研究了以化学还原法与均匀沉淀法相结合的方法制备纳米铜粉。
The preparation of nanometer copper powder by chemical reduction combined with homogeneous precipitation method is studied.
探索用化学还原法制备纳米铜粉的可行性。
The feasibility of prepared nanometer-scale copper powders by chemical reduction method was studied.
以酸性蚀刻废液为铜源，水合肼为还原剂，采用液相还原法制备纳米铜粉。
Nanometer copper powders were prepared from acidic waste etching solution containing copper using hydrazine hydrate as a reductive agent.
对超声场辅助增强作用下的液相化学还原法制备纳米级铜粉的工艺过程和条件进行了研究。
The preparation of nano-copper powders by chemical reduction were studied under ultrasonic field in the solution.
本发明公开了一种低松比铜粉直接还原发生器及工艺。
The invention discloses a direct reduction generator for copper powder with low apparent density and a process thereof.
还原所得粗碲粉经亚硫酸钠脱硒，盐酸酸洗除杂处理，硒、砷、锡、铜的脱出率分别达到99%、93%、80%、87.5%，得到含碲99.669%的金属碲粉。
After the treatment with NaSO_3 and hydrochloric acid, 99% Se, 93% As, 80% Sn and 87.5% Cu are removed from the raw powdered-tellurium, and the powders of 99.669% te are prepared.
还原所得粗碲粉经亚硫酸钠脱硒，盐酸酸洗除杂处理，硒、砷、锡、铜的脱出率分别达到99%、93%、80%、87.5%，得到含碲99.669%的金属碲粉。
After the treatment with NaSO_3 and hydrochloric acid, 99% Se, 93% As, 80% Sn and 87.5% Cu are removed from the raw powdered-tellurium, and the powders of 99.669% te are prepared.
应用推荐