Muby Chemicals of Mubychem Group, established in 1976, is the original manufacturers of Specialty Chemicals, Pharmaceutical Excipient, Fragrance & Flavor chemicals, Shale Gas Fracturing Chemicals in India. Mubychem Group has several manufacturing facilities spread across Western India and world wide contacts and toll manufacturers. We are exporting globally to countries like USA, Canada, Europe, UAE, South Africa, Tanzania, Kenya, Egypt, Nigeria, Cameroon, Uganda, Turkey, Mexico, Brazil, Chile, Argentina, Dubai, Korea, Vietnam, Thailand, Malaysia, Indonesia, Australia, China, Germany, France, Italy, Portugal etc. The products are offered as per required specifications and in correct shape and size in mm or meshs or microns as specified by the buyer.
The participating units have one or more accreditations like FDA - GMP approval; ISO-9001:2008 Certified; "REACH" Pre-registered; ISO-22000:2005; Kosher Certified; Halal Certified; HACCP FSSAI. We offer Commercial Pure & IP BP USP FCC Food Grade ACS AR Analytical Reagent Grades of Chemicals
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Zinc Carbonate USP Manufacturers

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Zinc Carbonate
Technical & Pure, Basic Zinc Carbonate
Also IP BP Ph. Eur. USP ACS AR LR FCC

Zinc Carbonate

Specifications of Commercial Grade Zinc Carbonate:

Particulars ----- Specification ----- Observation
Zinc Content ---- 55% minimum ------- 57.4%
Iron ------------ 0.02% maximum ----- Complies
Heavy Metals ---- 0.02% maximum ----- Complies

Zinc Carbonate USP

Zinc Carbonate USP
3Zn(OH)2·2ZnCO3 549.01
Basic zinc carbonate.
Zinc subcarbonate [3486-35-9]
Zinc Carbonate contains the equivalent of not less than 70.0 percent of ZnO.

Packaging and storage— Preserve in tight containers.
Identification— A solution of it in a slight excess of hydrochloric acid responds to the tests for Zinc.
Insoluble matter— Dissolve 10-g Zinc Carbonate in a mixture of 100 mL of water and 7 mL of sulfuric acid, and heat on a steam bath for 1 hour. Filter the solution through a tarred sintered-glass crucible, wash with hot water, dry the crucible at 105 , cool, and weigh: the residue weighs not more than 20 mg (0.02%).
Chloride— A 1.0-g Zinc Carbonate dissolved in a mixture of 20 mL of water and 3 mL of nitric acid shows no more chloride than corresponds to 0.03 mL of 0.02 N hydrochloric acid (0.002%).
Sulfate— Dissolve 10.0-g Zinc Carbonate in a mixture of 75 mL of water and 10 mL of hydrochloric acid, and filter. Neutralize the filtrate with ammonium hydroxide, dilute with water to 100 mL, and mix. To 10.0 mL of this solution add 1 mL of 0.6 N hydrochloric acid and 1 mL of barium chloride TS, mix, and allow to stand for 10 minutes. This test solution shows no more turbidity, if any, than that produced in a solution containing 0.10 mL of 0.02 N sulfuric acid and the same quantities of reagents used to prepare the test solution (0.01%).
Iron— Dissolve 1.0-g Zinc Carbonate in 20 mL of water and 3 mL of hydrochloric acid: the limit is 0.002%.
Lead—: the limit is 5 ppm.
Substances not precipitated by ammonium sulfide— Dissolve 1.0-g Zinc Carbonate in 10 mL of water and 2 mL of sulfuric acid, dilute with water to 80 mL, add 10 mL of ammonium hydroxide, and pass hydrogen sulfide through the solution for about 30 minutes. Dilute with water to 100 mL, and allow the precipitate to settle. Decant the supernatant through a filter, and transfer 50 mL of the clear filtrate to a tarred dish, evaporate to dryness, ignite, gently at first and finally at 800 ± 25 , cool, and weigh: the weight of the residue does not exceed 2 mg (0.4%).
Assay— Transfer about 2.0 g of Zinc Carbonate, accurately weighed, to a 125-mL conical flask, add 50.0 mL of 1 N sulfuric acid VS, and swirl to dissolve. Add 3 drops of methyl orange TS, and titrate with 1 N sodium hydroxide VS to a yellow endpoint. Each mL of 1 N sulfuric acid consumed is equivalent to 40.69 mg of ZnO.

Manufacturers:

MUBY CHEMICALS
Ambernath Mumbai, Ankleshwar Gujarat, India
TEL: (OFFICE) 91-22-23770100, 91-22-23774610
Current Date Time in India GMT+5:30 hours

e-mail: info@mubychem.com

USA & Canadian Customers may
e-mail: usa@mubychem.com
Call toll-free 1-844-682-9243 (1-844-MUBYCHEM)

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Last 11 April, 2017

List of All the IP BP USP FCC ACS Grades of Chemicals
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Ammonium Molybdate Ammonium Sulfate
Aluminum Chloride Benzyl Alcohol
Borax; Sodium Borate Boric Acid
Calcium Acetate Calcium Chloride
Calcium Gluconate Calcium Hydroxide
Calcium Lactate Calcium Oxide
Calcium Saccharate Calcium Sulfate
Chromic Chloride Citric Acid
Calcium Citrate Copper Gluconate
Copper Sulfate, Cupric Sulphate Cupric Chloride
Ferrous Fumarate Ferrous Gluconate
Fumaric Acid Ferrous Sulphate
Ferric Sulfate Ferric Ammonium Citrate
Ferric Chloride  
Gentian Violet Mannitol
Magnesium Chloride Magnesium Gluconate
Magnesium Lactate Dihydrate Magnesium Sulfate
Magnesium Trisilicate Maleic Acid
Malic Acid BP USP Manganese Gluconate
Manganese Sulfate Manganese Chloride
Methylene Blue Potassium Bromide
Potassium Chloride Potassium Gluconate
Potassium Bitartrate, Cream of Tartar Potassium Hydroxide
Potassium Iodide Potassium Iodate
Potassium Sorbate Sodium Acetate
Sodium Bicarbonate Sodium Butyrate
Sodium Caprylate Sodium Fluoride
Sodium Gluconate Sodium Hydroxide Pellets
Sodium Iodide Sodium Lactate
Sodium Perborate Sodium Propionate
Sodium Thiosulfate Sodium Sulfate
Stannous Chloride Dihydrate Zinc Carbonate
Zinc Chloride Zinc Gluconate
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