Study on Gold (I) Extraction from Containing Gold Polysulfide Solution with the Mixed Solvent of N_(1923)-TBP;

Study on gold (I) extraction from containing gold polysulfide solution with amine alkyl extractants;

Determination of the total concentration of polysulfide ions in the polysulfide solution of gold leaching;

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.

It is proposed that polysulfides, such as S2, Sn, Sn are formed during water quenching of calcines at high te.

Two carbamoyl-containing polysulfides,coded as bis[(dibutylcarbamoyl)methyl] polysulfide and bis[(diisoctylcarbamoyl)methyl] polysulfide for BDBS and BDIOS respectively,were synthesized.

In this paper,the recent developments,synthetic situation and bioactivity of alicyclic polysulfides are reviewed comprehensively in order to find a simpler and more effective synthesis method.