Copper Hydroxide for fungicide 1)Cu(OH)2,96%;Cu,62% 2)Package, ... , dissolved in acid, ammonia and sodium cyanide, heated to 60-80 °C darken, high temperature and then broken down into a ... black copper oxide and water. Reagents for analysis, but also for medicine, pesticide, can be used as catalyst, mordant ... )≥63%Hydrochloric insolubles≤0.5%Ferric≤0.2% Copper Hydroxide for fungicide