氰化银

The cyanidation rates of gold, silver and copper were compared with each other under the same reaction conditions by kinetic rotating disk method, and the influences of sulfion on them were discussed.

云南大学化学系，昆明 650091摘要：用旋转圆盘法在相同的实验条件下，对金、银、铜的氰化溶解速率进行比较研究。

The influence of temperature,time,pulp density,oxygen partial pressure,material grade on cyanidation extraction rate was researched.

针对温度、滞留时间、矿浆浓度、氧分压、物料粒度等因素对金氰化浸出率的影响进行了研究，并讨论了黄钾铁矾的生成对银回收率的影响。

"Cyanide process: or MacArthur-Forrest process, Method of extract ing silver and gold from their ores by dissolving them in a dilute solution of sodium cyanide or potassium cyanide."

氰化法：亦称麦克阿瑟－福莱斯特法，是将含金和银的矿石溶解于氰化钠和氰化钾稀溶液中，以提取金和银的一种方法。

Mainly engaged in fine chemicals, chemical reagents precious metals, silver nitrate, the acid chloride, potassium cyanide-gold, Sulfite the salt, molecular Silver, silver, industrial ethanol, chemical reagents sulfuric acid, hydrochloric acid, nitric acid, ethanol and 95 percent ethanol and chemical reagents and other electronic products research and production.

主要从事精细化工，贵金属化学试剂，硝酸银，氯金酸，氰化亚金钾，亚硫酸金盐，分子银浆，银粉，工业无水乙醇，化学试剂硫酸，盐酸，硝酸，无水乙醇，95%乙醇等电子和化学试剂产品研究与生产。

When determine free sodium cyanide in cyanide solution, a positive deviation presents markedly due to dissociation of part complex ions of zinc and copper.

银量法测氰化液中游离氰化钠时铜锌络离子的部分解离造成显著的正偏差。

The major methods involved in this paper are cyanidation,thiocarbamide process,thiocyanate process,thiosulfate process, multi-sulfide process,haloid process,and other reagents procss;the advantages and disadvantages of the methods as well as the suitability of these methods for treating various silver bearing ores are generally analyzed.

综述了国内外关于银浸出技术的各种方法，主要内容包括氰化法、硫脲法、硫氰酸盐法、硫代硫酸盐法、多硫化物法、卤化物法和其他试剂法等，简要分析了各种方法适用的含银矿石及其利弊。

Chemical products containing gold and silver, including gold chloride, gold and potassium cyanide, gold water, silver nitrate, silver oxide, silver chloride, silver iodide, silver bromide, etc.

含金银化工产品：包括氯化金、氰化金钾、金水、硝酸银、氧化银、氯化银、碘化银、溴化银等。

Because of higher heavy metals concentration in leaching solution,the displacement rate of gold and silver with zinc powder is lower.

遂昌金矿采用氰化法处理高铜铅锌金精矿，由于浸出液中重金属含量偏高，在用锌粉置换金和银时置换率偏低，最低时金置换率只有12.66%。

The formulation and operation conditions of cyanide silver plating were introduced, and a blackening agent formulation with jet black finish on silver surface and its post-treatment process were presented.

介绍了氰化镀银配方及操作条件，给出了一种银上着色深的黑化剂配方及其后处理工艺。

The parameters of square-wave plating from cyanide silver bath are selected by Hull cell test, and the optimum pulse duration, duty ratio and average corrent are estimated through combined experiments.

于最佳控制条件下，从氰化镀银溶液中电沉积的镀层，就外观、微观形貌和抗硫能力而言，都优于从同一镀液中用直流电沉积的银层。

But we don't care about Battlegrounds.

但我们并不在乎沙场中的显露。

Ah! don't mention it, the butcher's shop is a horror.

啊！不用提了。提到肉，真是糟透了。