ISO 5378:1978
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ISO 5378:1978
11420

Abstract

 Preview

Destruction of organic matter by sulphuric acid in the presence of a compound catalyst (see ISO 1871), alkalization of the reaction products, destillation of the liberated ammonia and collection in a sulphuric acid solution, followed by measuring of the ammonium salt formed after the addition of Nessler reagent. The method is provided for contents less than 0,025 % (m/m). For greater contents, see ISO 3188.


General information 

  •  :  Published
     : 1978-06
  •  : 1
     : 3
  •  : ISO/TC 93 Starch (including derivatives and by-products)
  •  :
    67.180.20 Starch and derived products

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