ISO 3423:1975
p
ISO 3423:1975
8739

Abstract

 Preview

Applicable of products the SO2 content of which is equal to or more than 2 mg/kg. Based on the displacement of the sulphur dioxide present in the test portion by a current of pure nitrogen and absorption in a known volume of iodine solution. Titration of the excess of iodine with standard volumetric sodium thiosulphate solution. The diagram of the glass apparatus for absorption is shown in a figure.


General information 

  •  :  Published
     : 1975-11
  •  : 1
     : 3
  •  : ISO/TC 47 Chemistry
  •  :
    71.060.30 Acids

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