Customization: | Available |
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CAS No.: | 7446-20-0 |
Certification: | CE, RoHS, ISO |
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For high-quality Zinc Sulfate, trust Nanjing Jiayi Sunway Chemical Co., Ltd. for all your chemical needs.
Usage: Our food grade sodium metabisulfite is versatile, serving as food additives, animal feed, printing and dyeing agent, and timber preservative. It is also commonly used as an analytical reagent.
Packing: Each 25kg bag is meticulously packed with a polythene inner layer and a durable compound plastic woven outer layer to ensure product integrity.
Storage and Transport: To maintain quality, store in a dry, ventilated warehouse, away from water and moisture during transport. Handle with care to prevent bag damage and store separately from poisonous substances.
Index | Specification | GB25579-2010 | FCC,1996 | ||
content w/% | ZnSO4.H2O | Content | ZnSO4.H2O | 99.0 | 99.0 |
ZnSO4.7H2O | ZnSO4.7H2O | 99.0 | 99.0 | ||
(As), mg/kg ≤ | As | 0.0003 | -- | ||
alkali metal w/% ≤ | Alkali metal | 0.50 | 0.5 | ||
acidity | PH | pass test | normal | ||
(Se), mg/kg ≤ | Se | 0.003 | 0.003 | ||
(Hg), mg/kg ≤ | Hg | 0.0001 | 0.0005 | ||
(Pb), mg/kg ≤ | Pb | 0.0004 | 0.001 | ||
(Cd), mg/kg ≤ | Cd | 0.0002 | 0.0005 |
Belly Wang
Sales Manager
Nanjing Jiayi Sunway Chemical Co., Ltd. is located in Nanjing, known as the ancient capital of the Six Dynasties. Our primary focus is on producing and selling food additives such as Calcium phosphate, Sodium diacetate, acetate, sulfate, citrate, phosphate, sodium alginate, and agar. We have established factories in various cities across China, allowing us to leverage our production capabilities and expand our marketing network. Our dedicated international trade team has fostered strong partnerships with the United States, Southeast Asia, Japan, and Korea. Our commitment is to provide exceptional service, build trust, and achieve mutual benefits for all parties involved.