Објављен
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.
ОБЈАВЉЕН
ISO 6490-1:1985
90.93
Одлука о потврђивању стандарда
11. 12. 2021.
Hrana za životinje - ODREĐIVANJE SADRŽAJA KALCIJUMA - DEO 1: VOLUMETRIJSKA METODA - (Identičan sa ISO 6490-1:1985)
90.93 Одлука о потврђивању стандарда