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Potassium Ferrocyanide E536

Appearance:Yellow or Lemon yellow crystal.
Synonym:Potassium hexacyanoferrate.
Properties: CAS NO.:13943-58-3; M.F.:K4Fe(CN)6.3H2O;Soluble in water but not in  ethyl alcohol and ether.        

Application:Food grade is mainly used as food additive,such as: anticaking agent in table salt or used to remove heavy metal ions (iron, copper, zinc, etc. ) from wine,soy protein . Industry grade is mainly used to produce iron blue and potassium ferricyanide,or used in paint, printing ink, coloring matter, leather industry, pharmacy, heat treatment of metal, metallurgy and other industries.Chemical reagent (Extra Pure) grade is mainly used in high-tech fields such as microelectronics,aerospace. Pharmaceutical industry is used asflocculant,an achieve the ideal in the process, improve the quality of medicine.

Package:25kg/woven bag,inner with PE bag; 25kg/white kraft bag;one-ton bag or fiber drum.

Specifications:

Items

Specifications

Tech / Industry Grade

Food Grade

E536 / FCC

Purity [K4Fe(CN )6.3H2O]% ≥

99.0

99.0

99.0

Chloride Cl-] % ≤

0.20

0.20

0.10

Water insoluble matter % ≤

0.01

0.01

0.01

Moisture % ≤

0.50

0.30

0.10

Sodium [ Na+% ≤

0.30

0.20

0.10

Hexacyanoferrate (Ⅲ) acid salt %≤


Passed

pass test

Cyanide [ CN-] % ≤


Passed

pass test

Arsenic [ As ]% ≤


0.0001


Sulphate [ SO42-] % ≤



0.10

Lead [ Pb ] % ≤



0.0005

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