Search results
Results From The WOW.Com Content Network
Nickel(II) sulfate, or just nickel sulfate, usually refers to the inorganic compound with the formula NiSO 4 (H 2 O) 6. This highly soluble turquoise coloured salt is a common source of the Ni 2+ ion for electroplating. Approximately 40,000 tonnes were produced in 2005. [1]
nickel(II) sulfite hexahydrate hexagonal 8.794 9.002 603 2.04 emerald green [4] [23] NiSO 3 · 3 H 2 O: nickel(II) sulfite trihydrate light green [24] NiSO 3 •3N 2 H 4 · H 2 O: nickel(II) sulfite trihydrazine hydrate rose [5] NiSO 3 •2N 2 H 4 · H 2 O: nickel(II) sulfite dihydrazine hydrate blue [5] NiS 2 O 3 •6H 2 O Nickel(II ...
With four bromide atoms nickel(II) forms a series of salts called tetrabromonickelates. Nickel iodide NiI 2 is black, also crystallising in the cadmium chloride structure. It can form a green hexahydrate, NiI 2 ·6H 2 O. [3] Nickel iodide has a brown diammine NiI 2 •2NH 3 and a bluish-violet hexammine NiI 2 •6NH 3. [3] Nickel(III) fluoride ...
Potassium Nickel Sulfate Hexahydrate [14] used as UV filter [48] Rb Ni Rb 2 [Ni(H 2 O) 6](SO 4) 2: Rubidium Nickel Sulfate Hexahydrate 6.221 12.41 9.131 106.055° 677.43 001 surface has step growth of 4.6 Å, optical transmission bands at 250, 500 and 860 nm which are the same as nickel sulfate hexahydrate, but UV band transmits more.
Nickel(II) chloride (or just nickel chloride) is the chemical compound NiCl 2. The anhydrous salt is yellow, but the more familiar hydrate NiCl 2 ·6H 2 O is green. Nickel(II) chloride, in various forms, is the most important source of nickel for chemical synthesis. The nickel chlorides are deliquescent, absorbing moisture from the air to form ...
Nickel(II) sulfate is produced in large amounts by dissolving nickel metal or oxides in sulfuric acid, forming both a hexa- and heptahydrate [46] useful for electroplating nickel. Common salts of nickel, such as chloride, nitrate, and sulfate, dissolve in water to give green solutions of the metal aquo complex [Ni(H 2 O) 6 ] 2+ .
The following chart shows the solubility of various ionic compounds in water at 1 atm pressure and room temperature (approx. 25 °C, 298.15 K). "Soluble" means the ionic compound doesn't precipitate, while "slightly soluble" and "insoluble" mean that a solid will precipitate; "slightly soluble" compounds like calcium sulfate may require heat to precipitate.
Other double trichlorides include potassium nickel trichloride KNiCl 3 ·5H 2 O, [62] yellow cesium nickel trichloride CsNiCl 3, [62] lithium nickel trichloride LiNiCl 3 ·3H 2 O, [62] hyrdrazinium nickel tetrachloride, [62] and nickel ammonium chloride hexahydrate NH 4 NiCl 3 ·6H 2 O. [63] The tetrachloronickelates contain a tetrahedral NiCl ...