Metrohm 930 Compact IC Flex ChS/Deg - Manual (Page 96)

6.1
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88 ￭￭￭￭￭￭￭￭
930 Compact IC Flex ChS/Deg (2.930.1260)
Problem Cause Remedy
Precision problems -
the measured values
are highly scattered. Injection valve – Sample
loop. Inspect the installation of the sample loop (see
"Optional: Exchanging the sample loop",
page 27).
Sample – There are gas
bubbles in the sample. Use the sample degasser .
Sample – The rinsing vol-
ume is too small. Increase the rinsing time (see Chapter 5.13,
page 81).
Injection valve – Defective. Request Metrohm Service.
Vacuum is not being
built Eluent degasser – Vacuum
connection on the rear of
the instrument is not
(tightly) sealed. ￭ Seal the Vacuum connector tightly with a
threaded stopper (6.1446.040).