... water And ethanol, soluble in acid, liquid ammonium chloride andpotassium cyanide.Usage: Mainly applies to electric plating ... . Application: widely used in glass,pigment,desulfurizer,catalyst,etcPacking: net 25kg in plastic woven bag,or ... in water, soluble in acid, ammonia, ammonium chloride, dissolved in sodium hydroxide to produce blue color ... .10Residue on sieve (300um ) ,≤ %0.10 Copper Oxide 98%