Food grade potassium chloride, food grade trisodium phosphate, food grade zinc sulfate

Jiangsu Kolod Food Ingredients Co.,Ltd.

ferrous sulfate

七水合物:FeSO4·7H2O ;干燥品:FeSO4·nH2O
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  • PRODUCT DETAIL

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 Specification GB29211-2012 FCC VII
含量, w% 七水合物(FeSO4·7H2O) Content, w% Heptahydrate (FeSO4·7H2O) 99.5-104.5 99.5-104.5
干燥品(FeSO4) Dried (FeSO4) 86.0-89.0 86.0-89.0
铅 (Pb), mg/Kg         ≤ Lead(Pb),mg/Kg               ≤ 2 2
砷 (As), mg/Kg         ≤ Arsenic (As),mg/Kg            ≤ 3 ————
汞 (Hg), mg/Kg        ≤ Mercury (Hg),mg/Kg           ≤ 1 1
酸不溶物(干燥品), w% Acid Insoluble (Dried), w% 0.05 0.05

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