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Cobalt(II) sulfate is used in storage batteries and electroplating baths, sympathetic inks, and as an additive to soils and animal feeds. For these purposes, the cobalt sulfate is produced by treating cobalt oxide with sulfuric acid. [1] Being commonly available commercially, the heptahydrate is a routine source of cobalt in coordination ...
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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.
It is prepared by combining solutions cobaltous sulfate and sodium bicarbonate: CoSO 4 + 2 NaHCO 3 → CoCO 3 + Na 2 SO 4 + H 2 O + CO 2. This reaction is used in the precipitation of cobalt from an extract of its roasted ores. [5] CoCO 3 adopts a structure like calcite, consisting of cobalt in an octahedral coordination geometry. [7]
Blue vitriol – copper(II) sulfate pentahydrate. Green vitriol – a mineral; iron(II) sulfate heptahydrate. (or ferrous sulfate) Red vitriol - cobalt sulfate. [1] Sweet vitriol – diethyl ether. It could be made by mixing oil of vitriol with spirit of wine and heating it. [2] White vitriol – zinc sulfate, formed by lixiviating roasted zinc ...
Cobalt powder reacts with ammonia to form two kinds of nitrides, Co 2 N and Co 3 N. Cobalt reacts with phosphorus or arsenic to form Co 2 P, CoP, [2] CoP 2, [6] CoAs 2 and other substances. [2] The former three compounds are of interest as catalysts for water electrolysis. [6] [7] [8]
Cobalt(II) chloride is an inorganic compound, a salt of cobalt and chlorine, with the formula CoCl 2.The compound forms several hydrates CoCl 2 ·n H 2 O, for n = 1, 2, 6, and 9. . Claims of the formation of tri- and tetrahydrates have not been confirmed
Cobalt(II) hydroxide or cobaltous hydroxide is the inorganic compound with the formula Co(OH) 2, consisting of divalent cobalt cations Co 2+ and hydroxide anions OH −. The pure compound, often called the "beta form" (β-Co(OH) 2) is a pink solid insoluble in water. [2] [3]
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