ISO 9964-1:1993
ISO 9964-1:1993



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 589,0 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.

General information 

  •  :  Published
     : 1993-05
  •  : 1
     : 4
  •  : ISO/TC 147/SC 2 Physical, chemical and biochemical methods
  •  :
    13.060.50 Examination of water for chemical substances

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