ISO 2994:1974
Withdrawn
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
Ammonium sulphate for industrial use — Determination of matter insoluble in water — Gravimetric method
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23-04-2019
English, French
01-04-1974
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.
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Withdrawn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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