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Determination of specific surfaces of silica xerogels by SAXS
Li, ZH; Sun, JH; Wu, D; Sun, YH; Liu, Y; Sheng, WJ; Dong, BZ; Liu Y(柳义); Sheng WJ(生文君); Dong BZ(董宝中)
2000
发表期刊CHINESE SCIENCE BULLETIN
卷号45期号:15页码:1386-1390
通讯作者Chinese Acad Sci, Inst Coal Chem, State Key Lab Coal Convers, Taiyuan 030001, Peoples R China ; Chinese Acad Sci, Inst High Energy Phys, Beijing 100039, Peoples R China
文章类型Article
摘要Small angle X-ray scattering (SAXS) with synchrotron radiation as X-ray source has been used to study the structure of silica xerogels prepared by sol-gel process. Both the agreement of SAXS profiles with and the deviation from Pored's law and Debye's theory have been found, showing that there are differences between the structures of these xerogels. The specific surfaces of the samples whose SAXS profiles agreed with Pored's law and Debye's theory have been determined by analyzing SAXS data according to the methods of Porod and Debye, respectively, and the results of both methods used were found to be similar. We have proposed the corresponding Pored and Debye analysis methods to determine the specific surfaces of samples whose SAXS profiles do not agree with Pored's law and Debye's theory, i.e. the negative or positive deviation. The results of both methods used here were also found to be close to each other. The specific surfaces fell between approximately 80-150 m(2)/cm(3) for the samples prepared under various conditions.
关键词small angle X-ray scattering silica xerogel specific surface
学科领域Science & Technology - Other Topics
研究领域[WOS]Science & Technology - Other Topics ; Science & Technology - Other Topics
DOI10.1007/BF02886243
URL查看原文
语种英语
研究领域[WOS]Science & Technology - Other Topics ; Science & Technology - Other Topics
WOS类目Multidisciplinary Sciences
WOS记录号WOS:000089247500011
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被引频次:4[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ihep.ac.cn/handle/311005/239334
专题多学科研究中心
作者单位中国科学院高能物理研究所
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GB/T 7714
Li, ZH,Sun, JH,Wu, D,et al. Determination of specific surfaces of silica xerogels by SAXS[J]. CHINESE SCIENCE BULLETIN,2000,45(15):1386-1390.
APA Li, ZH.,Sun, JH.,Wu, D.,Sun, YH.,Liu, Y.,...&董宝中.(2000).Determination of specific surfaces of silica xerogels by SAXS.CHINESE SCIENCE BULLETIN,45(15),1386-1390.
MLA Li, ZH,et al."Determination of specific surfaces of silica xerogels by SAXS".CHINESE SCIENCE BULLETIN 45.15(2000):1386-1390.
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