| Indirect Determination of CTMAB with Sodium Chloride and Ammonium Thiocyanate by Floatation and Separation of Zinc |
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| 作者姓名： | Quan Min LI* Hai Xin BAI Wen Ying L? College of Chemistry and Environmental Science Henan Normal University Key Laboratory of Environmental Science and Engineering Education Commission of Henan Province Xinxiang |
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| 作者单位： | Quan Min LI*，Hai Xin BAI，Wen Ying L? College of Chemistry and Environmental Science，Henan Normal University，Key Laboratory of Environmental Science and Engineering Education Commission of Henan Province，Xinxiang 453002 |
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| 摘 要： | Cetyl-trimethylammoniumbromide(CTMAB)isaveryusefulcationicsurfactant,sothestudyondeterminationofCTMABassumesgreatimportance.AsmallamountofCTMABisgenerallydeterminedbyspectrophotometrybasingCTMABcombineswithtriazidetoformcoloredbinaryion-associationcomplex1-3.However,thosemethodsofdeterminationofCTMABhavedisadvantagesofsmalllinearrange,needofspecialreagent,determinationinbaseenvironment,etc.Inthispaper,indirectdeterminationofCTMABwithNaClandNH4SCNbyfloatationandseparationofZn(II…
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Indirect Determination of CTMAB with Sodium Chloride and Ammonium Thiocyanate by Floatation and Separation of Zinc |
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| Quan Min LI,Hai Xin BAI,Wen Ying LU.Indirect Determination of CTMAB with Sodium Chloride and Ammonium Thiocyanate by Floatation and Separation of Zinc[J].Chinese Chemical Letters,2003,14(3). |
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| Authors: | Quan Min LI Hai Xin BAI Wen Ying LU |
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| Abstract: | A new method for indirect determination of cetyl-trimethyl ammonium bromide (CTMAB) with NaCl and NH4SCN by floatation and separation of zinc has been studied. The study shows that Zn(II) can associate with NH4SCN and CTMAB to form insoluble ternary ion-association complex, and the precipitate can float on the surface of the liquid phase. A good linear relationship is observed between the floatation yield (E%) of Zn(II) and the amount of CTMAB. On the ground, CTMAB can be indirectly determined by determining E% of Zn(II). The results were satisfactory. |
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| Keywords: | Cetyl-trimethyl ammonium bromide ammonium thiocyanate floatation zinc |
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