|
 Special Cyano Complex
Calcium ferrocyanide E 538
Chemical name/synonyms:
Calcium ferrocyanide/ Yellow prussiate of lime, calcium hexacyanoferrate.
Chemical Formula:Ca2Fe(CN)6·12H2O Molecular Weight:508.29
CAS No.: 13821-08-4 EINECS No.: 237-508-9
Functional Class: Anticaking agents.
Description:This product is a yellow crystal .It will decompose when it is scorching hot.It is soluble in water,insoluble in alcohol.It is used to remove metal impurities in the manufacture of citric acid ,tartaric acid and other acids.
purity criteria
| Item |
E538 Standard |
Assay[Ca2Fe(CN)6·12H2O],% ≥ |
99.0 |
Free moisture,% ≤ |
1 |
Water-insoluble matter,% ≤ |
0.1 |
Chloride(CL),% ≤ |
0.2 |
Sulphate(SO4),% ≤ |
0.1 |
Lead(Pb), mg/kg ≤ |
5 |
Free cyanide |
Not detectable. |
Ferricyanide |
Not detectable. |
Packing: 25 kg/cardboard barrels or according to customer requirement.
Storage:keep it in a dry and sealed.
|
