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1、 29 null 122007M 12武null 汉null 理null 工null 大null 学null 学null 报JOURNALOFWUHANUNIVERSITYOFTECHNOLOGYVol.29null No.12null Dec.2007 , ZnOx 1 V L H q 刘桂珍,周 null 建( q v / S E L i , q 430070)K null 1 : null 纳米 ZnO是一种新型的功能精细无机化工材料,具有广泛的应用b比表面积是其应用中的一项重要指标b采用气体吸附法测定纳米ZnO的比表面积b研究了测试条件对结果的影响,并确定了较理想测定条件:样品重量0.
2、 3null0.5 g,脱气温度250 ,脱气时间 2 hb1 o M : null 纳米ZnO; null 比表面积; null 气体吸附法; null 实验条件 m s | : null TQ 134.1 D S M : null A c I | : 1671null4431(2007)12null0068null03InvestigatingtheExperimentConditionsofNanometerZnOSpecificSurfaceAreaLIU Guinullzhen, ZHOU Jian(State Key Laboratory of Advanced Technolog
3、y for Materials Synthesis and Processing,Wuhan University of Technology, Wuhan 430070, China)Abstract:null As one of theadvanced functional inorganicpower materials, nanometer ZnO has extensiveapplication fields. Thespecific surfacearea is considered tobea big factors for its application. In this pa
4、per, thegas adsorption method was adopted tomeasure ZnO specificsurface area, and the influences of different testing conditions on the results were studied. It was foundthat optimal testing condition is that sampleweight, degas temperatureand degastimeare0.3null 0.5 g, 250 , 2 h respectivenullly.Ke
5、ywords:null nanometer ZnO; null specificsurface area; null gas absorption; null test conditionl :2007null09null10. : 8 1 S ( 2006ABA307,2006ABA312,2006ABA316) .T e : I ( 1966null) ,o , V , = .Enullmail:gzliu 126. com, ZnO B ? % , 1 null 100 nm, 0 j l a1 V v , y 7 A V r a 0 j r a8 r 4 0 r # i a s + ,
6、 a; a3 Z V C + s ? , a a ap aj a ( L a; 0 # 5 I , : , ZnOx 1 V L H q null null null null null null null null null3.3null Y ) , 1 P $ k V , v 8 bs - , T $ ) , T | v b P , , T 9 bV 3 / k 1 V T b M H W , r 250 H , T X b 6 300 H ,1 V / ,V ? x M , C v C bV 3null 1 V T Y ( H W 2 h) / 150 200 250 3001 V /
7、(m2!g- 1) 23. 915 4 27.715 5 25.354 2 32.709 2 30. 104 03.4null H W YV 4 200 250 H , H W / 1 V T b T V A , M / , H W T Y A , , 4 2 h R bV 4null H W 1 V T Y H W /h 0.5 1 2 3 3. 51 V / (m2!g- 1)200 25.062 4 25.788 4 25. 354 2 26. 821 4 27. 663 2250 27.532 1 32.709 0 32. 601 9 31. 623 3 32. 569 94null
8、null 8 E , ZnOx 1 V , , ZnOx d , / r H , 8 b - , T , ZnOx ) , T L = v Y b L T , , ZnOx 1 V X L H q : 0.3 null 0. 5 g, 250 , H W 2 hb I D 1 null null , Y . , 3 Z J . % # W 8 , 2006, 12: 19null22. 2 null f , . 8 E m F 1 V J . , 2000, 14( 1) :64null65. 3 null , null , R 9 ) . null , , , .4 ,4null ( 3nu
9、ll & ) = & + J . T , 1998,(4): 209null211. 8 null Tamai S, OhkawaY,Yamaguchi.Aromatic Thermotropic Liquid Crystalline Polymers from 1,3nullbis4null(4nullaminophenoxy)nullnull,nullnulldimethylbenzyl BenzeneJ. Polymer, 1997, 38(16) :4079null4084. 9 null Nadia Ahmed Mohamed, Abeer Obaid Hamad Alnulldos
10、sary. Structurenullproperty Relationships for Novel Wholly AromaticPolyamidenullhydrazides Containing Various Proportions of Paranullphenyleneand Metanullphenylene Units J. Europen Polymer Journullnal, 2003,(39) :739null750. 10 null Biware M V,Ghatge N D. Studies in PiperazineContaining Poly(Sulphonenullamide)s for Usein Water Desalination J. Desalinullnation, 1995,(101): 93null100. 11 null Wingnullhong Chan,Suei Yee Lamnullleung. Synthesis and Characterization of
