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------Sodium Sulphide Sodium Nonahydrate Sulfide Nonahydrate USP and Analytical Reagent Grade Manufacturers
Anmol Chemicals Group, established in 1976, is the pioneer manufacturer of Specialty chemicals, Pharmaceutical Excipients, Fragrance & Flavor chemicals in India. Anmol Chemicals Group has manufacturing facilities spread across Western India, representatives in Houston Chicago USA, Dubai and UAE. We also have toll manufacturing units for processing chemicals in a few countries around the world. We make IP, BP, USP, Ph. Eur., FCC or Food Grade, Analytical Reagent Grade, LR or Laboratory Reagent Grade, Pure and Technical Grades of various chemicals. All our items are analyzed to meet the required standards. We can supply the material in grams for your laboratory trial and in tons for your plant scale jobs.
Our manufacturing facility is FDA approved and cGMP, GLP (FDA) Approved, ISO-9001, ISO-14001, ISO/IEC 17025, ISO OHSAS 18000, ISO 22000-2005 HACCP, FSSAI, FSSC-22000, certified. Apart from good manufacturing practice, we also follow good laboratory practice. We are offering products manufactured as per Kosher and Halal approved certified method. We are pre-registered with "Reach" for export to European countries. We can give all solid chemical materials as per specified size or shape. We observe WHO Good manufacturing practice and Good laboratory practice.
Sodium Sulfide SDS of Manufacturers
Synonyms: Sodium Sulphide
CAS Number: 1313-84-4 for Nonahydrate & (1313-82-2 for Anhydrous), Molecular Weight: 240.18, Chemical Formula: Na2S.9H2O, EINECS EC Number: 215-211-5, FEMA: ----,
桥本有菜照片桥本有菜照片,双头龙表情包双头龙表情包,南条玖美简介南条玖美简介Sodium Sulfide USP Grade
Sodium sulfide nonahydrate.
Disodium sulfide nonahydrate [1313-84-4].
Sodium Sulfide contains not less than 98.0 percent and not more than 103.0 percent of Na2S.9H2O.Identification: [NOTE: Conduct this test in a fume hood.] Transfer about 100 mg of Sodium Sulfide, to a suitable container, add 10 mL of 3 N hydrochloric acid, and cover the top of the container with filter paper saturated with a 0.2 M lead acetate solution: a brownish or silvery-black color forms on the paper.
Limit of iron: Dissolve about 5.0 g in 100 mL of water: the solution is clear and colorless.
Limit of sulfite and thiosulfate: Dissolve 3.0 g in 200.0 mL of filtered and degassed water. Add 100.0 mL of 0.2 N zinc sulfate, mix, and allow to stand for 30 minutes. Filter, add 1 mL of starch, and titrate 100.0 mL of the filtrate with 0.01 N iodine: not more than 3.0 mL is required.
Assay: Transfer about 275 mg of Sodium Sulfide, accurately weighed, to a 250-mL beaker, dissolve in 30 mL of filtered and degassed water, and mix. Add 50.0 mL of 0.1 N iodine while mixing, add 2 mL of hydrochloric acid, and allow to stand for 15 minutes in a dark place. Titrate with 0.1 N sodium thiosulfate VS to a pale yellow color. Add 5 mL of starch and titrate with 0.1 N sodium thiosulfate to a clear endpoint. Perform a blank determination, and make any necessary correction. Each mL of 0.1 N sodium thiosulfate is equivalent to 12.01 mg of Na2S.9H2O.
Sodium Sulfide Nonahydrate Analytical Reagent GradeREQUIREMENTS
Na2S-9H2O --- Formula Wt 240.18
CAS Number 1313-84-4
NOTE: To enhance stability, storage below 10C is recommended.
Appearance: Crystals, colorless or with only a slight yellow color
Assay: 98.0% Na2S . 9H2O
Ammonium (NH4): 0.005%
Sulfite and thiosulfate (as SO4): 0.1%
Iron: Passes test.
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Last updated 5-sep-20
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Sodium Sulphide Nonahydrate Analytical Reagent USP Grade Manufacturers