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BOS ISO 9964-2:1993
P330.60
Water quality — Determination of sodium andsium — Part 2: Determination of potassium by atomic absorption spectrometry
Description
“This International Standard specifies a method for the determination of dissolved potassium by flame atomic
absorption spectrometry (AAS). It is intended for the analysis of raw and drinking waters. The method is applicable to water samples with a mass concentration of potassium in the range from 5 mg/I to 50 mg/I. This range can be extended to lower or higher limits if dilution factors are chosen which are different from the factor specified in clause 8.”