Metrohm 850 Professional IC Anion MCS Prep 3 - Manual (Page 53)

￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭
2 Installation
850 Professional IC –Anion – MCS – Prep 3
￭￭￭￭￭￭￭￭ 43
1 A B D
C
Figure 24 Cation exchange with the SPM
1 Sample A SPM
B Injection valve C Separation column
D MSM
2 Injection and sequential suppression
￭ The injection valve is switched to the position Inject.
￭ With the eluent flow (25-2) the sample prepared is rinsed onto
the separation column (25-C).
￭ The sequential suppression with the MSM(25-D) and the MCS fol-
lows after the separation.
A B D
C
2
Figure 25 Injection and sequential suppression
2 Sample in the eluent flow A SPM
B Injection valve C Separation column
D MSM
Neutralization
A typical use of the SPM is the neutralization of an alkaline sample for
anion determination with chemical suppression.