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Calcium Carbonate Specifications of Commercial Pure & BP Ph Eur EP USP IP Analytical Reagent FCC Food Grade Manufacturers & Exporters Please visit Calcium Carbonate USP ACS BP Ph Eur EP JP IP Analytical reagent FCC Food grade Manufacturers our associates world class FDA-GMP approved, ISO-9001 Certified facility Anmol Chemicals Calcium Carbonate CAS Number 471-34-1 Calcium Carbonate USP Grade Specifications: CaCO3 --- 100.09 Carbonic acid, calcium salt (1:1); Calcium carbonate (1:1) --- CAS 471-34-1 DEFINITION Calcium Carbonate, dried at 200C for 4 h, contains calcium equivalent to NLT 98.0% and NMT 100.5% of calcium carbonate (CaCO3). IDENTIFICATION A. Identification Tests - General, Calcium: The addition of acetic acid to it produces effervescence (presence of carbonate), and the resulting solution, after boiling, meets the requirements of the tests. ASSAY Titrimetry: Sample: 200 mg of Calcium Carbonate, previously dried at 200C for 4 h Blank: 100 mL of water and 15 mL of 1 N sodium hydroxide Titrimetric system Mode: Direct titration Titrant: 0.05 M edetate disodium Indicator: 300 mg of hydroxy naphthol blue Endpoint detection: Visual, change to distinct blue Analysis: Transfer the Sample to a 250-mL beaker. Moisten thoroughly with a few mL of water, and add, dropwise, sufficient 3 N hydrochloric acid to dissolve. Add 100 mL of water, 15 mL of 1 N sodium hydroxide, and 300 mg of hydroxy naphthol blue. Titrate with the Titrant. Calculate the percentage of calcium carbonate (CaCO3) in the Sample taken: Result = [(V - B) x M x F x 100]/W V = Sample titrant volume (mL) B = Blank titrant volume (mL) M = titrant molarity (mmol/mL) F = equivalency factor, 100.09 mg/mmol W = weight of the Sample (mg) Acceptance criteria: 98.0% to 100.5% on the dried basis Acid-Insoluble Substances: Sample: 5.0 g Analysis: Mix the Sample with 10 mL of water, and add hydrochloric acid, dropwise, with agitation, until it ceases to cause effervescence, then add water to make the mixture measure 200 mL, and filter. Wash the insoluble residue with water until the last washing shows no chloride and ignite and weigh the residue. Acceptance criteria: NMT 0.2%; the weight of the residue does not exceed 10 mg. Arsenic: To pass the test. NMT 3 ppm Barium: A platinum wire, dipped in the filtrate obtained in the test for Acid-Insoluble Substances and held in a nonluminous flame, does not impart a green color. Iron: To pass the test by Ultraviolet-Visible Spectroscopy. Lead: Sample solution: 1.0 g in 5 mL of water Analysis: To the Sample solution slowly add 8 mL of 3 N hydrochloric acid, evaporate on a steam bath to dryness, and dissolve the residue in 5 mL of water. Acceptance criteria: NMT 3 ppm Limit of Fluoride: To pass the test. Acceptance criteria: NMT 50 ppm Limit of Magnesium and Alkali Salts: To pass the test. Acceptance criteria: NMT 1.0%; the weight of the residue is NMT 5 mg. Mercury: To pass the test. Acceptance criteria: NMT 0.5 ppm Loss on Drying: Dry a sample at 200C for 4 h: it loses NMT 2.0% of its weight. Packaging and Storage: Preserve in well-closed containers. Calcium Carbonate BP Grade Specifications CaCO3 --- 100 Action and use: Antacid. DEFINITION Content: 98.5 per cent to 100.5 per cent (dried substance). CHARACTERS Appearance: White or almost white powder. Solubility: Practically insoluble in water. IDENTIFICATION A. It gives the reaction of carbonates B. 0.2 ml of solution S (see Tests) gives the reactions of calcium TESTS Solution S: Dissolve 5.0 g in 80 ml of dilute acetic acid R . When the effervescence ceases, boil for 2min. Allow to cool, dilute to 100 ml with dilute acetic acid R and filter, if necessary, through a sintered-glass filter. Substances insoluble in acetic acid: Maximum 0.2 per cent. Chlorides: Maximum 330 ppm. Sulphates: Maximum 0.25 per cent. Arsenic: Maximum 4 ppm, determined on 5 ml of solution S. Barium: To 10 ml of solution S add 10 ml of calcium sulphate solution R. After at least 15 min, any opalescence in the solution is not more intense than that in a mixture of 10 ml of solution S and 10 ml of distilled water R. Iron: Maximum 200 ppm. Magnesium and alkali metals: Maximum 1.5 per cent. Heavy metals: Maximum 20 ppm. Calcium Carbonate FCC Food Grade Specifications CaCO3 Formula weight 100.09 CAS: 471-34-1 DESCRIPTION Calcium Carbonate occurs as a fine, white or colorless, microcrystalline powder. It is stable in air, and it is practically insoluble in water and in alcohol. The presence of any ammonium salt or carbon dioxide increases its solubility in water, but the presence of any alkali hydroxide reduces the solubility. Function: pH control agent; nutrient; dough conditioner; firming agent; yeast nutrient. REQUIREMENTS Identification: A sample dissolves, with effervescence, in 1 N acetic acid, in 2.7 N hydrochloric acid, and in 1.7 N nitric acid, and the resulting solutions, after boiling, give positive tests for Calcium. Assay: Not less than 98.0% and not more than 100.5% of CaCO3 after drying. Acid-Insoluble Substances: Not more than 0.2%. Arsenic: Not more than 3 mg/kg. Fluoride: Not more than 0.005%. Lead: Not more than 3 mg/kg. Loss on Drying: Not more than 2%. Magnesium and Alkali Salts: Not more than 1%. Calcium Carbonate Analytical Reagent Specifications Calcium Carbonate CaCO3 Formula Wt 100.09 CAS Number 471-34-1 REQUIREMENTS Assay (dried basis): 99.0% CaCO3 min MAXIMUM ALLOWABLE Insoluble in dilute hydrochloric acid: 0.01% Ammonium hydroxide precipitate: 0.01% Chloride (Cl): 0.001% Sulfate (SO4): 0.0015% Ammonium (NH4): 0.003% Barium (Ba): 0.01% Heavy metals (as Pb): 0.001% Iron (Fe): 0.003% Magnesium (Mg): 0.02% Potassium (K): 0.01% Sodium (Na): 0.1% Strontium (Sr): 0.1% SDS MSDS of Calcium Carbonate BP Ph Eur EP JP USP IP ACS Analytical Reagent FCC Food grade Manufacturers

Crystal Clear Products and the group companies are manufacturing chemicals since several decades. We have automatic vacuum operated titanium evaporators and SS316 equipments to produce top grade of chemical products. We have toll manufacturers and representatives in China, UAE, Europe, Canada & USA and agents & customers in all countries like USA, Canada, Europe, UAE, South Africa, Tanzania, Kenya, Egypt, Nigeria, Uganda, Turkey, Mexico, Brazil, Chile, Argentina, Bangkok Thailand, Kaula Lumpur Malaysia, Dubai UAE etc. & sales representative in Chicago, Houston New York & Los Angeles, USA. Associated units are FDA-GMP certified, Halal and/or Kosher certified, REACH registered, ISO-9001, ISO-22000 HACCP certified, Crisil Rated.

Contact Calcium Carbonate IP BP Ph Eur EP JP USP ACS Analytical Reagent FCC Food Grade manufacturers exporters at:

Crystal Clear Products
Plot No-C1-1031-9, GIDC Estate, Panoli, Ankleshwar, Bharuch, Gujarat - 393002. India
TELEPHONE: (OFFICE) 91-22-23770100, 23726950, 23774610, 23723564. FAX: 91-22-23728264

e-mail: info@crystalclearproducts.org

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