ISO 2994:1974
Ammonium sulphate for industrial use — Determination of matter insoluble in water — Gravimetric method
OVERVIEW
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.
COMMENTS
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PRODUCT DETAILS
| Status | Withdrawn - 06 Jan 2026 |
|---|---|
| Edition | 1974 |
| No. of Pages | 2 |
| ICS Classification | 71.060.50 Salts |
| Committee | ISO/TC 47 |
| Available for Purchase | For sale in Singapore only |
| Adoption | ISO |