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

ISO-6490-1 - 1ST EDITION - CURRENT


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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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65.120 (Animal feeding stuffs Microbiology of animal feeding stuffs, see 07.100.30)

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Document Number

ISO 6490-1:1985

Revision Level

1ST EDITION

Status

Current

Publication Date

Nov. 1, 1985

Committee Number

ISO TC 34/SC 10