書誌事項
- タイトル別名
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- Determination of coumarin in kerosene and A fuel oil by multivariate analysis.
- タヘンリョウ カイセキホウ ニヨル ケイユ オヨビ A ジュウユチュウ ノ ク
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説明
Coumarin is added to kerosene and A fuel oil for the descrimination of light oil. When kerosene and A fuel oil are used as light oil for the purpose of tax evaluation, the coumarin content in the oil is checked based on by fluorescence. However the official method for determining coumarin could not obtain a high degree of accuracy. A multivariate analysis was used to improve the official method. The analytical method is as follows. Five ml of 1.5N sodium hydroxide is added to 10ml of sample oil. The coumarin is changed to the cis-o-hydroxy cinnamic acid. After shaking, a sodium hydroxide layer is diluted 50 times with water. One ml of this solution is put into a quartz cell. The cis-o-hydroxy cinnamic acid in sodium hydroxide solution is changed to the isomer (trans-o-hydroxy cinnamic acid) by ultraviolet rays. The coumarin in kerosene and A fuel oil was determined by multivariate analysis (principal component analysis, principal component regression, partial least squares). By this method, the coumarin in kerosene and A fuel oil could be determined to a high degree of accuracy.
収録刊行物
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- 分析化学
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分析化学 47 (1), 55-58, 1998
公益社団法人 日本分析化学会
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詳細情報 詳細情報について
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- CRID
- 1390001204051715840
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- NII論文ID
- 110002905478
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- NII書誌ID
- AN00222633
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- COI
- 1:CAS:528:DyaK1cXjs1Wmtg%3D%3D
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- NDL書誌ID
- 4380262
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- ISSN
- 05251931
- http://id.crossref.org/issn/05251931
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- 本文言語コード
- ja
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- データソース種別
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- JaLC
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