Metrohm 850 Professional IC MSM-HC MCS Prep 3 - Manual (Page 59)

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3 Installation
850 Professional IC Anion – MSM-HC – MCS – Prep 3
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1 A B D
C
Figure 25 Cation exchange with the SPM
1 Sample A SPM
B Injection valve C Separation column
D MSM-HC
2 Injection and sequential suppression
￭ The injection valve is switched to the position Inject.
￭ With the eluent flow (26-2) the sample prepared is rinsed onto
the separation column (26-C).
￭ The sequential suppression with the MSM-HC (26-D) and the
MCS follows after the separation.
A B D
C
2
Figure 26 Injection and sequential suppression
2 Sample in the eluent flow A SPM
B Injection valve C Separation column
D MSM-HC
Neutralization
A typical use of the SPM is the neutralization of an alkaline sample for
anion determination with chemical suppression.