Metrohm 2.845.0010 845, Manual

Page: 19 / 73

2.5 Tubing connections
845 Eluent Synthesizer / Instructions for Use 8.845. 8001EN
13
21
Bottle adapter
6.1602.180 Bottle adapter as connec-
tion piece between eluent bottle 22
and tubing connection 20 .
22 Eluent bottle
6.1608.070 Clear glass bottle for the
mixed eluent.
23
Pressure screw
6.2744.170 Pressure screw for con-
necting component capillary 24 to
component connection 5 .
24 PTFE capillary
6.1803.130 Capillary for connecting the
components.
2.5.2 Connecting the drainage tubing
Connect 6.1816.020 Silicone tubing to connection 18 on the rear panel
of the 845 Eluent Synthesizer and place the other end in a waste bottle.
2.5.3 Connections to bottle adapter
The tubing should not dip into the produced mixture. Make sure that
the FEP- Tubing Connection 6.1838.000
20
does not loom too deep
into the bottle.
2.845.0010:
Connect 6.1838.000 FEP Tubing connection 20 to the 6.1602.180 21
Bottle adapter and to Dosino outlet
4
. Then, attach the Bottle adapter to
the Eluent bottle 6.1608.070.
2.845.0020:
Connect two 6.1838.000 FEP Tubing connections 20 to the 6.1602.180
21
Bottle adapter and to Dosino outlets
4
and
7
. Then, attach the Bottle
adapter to the Eluent bottle 6.1608.070.
2.5.4 Connecting the components
The main component (e.g. water) must be connected to the com-
ponent connection with the number 1 (see Section 3.4.2). The main
component is used (at the end of the mixing process) to make the
volume up to the total volume given in the method (see Section
3.3).
Proceed as follows to connect the various components:
1 Connect capillary to 845
Connect 6.1803.130 PTFE capillary
24
with 6.2744.170 Pressure
screw 23 to component connection 5 .