Reference number
ISO 9964-3:1993
International Standard
ISO 9964-3:1993
Water quality — Determination of sodium and potassium — Part 3: Determination of sodium and potassium by flame emission spectrometry
Edition 1
1993-05
Read sample
ISO 9964-3:1993
17871
Published (Edition 1, 1993)
This publication was last reviewed and confirmed in 2019. Therefore this version remains current.

ISO 9964-3:1993

ISO 9964-3:1993
17871
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Format
CHF 42
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Abstract

The principle of the method specified is aspirating the sample into a gas flame of sufficient thermal energy to cause any sodium and potassium present to emit its characteristic radiation and measuring the intensity at a wavelength of 589,0 nm for sodium and 766,5 nm for potassium. Applies to water samples with a mass concentration of sodium and potassium of up to 10 mg/l. For higher concentrations, a smaller test portion is taken for analysis. The lower limits of determination are less than 0,1 mg/l for both sodium and potassium.

General information

  •  : Published
     : 1993-05
    : International Standard under systematic review [90.20]
  •  : 1
     : 5
  • ISO/TC 147/SC 2
    13.060.50 
  • RSS updates

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