Résumé
The principle of the method specified is heating a weighed quantity of homogenized sample in a clean platinum basin, removing the combustible material by burning, finally removing the carbon by heating, fusing the residue with a dilithium tetraborate/lithium fluoride flux, digesting the fused mixture in a solution of tartaric acid and hydrochloric acid, dilution to volume with water, measuring the solution by ICPES or AAS. The method is applicable for concentrations between 5 mg/kg and 150 mg/kg for aluminium and 10 mg/kg and 250 mg/kg for silicon.
Informations générales
-
État actuel: PubliéeDate de publication: 1994-08Stade: Norme internationale confirmée [90.93]
-
Edition: 1
-
Comité technique :ISO/TC 28ICS :75.160.20
- RSS mises à jour
Prévisualiser
Prévisualiser cette norme sur notre Plateforme de consultation en ligne (OBP)
Cycle de vie
Vous avez une question?
Consulter notre FAQ
Service à la clientèle
+41 22 749 08 88
Horaires d’ouverture:
De lundi à vendredi - 09:00-12:00, 14:00-17:00 (UTC+1)