Ammonium Sulphate Ar, CAS No. : 7783-20-2

We are offering ammonium sulphate ar (nh4)2so4 m.w. 132.13 minimum assay(after drying) 99.5% maximum limits of impurities : insoluble matter 0.001% loss on drying at 100oc 0.1% reaction not less than ph 4.5 non-volatile matter 0.01% chloride(cl) 0.0003% nitrate(no3) 0.001% phosphate(po4) 0.0005% arsenic(as) 0.00002% calcium(ca) 0.001% copper(cu) 0.0002% iron(fe) 0.0002% lead(pb) 0.0002% magnesium(mg) 0.0005% enzyme grade low in heavy metal content. Cas no : 7783-20-2 un no. Nr tariff : 3102 21 00 r : 36 37 38 s : 26 - 36 f :