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food grade ferrous sulfate heptahydrate ferrous supplement
  • food grade ferrous sulfate heptahydrate ferrous supplement
  • food grade ferrous sulfate heptahydrate ferrous supplement
  • food grade ferrous sulfate heptahydrate ferrous supplement
  • food grade ferrous sulfate heptahydrate ferrous supplement
  • food grade ferrous sulfate heptahydrate ferrous supplement
Payment Type: L/C,T/T,D/P,Paypal,Money Gram,Western Union
Terms of Trade: FOB,CFR,CIF,FCA,CPT
Min. Order: 1000 Kilogram
Delivery Time: 7 Days
Packaging: 25kg bags
Productivity: 30000MTs/year
Brand: KOLOD
Transportation: Ocean,Land,Air
Place of Origin: China
Supply Ability: 30000MTs/year
Certificate: ISO9001,ISO14001,ISO22000
HS Code: 28332910
Port: Lianyungang,Shanghai,Qingdao
Basic Info

Model No.: Food grade

Product Description

Iron(II) sulfate (British English: iron(II) sulphate) or Ferrous Sulfate

Medical use: Iron supplement

Molecular Weight: 169.9229

Molecular formula: FeSO4.H2O

CAS No.: 13463-43-9

EINECS: 231-753-5

HS Code: 28332910

Melting point: 64 centigrade

Boiling point: 330centigrade at 760 mmHg

Content: 86-89 percent dried basis FeSO4

DESCRIPTION

Ferrous Sulfate, Dried, occurs as a gray-white to buff colored powder consisting primarily of FeSO4·H2O, with varying amounts of FeSO4·4H2O. It dissolves slowly in water, but is insoluble in alcohol.

Function Nutrient.

REQUIREMENTS

Identification A sample gives positive tests for Ferrous Salts (Iron) and for Sulfate, Appendix IIIA.

Assay Not less than 86.0% and not more than 89.0% of FeSO4.

Insoluble Substances Not more than 0.05%.

Lead Not more than 2 mg/kg.

Mercury Not more than 1 mg/kg.

TESTS

Assay Determine as directed under Assay in the monograph for Ferrous Sulfate. Each milliliter of 0.1 N ceric sulfate is equivalent to 15.19 mg of FeSO4.

Insoluble Residue Dissolve 2 g of sample in 20 mL of freshly boiled 1:100 sulfuric acid, heat to boiling, and then digest in a covered beaker on a steam bath for 1 h. Filter through a tared filtering crucible, wash thoroughly, and dry at 105°. The weight of the insoluble residue does not exceed 1 mg.

Lead Determine as directed in the monograph for Ferrous Gluconate.

Mercury Determine as directed in Method II under Mercury Limit Test, Appendix IIIB.

Packaging and Storage Store in tight containers.

Jiangsu Kolod Food Ingredients Co., Ltd.

  Jiangsu Kolod Food Ingredients Co., Ltd. is a leading manufacturer of high-purity chemicals in China. We produce phosphates, sulfates, chlorides, citrates etc. mainly food and pharma grade. We have passed ISO 9001, ISO 14001, ISO 22000, KOSHER, HALAL, GMP, FDA certifications. There are 12 workshops in our factory, and we produce dozens of products. Our production capacity is 200,000MTs/year. With stable and superior quality, we have been authorized supplier of Coca-cola, Nestle, Mars Group, Brenntag for years.

Company Info
  • Company Name: Jiangsu Kolod Food Ingredients Co., Ltd.
  • Product/Service: Chemical Raw Materials , Organic Chemicals , Inorganic Salt , Food Additive , Feed Additive , Chemical Fertilizer
  • Contact Person: Mr. Tom
  • Tel: 86-518-85110858
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