zinc sulfate heptahydrate Food Grade

Price: 1
Brand Name:
Model Number:
Country/Region: China
Post Date: Mar 02,2012

Product Description: zinc sulfate heptahydrate Food Grade


Molecular formula  ZnSO4 7H2O
Molecular weight    287.56
Physical and chemical property
White or slight-yellow crystal, loose and no agglomeration, easy soluble in water and slightly dissolvable in alcohol and glycerol, insoluble in liquid ammonia and ketone, tending to lose water molecules of hydration in dry air and become white powder appearance. When the temperature is 280, it will become no water substance and lose all crystal water. When the temperature is above 500, it will decompose.
Relatively density: 1.975
Melting point: 100
Use
As supplement nutriment of food, zinc fortifier.
Characteristic and function

    High purity, easy soluble, quick absorbable for human body. Low content of heavy metal, Pb, Cd, Hg, Cr and As meet with China Inspection and Quarantine Food Standard.

Packaging and transportation
Plastic woven bag lined with plastic film bag. Standard net weight: 25kg or as customers requirement. Avoid moisture during transportation and store.

 

ITEM

INDEX

Type

Premium Grade

Grade I

Zn  %

22.51

22.28

ZnSO4 7H2O %

99

98

Water insoluble  %

0.02

0.05

PH(50g/L solution)

3.0

3.0

Pb  %

0.001

0.002

Fe  %

0.003

0.005

Cd  %

0.001

0.002

Cr %

0.0005

0.001

As %

0.0005

0.0005

Supplier Details:

Tianjin Jingxiangtai Imports & Exports Trade Limited Company

Sales:Mr. ZONGGUO WAN

Contact Phone:86-22-23707567

Main Products:zinc sulphate,zinc borate,calcium hypochlorite,arts and crafts,lamps and light

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User Reviews: zinc sulfate heptahydrate Food Grade