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Product Deail
Ferric sulfate
【Description】Pale white or light yellow deliquescent powder. Dissolve slowly in water, the aqueous solution due to hydrolysis to form ferric hydroxide colloid or production of basic salt, is reddish brown. Slightly soluble in ethanol, almost insoluble in acetone, ethyl acetate. When heated to 480℃, sulfur trioxide is liberated to become iron trioxide. Relative density (D18)3.097.
|
Test items |
GR |
AR |
CP |
Other |
|
Assay(as Fe) /% |
21.0-23.0 |
21.0-23.0 |
21.0-23.0 |
Custom |
|
Water insoluble /% |
≤0.005 |
≤0.01 |
≤0.02 |
|
| Chloride(Cl) /% | ≤0.001 |
≤0.002 |
≤0.005 |
|
| Nitrate(NO3) /% | Passes test | Passes test | Passes test | |
|
Ferrous(Fe2+) /% |
≤0.01 |
≤0.01 |
≤0.05 |
|
| Arsenic(As) /% | ≤0.000 2 |
≤0.000 5 |
≤0.001 |
|
| Zinc(Zn) /% | ≤0.002 |
≤0.005 |
≤0.02 |
|
| Copper(Cu) /% | ≤0.002 |
≤0.005 |
≤0.01 |
|
|
Alkali and alkaline earth metals (as sulphates) /% |
≤0.05 |
≤0.10 |
≤0.20 |
【Use】Analytical reagent, determination of carbon; Quantitative determination of sugar; Iron catalyst; Mordants; Water purifier.
