Zinc Sulfate-Zinc Sulfate-网站名称

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Zinc Sulfate

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Zinc Sulfate

1. ZnSO4·7H2O，Molecular Weight:179.47, Solidifying Proportion:1.957g/cm3.It is a colorless acicular or powdery crystal,soluble in water.
ZnSO4·H2O，Molecular Weight:287.56,Solidifying Proportion:3.31g/cm3. It is white liquid powder, soluble in water.
2. Main Use: ZnSO4.7H2O: Used for animal feeding-stuffs additive,Food supplement, Medicine,Printing and dyeing auxiliaries,Water treatment.
ZnSO4.H2O: Used for raise livestock,agriculture and industrial (printing and dyeing, electroplate,coal washing and water treatment).
3. Packaging: Woven outer packaging with inner Polyethylene plastic bags (25KGS/50KGS).

National Standard HG/T2326-2015

Items		Limited
		ZnSO4.H20			ZnSO4.7H2O
		Top Grade	First Grade	Qualified	Top Grade	First Grade	Qualified
Main Content	Zn w/% ≥	35.7	35.34	34.61	22.51	22.06	20.92
	ZnSO4·H2O w/% ≥	98	97	95	-	-	-
	ZnSO4·7H2O w/% ≥	-	-	-	99	97	92
Insolubles w/% ≤		0.02	0.05	0.1	0.02	0.05	0.1
PH (50g/L Solution) ≥		4	4	-	3	3	-
Chloride w/% ≤		0.2	0.6	-	0.2	0.6	-
Pb w/% ≤		0.001	0.005	0.01	0.001	0.005	0.01
Fe w/% ≤		0.005	0.01	0.05	0.002	0.01	0.05
Mn w/% ≤		0.01	0.03	0.05	0.005	0.05	-
Cd w/% ≤		0.001	0.005	0.01	0.001	0.005	0.01
Cr w/% ≤	0.0005	-	-	0.0005	-	-

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