Codes & Standards - Purchase
ISO 6490-1:1985
Animal feeding stuffs -- Determination of calcium content -- Part 1: Titrimetric method
SKU: iso_012861_105234
Published by ISO
Publication Year 1985
1 Edition
2 pages
Product Details
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.