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ISO 5399:1984 PDF
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Leather — Determination of water-soluble magnesium salts — EDTA titrimetric method
Principle: Aqueous extraction of a test portion, followed by the evaporation and drying at 102 +/-2 degrees centigrade, and sulfating and ashing of the residue at 800 degrees centigrade, to yield the water-soluble inorganic matter. Treatment of the residue with hydrochloric acid, and titration with standard volumetric disodium ethylenedinitrilotetraacetate solution.
| Edition | 1984 |
|---|---|
| Published Date | 1984 |
| Published By | International Standardization Organisation |
| Page Count | 3 |
