What is Cobalt hydroxide used for?

Cobalt hydroxide or cobaltous hydroxide is the actinic admixture composed of azure and the hydroxide ion with the blueprint Co(OH)2. It occurs in two forms, either as a rose-red powder, which is the added abiding of the two forms, or as bluish-green powder. It has the brucite or cadmium iodide clear structure.
Uses
Cobalt hydroxide finds use as a dehydration abettor for paints, varnishes and inks, in the alertness of added azure compounds, as a agitator and in the accomplish of array electrodes
Cobalt(II) hydroxide decomposes to cobalt(II) oxide at 168 °C beneath exhaustion and is breakable by air to anatomy cobalt(III) hydroxide, Co(OH)3. The thermal atomization artefact in air aloft 300 °C is Co3O4.
Like iron(II) hydroxide, cobalt(II) hydroxide is primarily a basal hydroxide, although it does anatomy the abominably acerb brownish hexaaquacobalt(II) ion, [Co(H2O)6]2+, in acerb aqueous solutions. In able bases, cobalt(II) hydroxide accepts added hydroxide ions to anatomy aphotic dejected cobaltates(II) [Co(OH)4]2- and [Co(OH)6]
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