Xinrongbaofeng Chemical Co. Ltd

Tianjin, China

Specifications : product name zinc sulphate heptahydrate chemical name zinc salt heptahydrate cas no. 7446-20-0 color & physical form white crystalline powder active ingredient znso4.7h2o assay 99 - 102% molecular wt. 287.54 ph 4.0 – 6.0 zn-content min. 21% chloride nmt 0.01% iron nmt 0.005% copper nmt 0.0005% cadmium nmt 0.001% total nitrogen nmt 0.005% heavy metals (as pb) nmt 0.005% loss on drying (105 degree c) 35% - 39%

CAS No. 1310-73-2 FlakesSolid Pearls NaOH (%min) 96 98 99 96 99 Na2CO3 (%max) 1.0 0.9 0.8 1.0 0.8 NaCl (%max) 3.2 0.05 0.05 3.2 0.05 Fe2O3 (%max) 0.008 0.005 0.005 0.008 0.005 FlakesPearls: 1)in 25kg *****25MT20'FCL. 2)in 1kg plastic bags, with 12 bags into each 12kg carton.