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Homepage>ISO Standards>ISO 6490-1:1985-Animal feeding stuffs — Determination of calcium content-Part 1: Titrimetric method
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download between 0-24 hoursReleased: 1985
ISO 6490-1:1985-Animal feeding stuffs — Determination of calcium content-Part 1: Titrimetric method

ISO 6490-1:1985

ISO 6490-1:1985-Animal feeding stuffs — Determination of calcium content-Part 1: Titrimetric method

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Standard´s number:ISO 6490-1:1985
Pages:2
Edition:1
Released:1985
DESCRIPTION

ISO 6490-1:1985


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.
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