石炭科学会議発表論文集
Online ISSN : 2423-8309
Print ISSN : 2423-8295
ISSN-L : 2423-8295
第39回石炭科学会議
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8.石炭溶媒抽出物の質量分析法の検討
藤岡 裕二西藤 将之齋藤 公児加藤 健次
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p. 33-34

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Coal extracts with carbon disulfide (CS_2)/N-methyl-2-pyrrolidinone (NMP) mix solvent were analyzed by laser desorption (LD) and matrix-assisted laser desorption/ionization (MALDI) mass spectrometry. MALDI method is good ionization method for large molecular weight compounds. But the coal extracts were complex mixtures, and matrices did not have enough effects for the mass spectrum. LD method had given good mass spectrum of coal extracts, and toluene solubles in extracts with CS_2/NMP were observed in selectively. LD and MALDI method provides protonated molecules and these method is good for analysis of large molecular weight compounds such as coal extracts.

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© 2002 一般社団法人 日本エネルギー学会
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