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- 小杉 善雄
- 名古屋大学工学部応用化学科
書誌事項
- タイトル別名
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- Ammonium Sulfate as a Standard for <SUP>33</SUP>S-NMR Spectra
- 33S NMR スペクトル ノ キジュン ブッシツ トシテノ リュウサン アン
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Ammonium sulfate was found possibly useful as a standard for the chemical shift and line-width of sulfur-33 NMR. 2 M aqueous solution gave a signal with S/N larger than 4 in 1013 s and, thus show-ing it useful for probe tuning and matching as well as deciding on optimum pulse conditions in a short time. A line-width relative to that of ammonium sulfate or a reference was essentially constant for all pulse conditions. Thus, by measuring the line-width of signals at any experimental pulse condition linewidth can be expressed for any of the following standard pulse conditions : spectral width of 1500 Hz, data points of 4 K, pulse width π/2, pulse delay time of 0.1 s, and a line broadening factor of 5 Hz, by which ammonium sulfate of 1 M solution gives a width of 8.5 Hz. The present method is applicable to all other insensitive and broad NMR spectra.
収録刊行物
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- 油化学
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油化学 42 (8), 612-618, 1993
公益社団法人 日本油化学会
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詳細情報 詳細情報について
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- CRID
- 1390001205335728000
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- NII論文ID
- 10006795175
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- NII書誌ID
- AN00245435
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- ISSN
- 0513398X
- 18842003
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- NDL書誌ID
- 3839730
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- データソース種別
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- JaLC
- NDL
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