Ammonium Sulphate AR/ACS 500 Gram

PRODUCT CODE 457815
SYNONYMS __
C.I. NO. __
CASR NO. 7783-20-2
ATOMIC OR MOLECULAR FORMULA (NH4)2SO4
ATOMIC OR MOLECULAR WEIGHT 132.13
PROPERTIES Sublimes. Nonflammable.


PARAMETER LIMIT
Description Colourless crystals / white crystalline powder.
Solubility 10% solution in water is clear and colourless.
Minimum assay (after drying Acidimetric) 99.5%
pH (of 5% solution in water) 5 – 6


MAXIMUM LIMIT OF IMPURITIES
Loss on drying (at 1000C) 0.1%
Residue on ignition 0.005%
Insoluble matter 0.001%
Chloride (Cl) 0.0005%
Nitrate (NO3) 0.001%
Phosphate (PO4) 0.0005%
Iron (Fe) 0.0005%
Heavy metal (as Pb) 0.0005%