Slaked Lime or Hydrated Lime or Calcium Hydroxide Commercial & BP Ph Eur USP IP Manufacturers
Muby chemicals, is the flagship company in Mubychem Group, established in 1976, It has several manufacturing units in its wings, making Inorganic Chemicals including Slaked Lime or Hydrated Lime or Calcium Hydroxide, Pharmaceutical Excipients & Flavour Chemicals in India. Mubychem Group has manufacturing facilities spread across Western India and sales purchase agents in several countries. The associated manufacturing units are accredited with certifications like FDA cGMP and GLP Approval, ISO-9001 ISO-14001, ISO/IEC 17025, ISO-22000, FSSC 22000, ISO 45001, Certification, "REACH" registration, Kosher, Halal & HACCP Certification.
We are chemical supplier exporter to almost every country and have a representatives in major business areas. We serve from small packs to container loads. CAS Number 1305-62-0
Calcium Hydroxide Pure,ACS Reagent FCC Food Grade Manufacturers.
Specifications & Grades of Hydrated Lime or Slaked Lime or Calcium Hydroxide:
Grades A1++ A1+ % of available lime as Ca(OH)2 <96±1 +94 Active CaO(%) +72.5 +71 Acid insolubles (max.)% 0.1 0.2 Iron 150 PPM 200 PPM Alumina In traces In traces Magnesia as MgO (max.)% 0.5 0.55 Mesh (BSS) 500 400 Calcium Hydroxide BP Ph Eur Grade Specifications
Ca(OH)2 -- 74.1
Preparation
Calcium Hydroxide SolutionDEFINITION
Content
95.0 per cent to 100.5 per cent.CHARACTERS
Appearance
White or almost white, fine powder.
Solubility
Practically insoluble in water.TESTS
Matter insoluble in hydrochloric acid
Maximum 0.5 per cent.
Dissolve 2.0 g in 30 ml of hydrochloric acid. Boil the solution and filter. Wash the residue with hot water. The residue weighs a maximum of 10 mg.
Carbonates
Maximum 5.0 per cent of CaCO3.
Chlorides
Maximum 330 ppm.
Sulphates
Maximum 0.4 per cent.
Arsenic
Maximum 4 ppm.
Magnesium and alkali metals
Maximum 4.0 per cent calculated as sulphates.
Heavy metals
Maximum 20 ppm.
ASSAY
To 1.500 g in a mortar, add 20-30 ml of water R and 0.5 ml of phenolphthalein solution. Titrate with 1 M hydrochloric acid by triturating the substance until the red colour disappears. The final solution is used in the tests for carbonates.
1 ml of 1 M hydrochloric acidis equivalent to 37.05 mg of Ca(OH)2.
Calcium Hydroxide USP Ca(OH)2 Grade Specifications
Calcium Hydroxide; LimeCa(OH)2 -- 74.09
Calcium hydroxide CAS 1305-62-0Calcium Hydroxide contains not less than 95.0 percent and not more than 100.5 percent of Ca(OH)2.
Limit of acid-insoluble substances Dissolve 2.0 g in 30 mL of 4 N hydrochloric acid, and heat to boiling. Filter the mixture, wash the residue with hot water, and ignite: the weight of the residue does not exceed 10 mg (0.5%).
Carbonate Mix 2 g with 50 mL of water: the addition of an excess of 3 N hydrochloric acid to the mixture does not cause more than a slight effervescence.
Heavy metals Dissolve 2.0 g in 20 mL of 3 N hydrochloric acid, and evaporate on a steam bath to dryness. Dissolve the residue in 20 mL of water, and filter. Dilute the filtrate with water to 40 mL, and to 20 mL of the resulting solution add 1 mL of 0.1 N hydrochloric acid, then add water to make 25 mL: the limit is 20 6g per g.
Limit of magnesium and alkali salts Dissolve 0.50 g in a mixture of 30 mL of water and 10 mL of 3 N hydrochloric acid, and proceed as directed in the test for Magnesium and alkali salts under Calcium Carbonate, beginning with heat the solution, and boil for 1 minute. The weight of the residue does not exceed 12 mg (4.8%).
Assay Transfer about 1.5 g of Calcium Hydroxide, accurately weighed, to a beaker, and gradually add 30 mL of 3 N hydrochloric acid. When the solution is dissolved, transfer it to a 500-mL volumetric flask, rinse the beaker thoroughly, adding the rinsing to the flask, dilute with water to volume, and mix. Pipette 50 mL of the solution into a suitable container, add 100 mL of water, 15 mL of 1 N sodium hydroxide, and 300 mg of hydroxy naphthol blue, and titrate with 0.05 M edentate disodium to a blue endpoint. Each mL of 0.05 M edetate disodium is equivalent to 3.705 mg of Ca(OH)2.
Slaked Lime Manufacturers
Calcium Hydroxide BP USP IP Grade Manufacturers:Muby Chemicals & Associated Cos
BANDEALI BUILDING, CHINCHBUNDER, MUMBAI 400009, INDIA.
TEL: 91-22-23728264. Gujarat & Mumbai India.info(At the Rate i.e. @)mubychem(dot)com
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Last updated 30-aug-22
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