Metrohm 930 Compact IC Flex ChS/PP - Manual (Page 55)

￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭
3 Installation
930 Compact IC Flex ChS/PP (2.930.1300)
￭￭￭￭￭￭￭￭ 47
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).
NOTE
The guard column may not be connected until after the instrument has
already been put into operation once (see Chapter 3.15, page 44). The
guard column and separation column have to be replaced by a coupling
(6.2744.040) until then.
Accessories For this step you need the following accessories:
￭ Guard column (suitable for the separation column)
Connecting the guard column
1 Removing the coupling
Remove the coupling installed between the column input capillary
and the column output capillary for the initial start-up.
2 Preparing the guard column
￭ Remove the stopper and the sealing cap from the guard column.