Trinickel tetrahydroxide carbonate is an inorganic compound, the crystalline hydrate of the basic salt of nickel and carbonic acid with the formula Ni 3 (OH) 4 CO 3 • 4H 2 O, emerald green crystals, does not dissolve in water.
| Trinickel tetrahydroxide carbonate | |
|---|---|
| Are common | |
| Systematic name | Trinickel tetrahydroxide carbonate |
| Traditional names | Nickel carbonate, osposnoy; nickel hydroxocarbonate tetrahydrate |
| Chem. formula | CH₄Ni₃O₇ |
| Rac formula | Ni 3 (OH) 4 CO 3 • 4H 2 O |
| Physical properties | |
| condition | emerald green crystals |
| Molar mass | 376.18 g / mol |
| Density | 2.6; 2,649 g / cm³ |
| Thermal properties | |
| T. | 100 ° C |
| Optical properties | |
| Refractive index | 1.56; 1.61 |
| Classification | |
| Reg. CAS number | |
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| Reg. EINECS number | |
| SMILES | |
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Content
Getting
- In nature, the mineral occurs zaratit - Ni 3 (OH) 4 CO 3 • 4H 2 O with magnesium impurities [1] .
- The reaction of sodium carbonate and nickel sulfate :
Physical Properties
Trinickel tetrahydroxide carbonate forms emerald green cubic crystals, cell parameters a = 0.615 nm, Z = 1.
Not soluble in water.
At 100-130 ° С, it loses water, and at 260-400 ° С it completely decomposes.
Application
- For electrolyte cleaning in nickel refining .
- For obtaining nickel salts and nickel-containing catalysts .
- Pigment for ceramics and glass .
Notes
Literature
- Chemical Encyclopedia / Redkol .: Knunyants I.L. et al. - M .: Soviet Encyclopedia, 1992. - Vol. 3. - 639 p. - ISBN 5-82270-039-8 .
- Chemist Handbook / Redkol .: Nikolsky B.P. et al. - 3rd ed., Rev. - L .: Chemistry, 1971. - T. 2. - 1168 p.
- Chemical Encyclopedic Dictionary / Redkol .: Knunyants I.L. et al. - M .: Soviet Encyclopedia, 1983. - 792 p.