ISO 2994:1974

Ammonium sulphate for industrial use — Determination of matter insoluble in water — Gravimetric method
Specifies the dissolution of a test portion in water; filtration under vacuum on the filter crucible, thorough washing of the filter crucible and detection of the absence of sulphates in the wash water by a barium chloride test, drying and weighing of the insoluble residue. Has also been approved by the IUPAC.
OEN:
ISO
Langue:
English
Code(s) de l'ICS:
71.060.50
Statut:
Annulée
Date de Publication:
1974-03-31
Numéro Standard:
ISO 2994:1974