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

Standard No.

ISO 6490-1:1985

Release Date

1985

Published By

International Organization for Standardization (ISO)

Latest

ISO 6490-1:1985

Scope

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.

ISO 6490-1:1985 history

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