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[ÇóÖú] coprecipitation ÒÑÓÐ1È˲ÎÓë

First, an aqueous solution containing appropriate quantities of Ca(NO3)2 and Cu(NO3)2 to obtain a total concentration of metal ions of 1.5M was
prepared.

Subsequently, a 2.0 M solution of Na2CO3 was added slowly to the stirred salt solution to precipitate out CaCO3 and Cu2NO3(OH)3.

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