ISO 5399:1984
Leather — Determination of water-soluble magnesium salts — EDTA titrimetric method
Reference number
ISO 5399:1984
ISO 5399:1984
Edición 1
1984-02
1984-02
© ISO 2024
Retirada
Resumen
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.
Ciclo de vida
¿Tiene alguna duda?
Consulte nuestras Ayuda y asistencia
Atención al cliente
+41 22 749 08 88
Horario de asistencia:
De lunes a viernes - 09:00-12:00, 14:00-17:00 (UTC+1)