Ammonium sulphate for industrial use; Determination of matter insoluble in water; Gravimetric method

ISO 2994:1974 — Ammonium sulphate for industrial use; Determination of matter insoluble in water; Gravimetric method is an international standard developed by International Organization for Standardization (ISO). 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...

This standard covers: 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...

This standard is intended for organizations, professionals, and stakeholders involved in various industries and sectors. It is applicable to manufacturers, service providers, regulatory bodies, and certification organizations.

The current published version is ISO 2994:1974, published on 1974-04. Always check for amendments or pending revisions.

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