Nickel Sulfate occurs as a emerald crystal. Nickel alloys are used in making coins and heat exchange items like valve. The Most of nickel is used to make stainless steel as a protective and ornamental coating for less corrosion.
[Molecular Formula] XNiSO4·6H2O , YNiSO4·7H2O. Nickel compounds are used in plating, coloring ceramics, making some batteries, and as chemical reaction catalysts.
Nickel Sulfate grade A product can be used for electroplating or other industry; grade B for storage battery. Most of these nickel compounds have blue or green color. Nickel dissolves in dilute acids slowly but will be passive with nitric acid like iron. Fine nickel powder adsorbs hydrogen and is in the hydrogenation of oils. Nickel is combined with many other elements, including chlorine, sulfur, and oxygen, exist.
Nickel sulfate is used to create a suitable, plated surface for fusing two metal components and works particularly well when that metal is aluminum. [CAS No.] 7786-81-4. The process of layering the nickel onto the surface of the aluminum is known as "brush electroplating," but the nickel itself must be obtained first. Packing: 25，kg N.W. in plastic lined knitted bag. It has properties to form easily a number of alloys. In order to prepare nickel for this process, it is best to form a crystal of nickel sulfate by dissolving nickel carbonate in acid and heating the solution. Some of the metals that nickel can be combined with are iron, copper, chromium, and zinc. Columns used in polyhistidine-tagging, useful in biochemistry and molecular biology, are regenerated with nickel sulfate.
Most of these nickel compounds dissolve easily in water and have a characteristic green or blue color with no characteristic odor or taste. The salt is usually obtained as a by-product of copper refining. It is also produced by dissolution of nickel metal or nickel oxides in sulfuric acid. Approximately 40,000 tonnes were produced in 2005. It is mainly used for electroplating of nickel.
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