ISO 2994:1974 PDF
Ammonium sulphate for industrial use — Determination of matter insoluble in water — Gravimetric method
Open preview (PDF)Ammonium sulphate for industrial use — Determination of matter insoluble in water — Gravimetric methodAmmonium sulphate for industrial use — Determination of matter insoluble in water — Gravimetric method
- Document status:
- Withdrawn
- Format:
- Electronic (PDF)
- Number of pages:
- 2
- Publication date:
- April 1, 1974
- Edition:
- ISO IS 2994 edition 1 version 1
- ICS:
- 71.060.50
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.
Technical details
- Technical committee
- ISO/TC 47 - Chemistry
- SKU
- ISO 2994:1974


