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Metrohm 761 Compact IC User Manual

Page 74

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3 Operating tutorial

761 Compact IC

64

5 Fill sample loop

Immerse the aspirating tubing 4 attached to connection 3 in

the vessel containing the drinking water sample.

Using the syringe fixed to connection 2 siphon in ca. 1 mL

drinking water.

6 Switch injection valve to "INJECT" position

Click on the

button of the 761 icon in the system

window to switch the injection valve to the "INJECT" position.

At the same time, the data recording is started automatically.

The status bar of the chromatogram window shows the mes-

sage

Measure

, the

SYSTEM STATE

window shows the mes-

sages

Running [761 Compact IC]

and

INJECT done [Suppressed]

.

When the analysis time of 24 min set in the method has

expired data recording is automatically stopped and the

chromatogram is integrated and evaluated. In the chroma-

togram window the peaks which have been found are num-

bered and the baseline drawn. In the

SYSTEM STATE

window

the message

Finished [Suppressed]

appears. It is now possible

to record further samples with the same system.

At the end of the determination, the chromatogram window is

closed and the chromatogram is saved automatically. The file

name is generated automatically and contains date and time

in a coded form:

1

st

numeral:

Alphabetical code for year

(e.g. j = 1999, k = 2000, l = 2001, etc.)

2

nd

numeral:

Code for month

(1...9 = Jan....Sept., a...c = Oct....Dec.)

3

rd

+4

th

numeral: Day (01 ... 31)

5

th

- 8

th

numeral: Time (hh:mm)