DiCalcium Phosphate Anhydrous BP

TESTS

SPECIFICATION

Description

White or almost white, crystalline granules

Solubility

Practically insoluble in water & ethanol it dissolves in dilute hydrochloric acid and dilute nitric acid

Clarity of Solution

Clear & Colorless

Identification A,

B&C

Pass the test

Loss on ignition (800-825 C)

6.6ï8.5%

Carbonate

No effervescence should be produced

Sulfates

Max 0.5%

Acid insoluble matter

Max. 0.2%

Acidity/Alkalinity

NMT 0.3 ml of 0.01 M HCl or 0.01 M NaOH is required

Iron

Max 400 ppm

Assay (on dry basis)

98.0% to 103.0%

Chloride

Max 0.25%

Heavy Metals

Max 40 ppm

Fluoride

50 ppm

Barium

No turbidity produced

Mono Calcium & Tri Calcium Phosphate

11.0-12.5 ml

Arsenic

Max. 10 ppm