Résumé
The method consists in ashing of a test portion in a muffle furnace at 525+25 C, treating the ash obtained with hydrochloric acid, neutralizing with ammonia solution and determing of the value using an ammonia/ammonium chloride electrolyte. Copper, tin, lead and cadmium do not interfere.
Informations générales
-
État actuel: PubliéeDate de publication: 1986-04Stade: Norme internationale confirmée [90.93]
-
Edition: 1Nombre de pages: 3
-
Comité technique :ISO/TC 34/SC 3ICS :67.080.01
- RSS mises à jour