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Characteristics and Applications of High-Purity Nickel Sulfate
Category: Industry Blog
Published Time: 2025-05-12
Summary: High-purity nickel sulfate: exists in anhydrous, hexahydrate, and heptahydrate forms. Commercial products are mostly hexahydrate, with two variants: α-type and β-type. The former is a blue tetragonal crystal, while the latter is a green monoclinic crystal.
High-purity nickel sulfate: exists in anhydrous, hexahydrate, and heptahydrate forms. The commercial product is mostly hexahydrate, with two variants: α-type and β-type. The former is a blue tetragonal crystal, while the latter is a green monoclinic crystal. It loses six molecules of water of crystallization when heated to 103°C. It is easily soluble in water, slightly soluble in ethanol and methanol. Its aqueous solution is acidic and slightly soluble in acids and ammonia. Toxic! Mainly used in electroplating, it is the primary nickel salt for nickel plating and electroless nickel plating, and is a source of nickel ions. During electroplating, it dissociates into nickel and sulfate ions. In hardening oil production, it is a catalyst for hydrogenation of oils and fats. In the pharmaceutical industry, it is used as a catalyst in the oxidation reaction for vitamin C production. In the inorganic industry, it is used as a main raw material for producing other nickel salts such as nickel ammonium sulfate, nickel oxide, and nickel carbonate. In the dyeing industry, it is used to produce phthalocyanine blue complexing agents and as a coal dyeing agent for reduction dyes. In addition, it can also be used in the production of nickel-cadmium batteries, etc.
Keywords: Characteristics and Applications of High-Purity Nickel Sulfate
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