Nickel (II) carbonate is an inorganic compound, a salt of nickel metal and carbonic acid with the formula NiCO 3 , yellow or green crystals, does not dissolve in water, forms crystalline hydrates .
| Nickel carbonate | |
|---|---|
| Are common | |
| Systematic name | Nickel Carbonate (II) |
| Traditional names | carbon nickel |
| Chem. formula | NiCO 3 |
| Physical properties | |
| condition | yellow or green crystals |
| Molar mass | 118.72 g / mol |
| Density | 4.36; 4.39 g / cm³ |
| Thermal properties | |
| T. melt. | decomp. 300 ° C |
| Like heat resistant. | 86.2 J / (mol · K) |
| Enthalpy of Education | -694 kJ / mol |
| Chemical properties | |
| Solubility in water | 0.0093 25 g / 100 ml |
| Classification | |
| Reg. CAS number | 3333-67-3 |
| PubChem | |
| Reg. EINECS number | |
| Smiles | |
| Inchi | |
| Reg. EC number | 222-068-2 |
| RTECS | QR6200000 |
| UN number | 3288 |
| ChemSpider | |
Content
Getting
- In nature, the mineral occurs hellieryte - NiCO 3 • 6H 2 O.
- Heating nickel chloride with calcium carbonate in a sealed ampoule:
- Effect on a solution of nickel chloride with a solution of sodium bicarbonate saturated with carbon dioxide :
Physical Properties
Nickel (II) carbonate forms yellow or green crystals of trigonal syngony , space group R 3 c , cell parameters a = 0.4597 nm, c = 1.4725 nm, Z = 6.
Not soluble in water. Forms crystalline hydrates of the composition NiCO 3 • n H 2 O, where n = 3, 6.
At temperatures below 22.2 ° C it goes into the antiferromagnetic state.
Chemical Properties
- Decomposes on heating:
Application
- In the ceramic industry as a pigment.
Literature
- Chemical Encyclopedia / Editorial Board: Knunyants I.L. et al. - M .: Soviet Encyclopedia, 1992. - T. 3. - 639 p. - ISBN 5-82270-039-8 .
- Chemistry Handbook / Editorial: Nikolsky B.P. et al. - 3rd ed., rev. - L .: Chemistry, 1971. - T. 2. - 1168 p.
- Ripan R., Chetyanu I. Inorganic chemistry. Chemistry of metals. - M .: Mir, 1972. - T. 2. - 871 p.