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

Standard No.

ISO 5399:1984

Release Date

1984

Published By

International Organization for Standardization (ISO)

Status

Withdraw

Latest

ISO 5399:1984

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.

ISO 5399:1984 history

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