Ferrous sulfate
Food grade ferrous sulfate
Chemical name: Ferrous sulfate
카스:7720-78-7
분자식: FeSO4·7황화수소(H2O) (heptahydrate), FeSO4·nH2O (anhydrous)
분자량: 278.01 (heptahydrate), 169.92/223.92 (anhydrous)
속성: Blue-green crystals or granules, 무 취, slightly salty, astringent. It is prone to decomposition in dry air and gradually oxidizes in moist air, forming yellowish-brown alkaline ferric sulfate. The anhydrous form is a white powder that turns blue-green when reacting with water. Insoluble in ethanol. It can coagulate proteins and has astringent and preservative effects.
Our Specification
Table: Technical Indicators of Ferrous Sulfate (GB29211-2012)
| Indicator Name | 사양 |
|---|---|
| 외관 | Gray or bluish-green crystalline granules or powder |
| Ferrous Sulfate, % | Dried: 86-89 Heptahydrate: 99.5-104.5 |
| 비소 (처럼), ppm의 | ≤ 3 |
| 리드 (납), ppm의 | ≤ 2 |
| 수성 (수은), ppm의 | ≤ 1 |
| Acid Insoluble Matter, % (Dried) | ≤ 0.05 |
응용 프로그램: 식품 산업에서, it is used as an iron fortifier, color developer, and processing aid, 기타.
포장: Inner lined with polyethylene plastic bags, outer wrapped in plastic woven bags, each bag with a net weight of 25 kilograms.
Storage and transportation: The packaging should be kept intact. Store in a dry, well-ventilated and clean warehouse, protected from water and moisture. It should be stored separately from toxic substances. The shelf life of this product is two years.