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Easy to make copper hydroxide
The chemical symbol is Cu(OH)2 .
Blue copper hydroxide is made as a precipitate by using stems of pure copper metal in the electrolysis process of a solution of potassium sulfate with potassium chloride in a ratio of 1 to 1 by weight and at a dilute concentration of 10%.
The hydroxide is precipitated because it is insoluble and is separated by filtering or filtration to be used with the solution being reused again to make more hydroxide.
A DC source of 5 to 12 volts and 1 to 10 amps is used, and a powerful transformer is used to withstand work for a long time.
Every 500 grams of copper gives 767.7 grams of copper(II) hydroxide when it is all converted