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《CHEMICAL RESEARCH IN CHINESE UNIVERSITIES》 1994-07
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Preparation of PS-EC Multiple Material Microcapsule Containing TBP and Studies on Its Transferring Cr_2O_7 ̄(2-)

WANG Yu-Jie;BAI Guang-Yue;ZHANG He-Zhe;WU Zi-Sheng(Department of Chemistry,Morrheast Normal University,Changchun,130024) BAO De-Cai(Department of Chemistry,Jinzhou Normal College,Jinzhou)  
PS(polystyrene) and EC(ethyl cellulose) were dissolved with CH_2Cl_2,and PS-EC microcapsule was prepared by means of drying in water.When the tiny pores of the film contain TBP(tributyl phosphate),it shows the function transferring .Cr_2O_7 ̄(2-) We investigated the effect of proportions of PS and EC, the radii of microcapsule,and the concentrations of NaOH and TBP.The results show that the concentration of was dropped down in l0min from 1×10 ̄(-4) mol/L to 1×10 ̄(-7)mol/L under the appropriate conditions.
【Fund】: 国家自然科学基金
【CateGory Index】: TQ320.1
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