Analysis of <I>n</I>-hexane Soluble Fraction of Yubari Coal Tar Pitch and its Structural Analysis
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概要
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Although the method of structural analysis using NMR has been greatly developped recently, there remains some doubts whether its results represent true mean structure of compounds contained in the sample. The authors aimed to confirm this point.<BR><I>n</I>-hexane soluble part of Yubari coal tar pitch was fractionated by GPC and alumina chromatography and each fraction was analysed by UV and GC-Mass. The mean structure was calculated from these results of analysis and this value was compared with the value from the structural analysis of NMR.<BR>This comparison gave a quite satisfactory result . From this it can be said that structural analytical indices represent very well the mean structure for such sample as the one which is not polymer and has low oxygen, nitrogen or sulfur content.
- 一般社団法人 日本エネルギー学会の論文
一般社団法人 日本エネルギー学会 | 論文
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