Jiangsu Kolod Food Ingredients Co.,Ltd.

Mineral sulfate

ferrous sulfate

七水合物:FeSO4·7H2O ;干燥品:FeSO4·nH2O
Product Details

1、Chemical Name: Ferrous Sulfate
2、Molecular Formula : FeSO4·7H2O, FeSO4·nH2O
3、Molecular Weight: Heptahydrate :278.03
4、CAS: Heptahydrate: 7782-63-0; Dried: 7720-78-7
5、Character: Heptahydrate: It’s blue-green crystals or granules, odorless with astringency. In dry air, it’s efflorescent. In moist air, it oxidizes readily to form a brown-yellow, basic ferric sulfate. It’s soluble in water, insoluble in ethanol.
6、Usage: It is used as nutritional supplement(iron fortifier) and fruit and vegetable colorant.
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.

质量指标SpecificationGB29211-2012FCC VII
含量, w%七水合物(FeSO4·7H2O)Content, w%Heptahydrate (FeSO4·7H2O)99.5-104.599.5-104.5
干燥品(FeSO4)Dried (FeSO4)86.0-89.086.0-89.0
铅 (Pb), mg/Kg         ≤Lead(Pb),mg/Kg               ≤22
砷 (As), mg/Kg         ≤Arsenic (As),mg/Kg            ≤3————
汞 (Hg), mg/Kg        ≤Mercury (Hg),mg/Kg           ≤11
酸不溶物(干燥品), w%Acid Insoluble (Dried), w% 0.050.05


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