changsha cochem co.,ltd

manufacture(3)
manufacture & trader(1)

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copper sulphate pentahydrate
Specification: copper sulphate pentahydrate
Detail: copper sulphate pentahydrate Fertilizer grade Cu:24.5% min purity:97% min Fe:100 ppm max Pb:10 ppm max Feed Grade purity:98.5% min Cu:25% min Pb:10 ppm max Cd:10 ppm amx As:5 ppm amx

sodium sulphite anhydrous
Specification: sodium sulphite anhydrous
Detail: sodium sulphite anhydrous purity:96% min Free Alkali:0.4% max Water Insouble matter:0.05% max Fe:0.02% max

zinc sulphate hepthaydrate
Specification: zinc sulphate heptahydrate
Detail: zinc sulphate heptahydrate granular fertilizer grade 2-4mm zn:21% min PB/Cd/As:20 ppm max sulphur:10.5% min packing:25kg p.p woven bag

zinc sulphate monohydrate
Specification: zn:33.5%min Granular
Detail: Zinc sulphate monohydrate granular fertiizer grade Size:2-4MM Zn:33.5%-34% min PB/Cd/As:20 ppm max Sulphur:17% min


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