molecular formula: MnCO3
CAS: 598-62-9
Appearance:
White powder
Properties:
White amorphous powder. The air is easy oxidation and color becomes shallow brown. The relative density 3.125. Hot to 100 ℃ start decomposing to carbon dioxide and manganese oxide to 300 ℃ above is decomposed into carbon monoxide and manganese oxide of high prices. Insoluble in water and alcohol, soluble in dilute acids.
Use:
Analytics reagents. Enamels, pigment, telecommunications equipment of raw material. Used for manganese salt preparation.
Details:
|
Test item |
Specification |
|
Reagent grade |
|
Appearance |
Conform |
|
Assay [Mn] /% |
44.0-48.0 |
|
Nitric acid not content |
≤0.03 |
|
Chloride (Cl)/% |
≤0.01 |
|
Sulfate (SO4) % |
≤0.02 |
|
Nitrogen compounds (N) /% |
≤0.1 |
|
Iron (Fe) /% |
≤0.005 |
|
Zinc (Zn) /% |
≤0.05 |
|
Heavy metal (Pb) /% |
≤0.004 |
|
Alkali metal and alkaline metal |
≤0.15 |
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