4 ic anion precolumn supersep – Metrohm 790 Personal IC User Manual

Page 42

Advertising
background image

2.7 Precolumns and separating columns

790 Personal IC

33

67

67

67

67

66

66

66

66

65

65

65

65

68

68

68

68

69

69

69

69

46

46

46

46

20

20

20

20

65

65

65

65

64

64

64

64

64

64

64

64

46

46

46

46

48

48

48

48

Fig. 12: Installation of precolumn glass cartridges with cartridge holder

20

20

20

20 Column connection capillary

from injector

66

66

66

66

Sleeve for precolumn cartridge

46

46

46

46

Compression fitting (6.2744.010)

67

67

67

67

Precolumn cartridge (6.1006.030)

48

48

48

48

PEEK capillary (6.1831.010)

68

68

68

68

Connection piece

for connection precolumn – column

64

64

64

64

End fitting

69

69

69

69 Screw cap for column

65

65

65

65

Screw cap for precolumn

2.7.4

IC anion precolumn SUPERSEP

The 6.1009.010 IC Anion Precolumn SUPERSEP has two connections

for PEEK capillaries and is installed as follows:

1 Connect precolumn

• Remove end caps from the precolumn.
• Fit PEEK compression fitting 46

46

46

46 to column connection capil-

lary 20

20

20

20 (see section 2.3.4).

• Screw precolumn to column connection capillary 20

20

20

20.

• Cut a piece from the 6.1831.010 PEEK capillary as short as

possible and fit with PEEK compression fittings 46

46

46

46 (see sec-

tion 2.3.4).

• Fasten the prepared capillary to the other end of the precol-

umn.

2 Rinse precolumn

• Place a beaker beneath the outlet capillary of the precolumn.
• 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 precolumn with eluent for ca. 10 min.

• Switch off high-pressure pump by clicking

<Off>

.

Advertising