ISO 6490-1:1985
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ISO 6490-1:1985
12861
Status : Published (Under review)
This standard was last reviewed and confirmed in 2021. Therefore this version remains current.
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Format Language
std 1 40 PDF
std 2 40 Paper
  • CHF40
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Abstract

The method is applicable to products having contents greater than 1 g/kg. It consists in ashing of a test portion, treatment of the ash with hydrochloric acid and precipitation of the calcium as calcium oxalate, dissolution of the precipitation in sulfuric acid and titration with standard volumetric potassium permanganate solution of the oxalic acid formed.

General information

  •  : Published
     : 1985-11
    : International Standard confirmed [90.93]
  •  : 1
     : 2
  • ISO/TC 34/SC 10
    65.120 
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