Reference number
ISO 6490-1:1985
© ISO 2024
International Standard
ISO 6490-1:1985
Animal feeding stuffs — Determination of calcium content — Part 1: Titrimetric method
Edition 1
1985-11
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Published (Edition 1, 1985)
This publication was last reviewed and confirmed in 2021. Therefore this version remains current.

ISO 6490-1:1985

Language
Format
CHF 42
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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

  • Status
     : Published
    Publication date
     : 1985-11
    Stage
    : International Standard confirmed [90.93]
  • Edition
     : 1
    Number of pages
     : 2
  • Technical Committee :
    ISO/TC 34/SC 10
    ICS :
    65.120 
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