China Potassium Hexacyanoferrate (II) Trihydrate for Food, Find details about China Potassium Hexacyanoferrate (II) Trihydrat E, Acs from Potassium Hexacyanoferrate (II) Trihydrate for Food
Item | Industrial Grade | Food Grade | Pharmaceutical Grade | Reagent Grade | |||
Best Grade | First Grade | GR | AR | CP | |||
K4Fe(CN)6 %≥ | 99.0 | 98.5 | 99.0 | 99.0 | 99.5 | 99.5 | 99.0 |
Cl- % ≤ | 0.3 | 0.4 | 0.3 | 0.2 | 0.005 | 0.005 | 0.02 |
As % ≤ | N/A | N/A | 0.0001 | 0.0005 | N/A | N/A | N/A |
Heavy Metal(Pb)% ≤ | N/A | N/A | N/A | 0.002 | N/A | N/A | N/A |
Cyanide(CN )% ≤ | N/A | N/A | Conforms to the standard | Conforms to the standard | N/A | N/A | N/A |
Sulfide(S)% ≤ | N/A | N/A | N/A | 0.01 | N/A | N/A | N/A |
Sulfate(SO4) % ≤ | N/A | N/A | N/A | 0.1 | 0.005 | 0.005 | 0.01 |
Water Insoluble % ≤ | 0.01 | 0.02 | 0.007 | 0.007 | 0.005 | 0.005 | 0.01 |
Na+ % ≤ | 0.2 | N/A | 0.2 | 0.2 | 0.005 | 0.02 | 0.2 |