phosphate acetate,magnesium carbonate,magnesium chloride,calcium citrate

Jiangsu Kolod Food Ingredients Co., Ltd.

Zinc Sulfate Heptahydrate

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  • PRODUCT DETAIL

1、Chemical Name: Zinc Sulfate

2、Molecular Formulam: ZnSO4·H2O ; ZnSO4·7H2O

3、Molecular Weight: Monohydrate: 179.44 ; Heptahydrate: 287.50

4、CAS: Monohydrate:7446-19-7 ; Heptahydrate:7446-20-0

5、Character: It is colorless transparent prism or spicule or granular crystalline powder, odorless.Heptahydrate:The relative density is 1.957. Melting point is 100℃. It’s easily soluble in water and aqueous solution is acidic to litmus. It’s slightly soluble in ethanol and glycerin. The monohydrate will loses water at temperatures above 238℃; The Heptahydrate will be effloresced slowly in the dry air at room temperature.

   6、Usage: It is used as nutritional supplement(zinc fortifier) and processing aid. It’s used in milk product, infant food, liquid and milk drinks, grain and its’ products, table salt, soft drinks, maternal formula and coco powder and other flavor nutritional solid drinks.

   7、Packing: It is packed with polyethylene bag as inner layer, and a compound plastic woven bag as outer layer. The net weight of each bag is 25kg.

8、Storage and Transport: It should be stored in a dry and ventilative warehouse, kept away from heat and moisture during transportation, unloaded with care so as to avoid damage. Furthermore, it must be stored separately from poisonous substances.

Specification GB25579-2010 FCC VII
Content,w/% ZnSO4·H2O 99.0-100.5 98.0-100.5
ZnSO4·7H2O 99.0-108.7 99.0-108.7
Arsenic(As),w/%              ≤ 0.0003 ————
Alkalis and Alkaline Earths,w/% ≤ 0.50 0.50
Acidity, 通过试验 Pass Test
Selenium(Se),w/%            ≤ 0.003 0.003
Mercury(Hg),w/%             ≤ 0.0001 0.0005
Lead(Pb),w/%                ≤ 0.0004 0.0004
Cadmium(Cd),w/%            ≤ 0.0002 0.0002

 

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