Using a mixed solution of thiosemicarbazide and ascorbic acid as reducing agent, arsenic is reduced and separated from precipitated copper.
本法使用硫代氨基脲-抗坏血酸作为还原剂，将砷还原同时将铜沉淀分离。
This technology USES a new catalyst to make copper oxidized by air in a dilute sulfuric acid solution and thus to prepare industrial cupric sulfate.
该工艺是使用一种新型铜蚀助剂，使紫铜在稀硫酸溶液中迅速被空气氧化而制备工业硫酸铜。
A new method has been studied for the determination of trace phosphorus in iron, nickel and copper by floatation-extraction spectrophotometry with molybdate and malachite green in acid solution.
研究了在酸性介质中，钼酸盐孔雀绿浮选分光光度法测定铁、镍、铜中痕量磷。
In the acidic aqueous solution of copper sulfate, pyridine-2,3-dicarboxylic acid was synthesized by oxidizing quinoline with sodium chlorate, and the yield of the product could reach 56.4%.
在含硫酸铜的酸性水溶液中，用氯酸钠作氧化剂，氧化喹啉得到2，3-吡啶二甲酸，产率为56·4%；
The coupling action and synchronization of the current oscillation for two copper wire anodes in phosphoric acid solution are studied.
薄膜结构与风环境之间存在着较强的流固耦合作用，并且这种耦合作用往往对薄膜结构的振动起控制作用。
The coupling action and synchronization of the current oscillation for two copper wire anodes in phosphoric acid solution are studied.
薄膜结构与风环境之间存在着较强的流固耦合作用，并且这种耦合作用往往对薄膜结构的振动起控制作用。
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