Calcium Hydroxide

Calcium Hydroxide

Test Specification…..BP
Characters It occurs as a white or almost white fine powder.
Identification

Test(A)

 

Test(B)

 

(a)Specified Test. On addition of a further 6 mL of 1 M hydrochloric acid and triturating, the solution becomes colorless.

(b)5ml of the solution gives positive tests for calcium

Solubility Practically insoluble in water.
Matter insoluble in hydrochloric acid Not more than 0.5%
Arsenic Not more than 4 ppm
Carbonates Not more than 5.0%
Chlorides Not more than 330 ppm
Sulfates Not more than 0.4%
Magnesium and alkali metals Not more than 4.0%
Heavy Metals Not more than 20 ppm
Assay Not less than 95.0% and not more than 100.5%
Loss on drying Not more than 2.0%
Assay Not less than 98.5% and not more than 100.5% (dried substances)

Shelf life, Storage and Packing
It should be stored in a segregated area in a cool and ventilated place away from combustible materials. Keep in a tightly closed container, sealed until ready for use. It is packed in 25kg or 50kg HDPE bags or drums as required.

Other
cGMP (FDA) Approved, WHO-GMP, ISO 9001: 2015, ISO14001:2015, ISO18001:2007, FSSC 22000: 2005, FSSAI, Kosher and Halal Certified.

Calcium Hydroxide

Test Specification…..USP
Characters It occurs as a white powder.
Identification

Test(A)

Test(B)

 

(a)Specified Test.

(b) Test for calcium

Solubility Soluble in glycerin and in syrup; slightly soluble in water; very slightly soluble in boiling water; insoluble in alcohol.
Limit of Acid-Insoluble Substances Not more than 0.5%
Magnesium and Alkali Salts Not more than 4.8%
Carbonate Specified Test. The Analysis does not cause more than a slight effervescence
Heavy metals Not more than 20 ppm
Residual Solvents Meets the requirements
Assay Not less than 95.0% and not more than 100.5% of calcium hydroxide

Shelf life, Storage and Packing
It should be stored in a segregated area in a cool and ventilated place away from combustible materials. Keep in a tightly closed container, sealed until ready for use. It is packed in 25kg or 50kg HDPE bags or drums as required.

Other
cGMP (FDA) Approved, WHO-GMP, ISO 9001: 2015, ISO14001:2015, ISO18001:2007, FSSC 22000: 2005, FSSAI, Kosher and Halal Certified.

Calcium Hydroxide

Test Specification…..FCC
Characters It occurs as a white powder.
Identification

Test(A)

 

 

 

Test(B)

 

(a)Mix a sample with from 3 to 4 times its weight of water. The sample forms a smooth magma. The clear, supernatant liquid from the magma is alkaline to litmus.

(b)Specified Test. The resulting solution gives positive tests for calcium

Solubility One-gram dissolves in 630mL of water at 25°, and in 1300mL of boiling water. It is soluble in glycerin and in a saturated solution of sucrose but insoluble in alcohol.
Acid insoluble substances Not more than 0.5%
Arsenic Not more than 3mg/kg
Carbonate Specified Test
Fluoride Not more than 0.005%
Lead Not more than 2 mg/kg
Magnesium and alkali salts Not more than 4.8%
Assay Not less than 95.0% and not more than 100.5% of Ca(OH)2

Shelf life, Storage and Packing
It should be stored in a segregated area in a cool and ventilated place away from combustible materials. Keep in a tightly closed container, sealed until ready for use. It is packed in 25kg or 50kg HDPE bags or drums as required.

Other
cGMP (FDA) Approved, WHO-GMP, ISO 9001: 2015, ISO14001:2015, ISO18001:2007, FSSC 22000: 2005, FSSAI, Kosher and Halal Certified.

Calcium Hydroxide

Test Specification…..ACS
Insoluble in hydrochloric acid Not more than 0.03%
Chloride (Cl) Not more than 0.03%
Sulfur compounds (as SO4) Not more than 0.1%
Heavy metals (as Pb) Not more than 0.003%
Iron (Fe) Not more than 0.05%
Magnesium (Mg) Not more than 0.5%
Potassium (K) Not more than 0.05%
Sodium (Na) Not more than 0.05%
Strontium (Sr) Not more than 0.05%
Assay

Calcium Hydroxide

Calcium Carbonate

 

Not less than 95.0%

Not less than 3.0%

Shelf life, Storage and Packing
It should be stored in a segregated area in a cool and ventilated place away from combustible materials. Keep in a tightly closed container, sealed until ready for use. It is packed in 25kg or 50kg HDPE bags or drums as required.

Other
cGMP (FDA) Approved, WHO-GMP, ISO 9001: 2015, ISO14001:2015, ISO18001:2007, FSSC 22000: 2005, FSSAI, Kosher and Halal Certified.