the next
position every 20 min and conditioned in this way.
4 Set contact pressure for pump tubings
•
Press contact pressure lever
41
4141
41
on both tubing cartridges
40
4040
40
upwards until regeneration and rinsing solution just start to be
drawn in.
•
Then press contact pressure lever
41
4141
41
upwards until it clicks
once more to obtain optimal contact pressure.
5 Check for leaks
•
Check all capillaries and their connections between the high-
pressure pump and the detector block for escaping liquid. If
eluent escapes anywhere, the appropriate compression fit-
ting must be tightened further or changed.
6 Condition system
•
Rinse the system with eluent until the desired stability of the
baseline is reached (normally 30
…
60 min; if the eluent is
changed, the establishment of the ion exchanger equilibrium
on the separating column can take longer). After this time the
suppressor module is sufficiently conditioned too.
•
The instrument is now ready for sample determinations using
the selected system.
Pump tubings are consumable material with a lifetime, which depends
on the contact pressure. This is why the tubing cartridges should be
raised completely by loosening snap-action lever on the right-hand
side if the pump is to remain switched off for a considerable length of
time (the set contact pressure remains unchanged).
- 790 Personal IC 1
- Table of contents 2
- 3 Operating tutorial 3
- 4 Operation 3
- List of figures 7
- 1 Introduction 10
- 1.2 Parts and controls 12
- 1 Introduction 13
- 1.733.0110 Detector block) 15
- 1.3.1 Organization 19
- SYSTEM STATE 20
- <OK> 20
- 1.4 Safety notes 21
- 2 Installation 22
- 2.2.1 Packaging 24
- 2.2.2 Check 24
- 2.2.3 Location 24
- 2.3.5 Filter unit PEEK 27
- 2.4 Mains connection 28
- 2.4.2 Fuses 29
- 2.5 Connection to the PC 30
- 2.5.3 Basic settings 31
- Hardware 33
- Hardware settings 33
- Cell constant 33
- 2.6 High-pressure pump 34
- Flow rate 41
- <Send to unit> 41
- <On> 41
- <Off> 41
- 2.8 Suppressor module 46
- 2.9 Putting into operation 52
- File / Open / System 53
- 790com1 53
- 790com2 53
- Prep MSM.smt 53
- <Open> 53
- Startup determination 54
- Run time 55
- 2 Installation 59
- 3.2 Preparations 61
- 3.3 Calibration 62
- 3.4 Sample determination 69
- 4.1.2 Glossary 73
- 4.1.4 Main window elements 75
- 4.1.9 Help 78
- 4.2.1 Fonts 79
- 4.2.2 Security system 79
- 4.2.3 Global settings 80
- 4.2.4 COM port 82
- 4.3 Systems 83
- 4.3.3 System functions 84
- 4.3.4 PC icon 86
- 4.3.5 Watch window 86
- 4.3.6 Instrument icon 87
- 4.3.7 System state window 93
- 4.4 Methods 95
- Data Log 101
- <Add new> 101
- New comment 101
- 4.4.3 Method setup 102
- 790 Personal IC 103
- 4.4.4 Integration 105
- Component table 109
- Components table 111
- 4.4.6 Report output 121
- 4.5 Chromatograms 133
- 4.5.4 Peak editor 142
- 4.5.5 Printing 144
- 4.6 Sample queue 147
- 4.6.2 Sample queue control 148
- 4.6.3 Sample queue editor 150
- 4.7 Batch reprocessing 153
- REPROCESS / 157
- <Merge> 157
- Appearance 157
- File / Save / Chroma 157
- 5.1.1 Separating columns 160
- 5.1.2 High-pressure pump 161
- 5.1.3 Eluents 162
- 5.1.4 Peristaltic pump 162
- 5.1.5 Suppressor module 163
- 5.1.6 Connections 163
- 5.2.1 General information 164
- 5.2.2 Passivation 164
- 5.2.3 Recycling 165
- 5.2.4 Shutdown 165
- 93 and 170
- 5.3 Faults and malfunctions 177
- 6 Appendix 180
- 6.1.4 High-pressure pump 181
- 6.1.5 Peristaltic pump 181
- 6.1.6 Suppressor module 182
- 6.1.7 RS232 interface 182
- 6.1.8 Remote interface 182
- 6.1.9 Mains connection 183
- 6.1.10 Safety specifications 183
- 6.1.12 Ambient temperature 183
- 6.1.13 Housing 184
- 6.2 Standard equipment 185
- 2.790.0010 186
- 2.790.0020 186
- 6.3 Optional accessories 188
- 6.4 Warranty and conformity 195
- EU Declaration of Conformity 196
- 6.5 Index 198
- 6 Appendix 199
- 6.5 Index 200
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