NEN-EN-ISO 5399
Leather - Determination of water-soluble magnesium salts - EDTA titrimetric method
active, Most Current
| Organization: | NEN |
| Publication Date: | 1 September 1998 |
| Status: | active |
| Page Count: | 12 |
| ICS Code (Leather and furs): | 59.140.30 |
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 ethylenedinitrilotet
Document History
NEN-EN-ISO 5399
September 1, 1998
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...