Metrohm 930 Compact IC Flex Oven/ChS - Manual (Page 34)

4.15 Connecting and rinsing the guard column
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930 Compact IC Flex Oven/ChS (2.930.2200)
4 Deaerating the high-pressure pump
Use the syringe to aspirate eluent until there are no more air
bubbles in the eluent.
5 Rinsing the instrument without columns
￭ Rinse the instrument (without columns) with eluent for 5 minutes.
4.15 Connecting and rinsing the guard column
CAUTION
New guard columns are filled with solution and sealed with stoppers or
caps on both sides.
Before inserting the guard column, ensure that this solution can be
mixed with the eluent being used (follow information from the manu-
facturer).