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.
Status : WithdrawnPublication date : 1984-02
Edition : 1Number of pages : 3
Technical Committee:International Union of Leather Technologists and Chemists Societies
A standard is reviewed every 5 years
Revisions / Corrigenda