Tristimulus Colorimetry Using a Digital Still Camera and Its Application to Determination of Iron and Residua Chlorine in Water Samples
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- SUZUKI Yasutada
- Department of Applied Chemistry, Interdisciplinary School of Medicine and Engineering, University of Yamanashi
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- ENDO Masatoshi
- Department of Chemistry and Chemical Engineering, Faculty of Engineering, Yamagata University
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- JIN Jiye
- Department of Chemistry, Faculty of Science, Shinshu University
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- IWASE Kenji
- Department of Applied Chemistry, Interdisciplinary School of Medicine and Engineering, University of Yamanashi
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- IWATSUKI Masaaki
- Department of Applied Chemistry, Interdisciplinary School of Medicine and Engineering, University of Yamanashi
書誌事項
- タイトル別名
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- Tristimulus Colorimetry Using a Digital Still Camera and Its Application to Determination of Iron and Residual Chlorine in Water Samples
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説明
Tristimulus colorimetry using a digital still camera (DSC) as a colorimeter has been developed. A photograph of a sample and standard solutions was taken simultaneously with the DSC, and it was transferred to a PC. On the PC, the colors of the sample and of the standard solutions were analyzed and L* (brightness), a* (red-green component), and b* (yellow-blue component) values were determined with laboratory-made software. A dedicated light-box containing white-color LEDs as light source was made of white acrylic to make constant exposure at each photograph. Various settings of the DSC, such as exposure mode, white balance, and so on, that affect analytical figures, were studied with determination of iron with 1,10-phenanthroline. This method was successfully applied to the determinations of iron in a river water sample and of residual chlorine in tap water samples with N,N-diethylphenylenediamine (DPD).
収録刊行物
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- Analytical Sciences
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Analytical Sciences 22 (3), 411-414, 2006
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
- 1390282679234976768
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- NII論文ID
- 10017310929
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- NII書誌ID
- AA10500785
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- ISSN
- 13482246
- 09106340
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- NDL書誌ID
- 7845867
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- PubMed
- 16733313
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- 本文言語コード
- en
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- データソース種別
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- JaLC
- NDLサーチ
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- 使用不可