We are offering ammonium ferrous sulphate diammonium iron (ii) sulphate (nh4)2so4feso4.6h2o m.w. 392. Minimum assay (oxidimetric) 98.5% chloride(cl) 0.002% ferric iron(fe) 0.03% lead(pb) 0.003% cas no : 7783-85-9 un no. Nr tariff : 2842 90 90 r : 36 37 38 s : 26 - 36 f : 15more...
We are offering ammonium ferrous sulphate ar diammonium iron (ii) sulphate (nh4)2so4feso4.6h2o m.w. 392.13 assay 99.0-101.0% maximum limits of impurities : insoluble matter 0.003% reaction not less than ph 3.5 chloride(cl) 0.001% copper(cu) 0.002% ferric iron(fe) 0.02% lead(pb) 0more...