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Description
To prevent membrane poisoning, new membrane technology in chlor-alkali cells requires feed brine that is relatively free of alkaline earth metals.This Application Note describes a method for determining low μg/L amounts of calcium and magnesium in a 30% sodium chloride brine by ion chromatography. A MetPac column is used to concentrate calcium and magnesium from the brine, which is then separated on an IonPac CS12A cation-exchange column and detected by suppressed conductivity detection. AU158 updates this method to achieve 10 ppb manganese by concentrating 10 times more sample.| Market: | Chemical |
| Keywords: | Magnesium, Matrix Elimination, Potassium, Sodium, calcium, IonPac CS12A, Lithium, MetPac, TMC-1, Brine |
| Matrix: | Brine |
| Author: | Mark Laikhtman and Jeff Rohrer |
| Affiliation: | Thermo Fisher Scientific |
For Research Use Only. Not for use in diagnostic procedures.
