Electrolytic Preparation of High-Purity Gold-Potassium Cyanide

The practice proves that the three key points i.e. anode solubility, ability to prevent chemical replacement and covering power for the new process can meet the demand of continuous production in batches. Cyanide strike copper plating process can be replaced by the new process completely.

实践证明，该工艺在阳极溶解性、防化学置换及深镀能力这3个关键环节上达到大批量连续化生产的要求，完全可取代氰化预镀铜工艺。

Non-cyanide alkaline copper plating

无氰碱性镀铜

A process of non-cyanide alkaline copper plating

无氰碱性镀铜清洁生产工艺的研究

A new copper plating bath is found which capability is close to cyanide copper plating bath and can be the good substitute of cyanide copper plating bath in actual production.

本课题的目的是研究出一种在性能上与氰化镀铜液相近，并且在实际生产中也能够切实取代氰化镀铜工艺的无氰碱性镀铜工艺。

The process of cyanide copper electroplating is replaced by the proposed process of pyrophosphate electroplating copper on magnesium alloy.

用研究的焦磷酸盐镀铜工艺代替氰化镀铜工艺作为过渡铜镀层的无氰镀工艺。

The results show that the double zine dip process does not need cyanide copper plating for bottom plate;

结果表明，以二次浸锌法进行预处理，无需氰化镀铜打底；

Determination of Trace Cyanide Ion in waste water by Using of Ion Selective Electrode

离子选择电极法测定污水中微量氰根

Measurement of cyanide ion concentration in gold leaching process

金浸出工艺中氰离子浓度测量

Investigation on Cyanide Ion Selective Electrode& Preparation, Evaluation and Application

氰离子选择性电极的研究

DMF in waste water and gas was determined with separation by capillary column and FID detection. Recovery of Methyl Cyanide and DMF from Pharmaceutical Effluent

以气相色谱石英毛细管柱分离、FID检测，测定废水和废气中N′，N－二甲基甲酰胺（DMF）。制药废液中回收乙腈与DMF

This thesis introduces the test and demonstration of checking method of ethanol, methyl cyanide and dichloride methane which are forbidden.

本文确定了药物合成过程中经常使用的有机溶剂（乙醇、乙腈、二氯甲烷）残留量的检测方法。

First, in the flowing composition, compared with the separation efficiency which the different flowing composed, determined finally took the flowing by the water and the methyl cyanide.

首先，在流动相的组成上，比较了不同流动相组成的分离效率，最终确定以水和乙腈作为流动相。

Recovery of Methyl Cyanide and DMF from Pharmaceutical Effluent

制药废液中回收乙腈与DMF

And the test results showed that the quality was the same as the gold plating layer prepared by the cyanide process.

对无氰工艺制得的镀金层进行品质测试并与有氰工艺镀金层作比较，结果表明，二者品质相当。

Leaching gold from ore by the bromination method is a new method in stead of cyanide process.

用溴化法浸取金矿中的金是一种较新的非氰化浸金方法。

Gold leaching of copper-bearing gold ore by ammoniacal cyanide process and its industrial practice

氨氰法从含铜金矿石中提金研究与工业实践

The improvement of gold recovery from gossan type gold ores by cyanide process

铁帽型金矿氰化提金生产过程中提高回收率的措施

The use of partial acidation method in cyanide process with zero discharge

半酸化法在氰化零排放工艺中的应用

The detailed investigation has shown that although gold concentrate powders have a higher proportion of liberated or exposed gold particles, the results obtained by direct leaching them using conventional cyanide process are not very satisfactory.

某些金精粉中单体金和裸露金所占比例虽然较高，但采用常规氰化法直接浸取时，金的浸出率仍然很低。

The present utilize condition of pyrite slag and the affect factors to the cyanide process to reclaim gold and silver were reviewed.

综述了黄铁矿烧渣的利用现状以及氰化法回收烧渣中金银的影响因素。