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Sodium sulfite USP-NF 500GM
90690SG500344210828CU
USP-NF3442108
7757-83-776745
Na2SO3March 2021
126.04February 2024
Sr.No.TestResultSpecification
1DescriptionColorless crystals.Colorless crystals.
2SolubilityPassesFreely soluble in water;very slightly soluble in alcohol .
3Identification A (By Chemical test)CompliesA pink color should produce
4Identification B (sulfate)CompliesColorless solution; should yield a white precipitate with barium chloride which should insoluble in hydrochloric acid and nitric acid
5Identification C (for Sodium)CompliesA dense precipitate should produce.
6Assay97.3%95.0% - 100.5%
7IronLess than 10 ppmNMT 10 ppm
8Selenium (Se)Less than 10 ppmNMT 10 ppm
9ThiosulfatesLess than 0.1%NMT 0.1%
10Zinc (Zn)Less than 25 ppmNMT 25 ppm
11Color and Clarity of solutionPassesClear and colorless solution
Remarks: THE CAPTIONED MATERIAL COMPLIES WITH THE PRESCRIBED QUALITY OF USP-NF 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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