Active standard | Published: 28/04/1993

ISO 9964-2:1993

Water quality — Determination of sodium and potassium — Part 2: Determination of potassium by atomic absorption spectrometry
(Qualité de l´eau — Dosage du sodium et du potassium — Partie 2: Dosage du potassium par spectrométrie d´absorption atomique)

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Detail information

Designation: ISO 9964-2:1993

Publication date: 28/04/1993

Pages: 4

Country: International technical standard

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Anotation

Description / Abstract: The principle of the method specified is adding a caesium chloride solution to the sample as an ionization suppressant, aspirating the sample directly into the air/acetylene flame of an atomic absorption spectrometer and measuring the absorbance at a wavelength of 766,5 nm. Applies to water samples with a mass concentration of potassium in the range from 5 mg/l to 50 mg/l. This range can be extended if other dilution factors are chosen.

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