AMMONIUM CHLORIDE SALAMMONIAC

DESCRIPTION	COLOURLESS CRYSTALS OR WHITE, CRYSTALLINE  POWDER.
SOLUBILITY	FREELY  SOLUBLE  IN  WATER; SPARINGLY SOLUBLE IN ETHANOL (95%).
STANDARD	CONTENT NOT LESS THAN 99.0%  AND  NOT MORE  THAN 100.5% OF NH4Cl CALCULATED WITH  REFERENCE TO THE DRIED SUBSTANCE.
IDENTIFICATION	A  10% AMMONIUM CHLORIDE w/w SOLUTION  GIVES  THE  REACTIONS  OF AMMONIUM SALTS AND OF CHLORIDES.
CLARITY  AND	A 10% w/w AMMONIUM CHLORIDE SOLUTION IS CLEAR &
COLOUR OF SOLN.	COLOURLESS.
pH	BETWEEN 4.5 AND 6.0, DETERMINED IN A 5.0 W/V SOLUTION.
ARSENIC	NOT MORE THAN 4 PARTS PER MILLION.
HEAVY METALS	NOT MORE THAN 10 PARTS PER MILLION.
MAGNESIUM &	NOT MORE THAN 1%.
ALKALI SALTS
IRON	NOT MORE THAN 20 PARTS PER MILLION.
SULPHATE	NOT MORE THAN 150 PARTS PER MILLION.
SULPHATED ASH	NOT MORE THAN 0.1%.
CALCIUM	NOT MORE THAN 200 PARTS PER MILLION.
THIOCYANATE	TO PASS THE TEST.
LOSS ON DRYING	NOT MORE THAN 1%, DETERMINED ON 1 GM BY DRYING IN AN OVEN AT 1050C.

Particulars	BP Specification	Our Typical Product
Dry Basis Assay	99-100.5%	99.9%
Characteristics	Colourless Crystals or white crystalline powder; odourless	White, crystalline powder; odourless
Solubility	Soluble in 2.7 parts of water	Soluble in 2.7 parts of water
Identification	Yields the reactions characteristic of ammonium salts and of chlorides	Yields the reactions characteristic of ammonium salts and of chlorides
Acidity or alkalinity	To conform to specified test	Passes test
Clarity and Colour of Solution	Clear & colourless solution (10% w/v)	Clear & colourless solution (10% w/v)
Calcium	200 ppm	30 ppm
Heavy Metals	10 ppm	Nil
Iron	20 ppm	5 ppm
Bromide and iodide	To conform to specified test	Passes test
Sulphate	150 ppm	20 ppm
Loss on Drying	1%	0.05%
Sulphated Ash	0.1%	0.009%

Particulars	Our Typical Product	USP Specification
Dry Basis Assay	99.9%	99.5-100.5%
pH of 5% Solution	5.3	4.6-6
Sulphated Ash	0.009%	0.1% (residue on ignition)
Heavy Metals as Pb	Nil	0.001%
Loss on Drying	0.1%	0.5% (4 hours on silica gel)
Thiocyanate	Passes test	To pass the test