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ISO 6490-1:1985 (R2021)
Animal feeding stuffs — Determination of calcium content
Part 1: Titrimetric method
Part 1: Titrimetric method
Summary
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.
Notes
90.93 : Norme internationale confirmée
Technical characteristics
| Publisher | International Organization for Standardization (ISO) |
| Publication Date | 11/07/1985 |
| Confirmation Date | 12/11/2021 |
| Edition | 1 |
| Page Count | 2 |
| EAN | --- |
| ISBN | --- |
| Weight (in grams) | --- |
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Previous versions
07/11/1985
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