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Sodium metabisulfite Ph.Eur 500GM
98630SG500334510902LT
Ph.Eur.3345109
7681-57-469814
Na2S2O5December 2020
190.1November 2023
Sr.No.TestResultSpecification
1AppearanceWhite crystalline powder.White or almost white crystalline powder or colorless crystals.
2SolubilityPassesFreely soluble in water. Slightly soluble in ethanol (96%).
3Identification A (By pH)4.033.5 to 5.0
4Identification B (Reaction of sulfates)CompliesWhite precipitate should form
5Identification C (Reaction of sodium)CompliesA dense white precipitate should form
6Appearance of solutionPassesClear and colorless solution
7pH4.033.5 to 5.0
8ThiosulfatesPassesThe solution should remain clear for at least 15 min
9Arsenic (As)Less than 5ppm5ppm max
10Iron (Fe)Less than 20ppm20ppm max
11Assay96.76%95.0% - 100.5%
Remarks: THE CAPTIONED MATERIAL COMPLIES WITH THE PRESCRIBED QUALITY OF PH.EUR SPECIFICATION.
FINAR provides this analytical report in good faith and to the best of its knowledge. It should not be substituted for the users own raw material quality control.
Tested By
(Chemist - Quality Control)
Approved By
(Head - Quality Control)
Computer Generated Report - Does not require Signature.
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