beautypg.com

Metrohm 754 Dialysis Unit User Manual

Page 31

background image

3 Operation

754 Dialysis Unit

28

3 Starting up the IC System

Switch on the 732 IC Detector, load method and set program

status to

active

(see the 732/733 Manual).

Switch on 709 IC Pump and condition IC column (see the 709

Manual).

If applicable, switch on the 753 Suppressor Module and the

remote control (see the 753 Manual).

Switch on data evaluation system (e.g. «IC Metrodata for

Win95»).

4 Starting up the dialysis system

Switch on the 754 Dialysis Unit and switch off the remote

control with the key 22 (see section 3.1).

Immerse suction tubings 26

26 and 27

27 in the acceptor solution,

switch on the pump with the key 1

1 and rinse the

dialysis system with acceptor solution for approx. 10 min.

Switch off the pump with the key 11 and switch on

the remote control with the key 22.

5 Calibration

Immerse sample suction tubing 26

26 in the standard solution.

Start program on the 732 IC Detector with the

key. The LED in the key will start to flash.

The next standard can be measured as soon as the LED in

the key stops flashing.

6 Measuring the sample

Immerse sample suction tubing 26

26 in the sample solution.

Start program on the 732 IC Detector with the

key. The LED in the key will start to flash.

The next sample can be measured as soon as the LED in the

key stops flashing.

7 Rinse the dialysis system

After completing the measurements, switch off the remote

control on the 754 Dialysis Unit with the key 22

(see section 3.1).

Immerse sample suction tubing 26

26 in the acceptor solution,

switch on the pump with the key 1

1 and rinse the

dialysis system with acceptor solution for approx. 10 min.

Switch off the pump with the key 11.

8 Shutting down the dialysis system

If the dialysis cell is to remain switched off for a long period of

time, remove the inlet and outlet leads connecting to the di-

alysis cell and block openings 41

41, 42

42, 43

43 and 44

44 (see Fig. 7)

with 6.2744.060 dummy stoppers.