Metrohm 930 Compact IC Flex Oven/SeS/Deg User Manual download pdf (Page 85)

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5 Operation and maintenance

930 Compact IC Flex Oven/SeS/Deg (2.930.2460)

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5.10 Servicing the pulsation absorber

CAUTION

The pulsation absorber is maintenance-free and must not be opened.

5.11 Injection valve

Maintenance on the injection valve is best performed by specialist person-

nel from Metrohm during annual service.

5.12 Suppressor

5.12.1 Notes for operating the suppressor

NOTE

The suppressor units must never be regenerated in the same flow direc-

tion the eluent is pumped. Therefore, always mount the input and out-

put capillaries according to the diagram outlined in Chapter Connecting

the suppressor, page 31.

The suppressor consists of three suppressor units, which are used in rota-

tion for suppression, regenerated with regeneration solution, and rinsed

with ultrapure water. In order to record every new chromatogram under

comparable conditions, you should normally work with a freshly regener-

ated suppressor.

CAUTION

The suppressor must never be switched over if liquid is not flowing

through it, since otherwise it may become jammed. If the suppressor is

in a dry state, it must be rinsed for at least five minutes before it may be

switched over.

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Metrohm 930 Compact IC Flex Oven/SeS/Deg User Manual Page 85