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ISO 5399:1984

Leather — Determination of water-soluble magnesium salts — EDTA titrimetric method ISO 5399:1984

Publication date:   Feb 1, 1984

95.99   Withdrawal of Standard   Sep 24, 2009

General information

95.99   Withdrawal of Standard   Sep 24, 2009

ISO

IULTCS International Union of Leather Technologists and Chemists Societies

International Standard

59.140.30   Leather and furs

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Scope

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.

Life cycle

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WITHDRAWN
ISO 5399:1984
95.99 Withdrawal of Standard
Sep 24, 2009




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