Entrainment in a current of nitrogen of the gas extracted from the acidified and heated product, and fixing and oxidation of the gas by bubbling through a dilute solution of neutral hydrogen peroxid. Titration of the sulphuric acid formed with standard volumetric sodium hydroxide solution of nephelometric determination in the case of low contents.

General information

  • Status :  Withdrawn
    Publication date : 1983-08
  • Edition : 1
    Number of pages : 6
  • :
    ISO/TC 93
    Starch (including derivatives and by-products)
  • 67.180.20
    Starch and derived products

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