Product name: Zinc sulfate

MolecularFormula: ZnSO4·7H2O

CAS No: 7446-20-0

Certificate:ISO9001:2000

Purity:7H2O

Usage:feed processing,activator in latex paper,trace nutrient in animal feeds:fertilizer ingredient,zinc slats;ore floatation,flungicide;water purification.

Name

Zinc sulphate

Kind

Salts

CAS NO.

7446-20-0

MolecularFormula

ZnSO4·7H2O

molecular weight

287.54

Characters

 

Uses

Feed,fertilizer,water treatment,rubber industry and so on

Details

Index Item	Index
	Type I			Type II
	Super Grade	Grade1	Qualified Grade	Super Grade	Grade1	Qualified Grade
Zinc oxide   %≥	99.70	99.50	99.40	99.70	99.50	99.40
Metallic metals (as Zn) %≤	None	None	0.008	None	None	0.008
Lead oxide (as pb)     %≤	0.037	0.05	0.14	-	-	-
Manganic oxide (as Mn) %≤	0.0001	0.0001	0.0003	-	-	-
Copper oxide (as Cu)   %≤	0.0002	0.0004	0.0007	-	-	-
Insolubles in HCL solution%≤	0.006	0.008	0.05	-	-	-
Losses on ignition      %≤	0.2	0.2	0.2	-	-	-
Screening residues (through 45µm mesh)   %≤	0.10	0.15	0.20	0.10	0.15	0.20
Soluble matters in Water %≤	0.10	0.10	0.15	0.10	0.10	0.15
Volatile matters at 105°C %≤	0.3	0.4	0.5	0.3	0.4	0.5
Oilzinc sulfateabsorption  g/100g  ≤	-	-	-	14	14	14
Colour (compared with standard specimen)	-	-	-	Similar	Few	Little
Colour killing ( Compared with standard specimen)           %≥	-	-	-	100	95	90