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2. Nickel(II) sulfate - Wikipedia

   en.wikipedia.org/wiki/Nickel(II)_sulfate

   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 .

3. Nickel compounds - Wikipedia

   en.wikipedia.org/wiki/Nickel_compounds

   Nickel compounds are chemical compounds containing the element nickel which is a member of the group 10 of the periodic ... Heating nickel sulfate dehydrates it, and ...

4. Nickel oxyacid salts - Wikipedia

   en.wikipedia.org/wiki/Nickel_oxyacid_salts

   Heating nickel sulfate dehydrates it, and then 700° it loses sulfur trioxide, sulfur dioxide and oxygen. Nickel sulfite can be formed by bubbling sulfur dioxide through nickel carbonate suspended in water. A solution is formed that slowly loses sulfur dioxide, and which crystallises nickel sulfite hexahydrate.

5. Nickel - Wikipedia

   en.wikipedia.org/wiki/Nickel

   Nickel(II) forms compounds with all common anions, including sulfide, sulfate, carbonate, hydroxide, carboxylates, and halides. 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.

6. Nickel double salts - Wikipedia

   en.wikipedia.org/wiki/Nickel_double_salts

   As a mineral the ammonium nickel salt, (NH 4) 2 Ni(SO 4) 2 · 6 H 2 O, can be called nickelboussingaultite. [2] With sodium, the double sulfate is nickelblödite Na 2 Ni(SO 4) 2 · 4 H 2 O from the blödite family. Nickel can be substituted by other divalent metals of similar sized to make mixtures that crystallise in the same form. [3]

7. Tutton's salt - Wikipedia

   en.wikipedia.org/wiki/Tutton's_salt

   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.

8. Nickel organic acid salts - Wikipedia

   en.wikipedia.org/wiki/Nickel_organic_acid_salts

   Nickel maleate can be made from maleic acid and nickel carbonate in boiling water. A dihydrate crystallises from the water solution. [11] Nickel fumarate prepared from fumaric acid and nickel carbonate is pale green as a tetrahydrate, and mustard coloured as an anhydride. It decomposes when heated to 300° to 340° in vacuum.

9. Periodatonickelates - Wikipedia

   en.wikipedia.org/wiki/Periodatonickelates

   The first per­iodato­nickalates discovered were sodium nickel periodate (NaNiIO 6 ·0.5H 2 O) and potassium nickel periodate (KNiIO 6 ·0.5H 2 O). P. Ray and B. Sarma obtained these dark purple double salts in 1949, mixing nickel sulfate with potassium or sodium periodate and (as oxidant) a boiling aqueous solution of an alkali persulfate ...