黑色金属硫酸heptahydrate/也超高(全是营养品)

ferrous sulphate TypesName of specs. Heptahydrate Monohydrate FeSO4.7H2O, % ≥ 98 - FeSO4.H2O,% ≥ - 91 Fe, % ≥ 19.7 30 Pb,% ≤ 0.002 0.002 As,% ≤ 0.0002 0.0002 Water insoluble matter,≤ - 0.5 Mesh size(µm) - 95 Mesh size 12-60 - Heptahydrate uses: In industry,it is used to make ferric salt,ink iron oxide red and indigo-blue, as mordant, tanning, water purification, preservative of wood and disinfectant etc. In agriculture, it is for fertilizer, weedicide, pesticide treating wheat smut etc. monohydrate Usage: It is feed additive used as supplement iron which is necessary for poultry growth, also used as making iron oxide red, granule material is good fertilizer, which can effectively improve soil, , remove moss and lichen. It also is used as pesticide for prevention of pathological changes of wheat and fruit tree. Meantime, it is the catalyst making plant green and important for plant absorption. Packing: in plastic lined plastic woven bag of 25kgs.net each.