With a new attitude, open-mindedness, sincere cooperation and sincere service, we will standardize our operation, develop and innovate, and create greater value for the development of the Oxalates, Food Grade UREA, Feed Grade Potassium Chloride industry. We insist on carrying forward the fine tradition of diligence and hard work, and we will be rigorous and meticulous in the whole process of business management. Our company insists on continuous innovation, taking technology as the core and quality as life to satisfy the clients since its establishment. We have not only gained the favor of consumers, but also won the recognition of many international organizations. We have long-term cooperation with universities and have strong research and development capabilities, and our main products have independent intellectual property rights.
1、Chemical Name: Zinc Sulfate heptahydrate
2、Molecular Formulam: ZnSO4·7H2O
3、Molecular Weight: 287.50
4、CAS: 7446-20-0
5、Character: It is colorless transparent prism or spicule or granular crystalline powder, odorless. 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.,it 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/% | 99.0-100.5 | 98.0-100.5 |
Arsenic(As),w/% ≤ | 0.0003 | ———— |
Alkalis and Alkaline Earths,w/% ≤ | 0.50 | 0.50 |
Acidity, | Pass the test | 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 |
We constantly optimize the industrial structure and improve the scientific and technological content of our Zinc Sulphate 21% Heptahydrate Manufacturer in China, so that we can continue to develop and grow and won a good social reputation. We strive to show our honesty and good corporate image, in order to win and maintain social trust in our company. We have a professional technical service team, put ourselves in the customer's actual situation, save money and effort for customers.
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