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.
Status : WithdrawnPublication date : 1974-04
Edition : 1Number of pages : 2
A standard is reviewed every 5 years
Revisions / Corrigenda