Metrohm 872 Extension Module - Manual (Page 46)

4.9 Injection valve
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872 Extension Module IC Module
4.9.3 Selecting the sample loop
The amount of sample solution injected depends on the volume of the
sample loop. The choice is made on the basis of the application. The fol-
lowing sample loops are normally used:
Cation determination 10 µL
Anion determination with suppression 20 µL
Anion determination without suppression 100 µL