photographic material yellow prussiate of potash 99.5%
1. Product Description1)Commodity: Potassium FerrocyanideCAS No.: 13943-58-3,14459-95-1Molecular Weight: 422.39Molecular Formula: K4Fe(CN)6.3H2OProperties: yellow crystal, soluble in waterStandard: HG/T 2963-1999 Technical grade GB1899-84 Food grade2)Specifications: Items | Specifications |
Tech 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 | Passed |
Cyanide [ CN- ] % ≤ | | Passed | Passed |
Arsenic [ As ] % ≤ | | 0.0001 | |
Sulphate [ SO42- ] % ≤ | | | 0.10 |
Lead [ Pb ] % ≤ | | | 0.0005 |
3)Applications:1)Food grade is mainly used as food additive, such as: anticaking agent in table salt or to remove heavy metal ions (iron, copper, zinc, etc.) from wine, soy protein...
2)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.
3)Chemical reagent grade is mainly used in high-tech fields such as microelectronics, aerospace. 4)Pharmaceutical industry is used as flocculant, can achieve the ideal in the process, improve the quality of medicine.2.Package and shipment1)Package: 1)25kg net packed in kraft bag or woven bag
2)1000kgs bag or as customer's demands2)Loading capacity: 25mts/20'FCL without pallets3)Shipment: Prompt shipment usually 5-7 days upon the confirmation of order.


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