A new method of determination of trace CNin water was proposed.A thin film of AgS was electrochemically deposited on both sides of a silver coated piezoelectric crystal.The AgS Ag films can react with CN selectively,w...A new method of determination of trace CNin water was proposed.A thin film of AgS was electrochemically deposited on both sides of a silver coated piezoelectric crystal.The AgS Ag films can react with CN selectively,which causes the frequency shifts of the piezoelectric crystal.The frequency shifts are proportional to the concentration of CN in the range of 106~10'g/L.XPS experiments indicated the sensing film was AgiS Ag.A coordination complex Ag-CNwas formed when AgiS Ag film contacted with solution containing CNion.A response mechanism was proposed based on the XPS data.展开更多
Polysiloxane with pendant[60]fulleropyrrolidines was synthesized and used as the stationary phase for capillary gas chromatography for the first time.A preliminary investigation of its property shows that it has an ex...Polysiloxane with pendant[60]fulleropyrrolidines was synthesized and used as the stationary phase for capillary gas chromatography for the first time.A preliminary investigation of its property shows that it has an excellent thermostability and a wide range of allowable operating temperature from 80 degrees C to 360 degrees C.展开更多
文摘A new method of determination of trace CNin water was proposed.A thin film of AgS was electrochemically deposited on both sides of a silver coated piezoelectric crystal.The AgS Ag films can react with CN selectively,which causes the frequency shifts of the piezoelectric crystal.The frequency shifts are proportional to the concentration of CN in the range of 106~10'g/L.XPS experiments indicated the sensing film was AgiS Ag.A coordination complex Ag-CNwas formed when AgiS Ag film contacted with solution containing CNion.A response mechanism was proposed based on the XPS data.
文摘Polysiloxane with pendant[60]fulleropyrrolidines was synthesized and used as the stationary phase for capillary gas chromatography for the first time.A preliminary investigation of its property shows that it has an excellent thermostability and a wide range of allowable operating temperature from 80 degrees C to 360 degrees C.
