Ammonium per sulphate, LABORATORY CHEMICALS

SPECIFICATION
(Ammonium Peroxodisulphate)
(Catalyst for polymerisation of acrylamide)
(NH₄)₂S₂O₈ M.W. 228.19
Minimum assay	99.0%
Maximum limits of impurities :
Water-insoluble matter	0.003%
Acidity (H₂SO₄ )	0.1%
Chloride (CI)	0.0005%
Calcium (Ca)	0.001%
Copper (Cu)	0.0005%
Iron (Fe)	0.0005%
Lead (Pb)	0.001%
Magnesium (Mg)	0.001%
Manganse (Mn)	0.00005%
Potassium (K)	0.02%
Sodium (Na)	0.005%