ISO 2994:1974
Withdrawn
Ammonium sulphate for industrial use — Determination of matter insoluble in water — Gravimetric method
Hardcopy , PDF
English, French
04-01-1974
04-23-2019
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.
| Committee |
ISO/TC 47
|
| DocumentType |
Standard
|
| Pages |
2
|
| PublisherName |
International Organization for Standardization
|
| Status |
Withdrawn
|
| Standards | Relationship |
| NBN T 03 068 : 1979 | Identical |
| BS 3786:1964 | Similar to |
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