Iron (II) sulfate heptahydrate (Ferrous sulfate)
Iron (II) sulfate heptahydrate (Ferrous sulfate) TU 20.13.41-609-43100290-2019 Chemical formula: FeSO₄·7H₂O.
Description
Component of food product: Iron (II) sulfate heptahydrate (Ferrous sulfate) TU 20.13.41-609-43100290-2019 Chemical formula: FeSO4 · 7H2O. Guaranteed shelf life of the product is 6 months from the date of manufacture.
Substance properties
Appearance
Crystals
Color
Greenish-blue
Indicator Name
Norm
1 Mass fraction of iron (II) sulfate heptahydrate (FeSO₄·7H₂O), %
99-101
2 Mass fraction of substances insoluble in water, %, not more than
0.01
3 pH of 5% solution, pH units, not less than
3.3
4 Mass fraction of chlorides (Cl), %, no more than
0.002
5 Mass fraction of ferric oxide (Fe +3 ), %, not more than
0.1
6 Mass fraction of arsenic (As), %, not more than
0.0003
7 Mass fraction of copper (Cu), %, not more than
0.005
8 Mass fraction of zinc (Zn), %, not more than
0.01
9 Mass fraction of manganese (Mn), %, not more than
0.05
10 Mass fraction of sodium and potassium (Na+K), %, not more than
0.0005
11 Mass fraction of the sum of calcium and magnesium (Ca+Mg), %, not more than
0.007
12 Mass fraction of silicon (Si), %, not more than
0.01
13 Mass fraction of nickel (Ni), %, not more than
0.01
14 Mass fraction of lead (Pb), %, not more than
0.0005
15 Mass fraction of cadmium (Cd), %, not more than
0.0001
16 Mass fraction of mercury (Hg), %, not more than
0.0001
Appearance
Light green powder
Application
Component of food product iron sulfate is intended for the food industry, including for the production of baby food products. It is used as an additive for enriching food products with iron.
Quality indicators
Indicator
Norm
Color
Greenish-blue
Food additives
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