Zinc?Sulphate?Heptahydrate?crystal ? Molecular?Formula:ZnSO…
Zinc?Sulphate?Heptahydrate?crystal ? Molecular?Formula:ZnSO4·7H2O CAS#:7446-20-0 EINECS?NO.?:?231-793-3 HS?Code:2833293000 Apperance:White?&?Crystal Quality?standard:?Complying?with?national?standard ?(HG2934-2000),?or?as?customer's?requirement. Zinc?Sulphate?Heptahydrate?(For?Animals?Feeds?Use) Testing ?Items Specification?(ZnSO4·H2O) HG2934-2000 Internal?Standard Purity?ZnSO4·7H2O?content?% ≥ 97.3? 97.5? Zn?content?% ≥ 22.0? 22.0? (?Pb?)?content?% ≤ 0.001? 0.001? (?As?)?content?% ≤ 0.0005? 0.0005? (?Cd?)?content?% ≤ 0.002? 0.001? Fineness?800?um ≥ 95? 95
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