18 sample preparation module (spm), 1 general information on the spm, 2 connecting the sample preparation module (spm) – Metrohm 940 Professional IC Vario ONE/SeS/PP/Prep 3 User Manual
Page 60: General information on the spm, Connecting the sample preparation module (spm), Figure 16, Spm connection capillaries
3.18 Sample preparation module (SPM)
￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭
50
￭￭￭￭￭￭￭￭
940 Professional IC Vario ONE/SeS/PP/Prep 3 (2.940.1530)
3.18
Sample preparation module (SPM)
3.18.1
General information on the SPM
The SPM consists of a total of three neutralization units, which, in rota-
tion, are used for sample preparation, then regenerated and finally rinsed.
The SPM can be used for the following purposes (as well as others):
￭
For cation exchange before injecting the sample.
￭
For neutralizing a sample.
You can find more information on these preparation techniques in the
"Metrohm Inline Sample Preparation (MISP)" brochure (available on the
Internet at
by searching for "MISP").
3.18.2
Connecting the sample preparation module (SPM)
The three inputs and outputs of the suppressor units, numbered with 1, 2
and 3 on the connecting piece, each have 2 fixed mounted PTFE capilla-
ries.
Figure 16
SPM connection capillaries
1
out
Output capillary for the sample.
2
in
Input capillary for the sample.