Metrohm 790 Personal IC User Manual
Page 44
2.7 Precolumns and separating columns
790 Personal IC
35
2.7.7
Installation of the separating column without suppressor
With the 2.790.0010 Personal IC without suppressor module, the IC
separating column is installed as follows (see Fig. 13):
1 Connect column to injector
• Remove end caps from column 63
63
63
63.
• without precolumn:
Screw inlet end of separating column 63
63
63
63 (note flow direction)
to column connection capillary 20
20
20
20 mounted on the injector.
• with precolumn in cartridge head:
Install separating column 63
63
63
63 (note flow direction) in the car-
tridge head (see Fig. 11) as described in section 2.7.2.
• with precolumn in cartridge holder:
Screw inlet end of separating column 63
63
63
63 (note flow direction)
to the precolumn fixed in the cartridge holder as described in
section 2.7.3 (see Fig. 12).
• with IC anion precolumn SUPERSEP:
Screw inlet end of separating column 63
63
63
63 (note flow direction)
to the precolumn installed as described in section 2.7.4.
2 Rinse column
• Place a beaker beneath the column outlet.
• Open software window for manual system control.
• If necessary, modify
Flow rate
to the value suited for the
inserted separating column and click on
<Send to unit>
to
send this value to the 790 Personal IC.
• Switch on high-pressure pump (
IC pump
) by clicking
<On>
and
rinse column with eluent for ca. 10 min.
• Switch off high-pressure pump by clicking
<Off>
.
3 Connect column to detector block
• Screw outlet end of separating column 63
63
63
63 to the inlet capillary
37
37
37
37 permanently mounted on the detector block 38
38
38
38.
4 Fix column
• Insert one or two column holders 70
70
70
70 (6.2027.030, 6.2027.040
or 6.2027.050) in the mounting rails 19
19
19
19 and fasten separating
column 63
63
63
63 in the column holder 70
70
70
70.