3 precolumn glass cartridges with cartridge holder – Metrohm 792 Basic IC User Manual
Page 39
2 Installation
792 Basic IC
30
2.7.3
Precolumn glass cartridges with cartridge holder
The precolumn glass cartridge METROSEP Anion Dual 1 (6.1006.030)
is inserted in the 6.2828.110 Precolumn cartridge holder as follows (see
Fig. 11):
1 Insert cartridge
x Remove end fittings 62
62
62
62 from sleeve 63
63
63
63.
x Insert precolumn cartridge 64
64
64
64 in sleeve 63
63
63
63 (mark flow direc-
tion of the column cartridge on sleeve, the column cartridge
should always be operated in the same flow direction).
x Screw both end fittings 62
62
62
62 loosely to sleeve 63
63
63
63 by hand.
x Tighten both end fittings 62
62
62
62 first by hand, then firmly using a
screwdriver (½ ¼ turn).
2 Connect precolumn
x Provide the column connection capillary 20
20
20
20 mounted on the
injection valve with a PEEK compression fitting 46
46
46
46 (see sec-
tion 2.3.4) and screw it tightly onto end fitting 62
62
62
62 on the inlet
side of the precolumn.
x Screw connection piece 65
65
65
65 to end fitting 62
62
62
62 on the other end
of the precolumn.
3 Rinse precolumn
x Place a beaker beneath the outlet capillary of the precolumn.
x Open software window for manual system control.
x If necessary, modify
Flow rate
to the value suited for the
inserted separating column and click on
to
send this value to the 792 Basic IC.
x Switch on high-pressure pump (
IC pump
) by clicking
and
rinse precolumn with eluent for ca. 10 min.
x Switch off high-pressure pump by clicking
.