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Silver Ion-Assisted Ring Expansions in Different Solvent Systems
Carbene bicyclic compound ring opening ring expansion vinylic halide
2010/4/9
Several ring expansion products carrying vinylic bromo functionality were synthesized by opening of the geminal dibromobicyclo[n.1.0]alkanes ring. Dibromocarbene was formed from bromoform and potassiu...
Diphenylthiocarbazone Immobilized on the Triacetyl Cellulose Membrane as an Optical Silver Sensor
Optical sensor Ag+ ions diphenylthiocarbazone
2010/4/16
An optical sensor for the direct measurement of silver was developed. The basic element of this optode is the immobilization of diphenylthiocarbazone on a triacetyl cellulose membrane. This optode has...
A Novel Technique for Silver Extraction from Silver Sulphide Ore
Silver recovery silver extraction thiosulphate leaching
2010/6/27
A novel technique for silver extraction from Ag2S is described. The method utilizes thiosulphate as complexing reagent and the redox reaction between SO2 added as Na2SO3 powder and H2S gas evolved. Th...