書誌事項
- タイトル別名
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- Analyzer for Measuring NO3/N2O5 in the Atmosphere by Laser-Induced Fluorescence Technique
- ソウチ ト ギジュツ レーザー ユウキ ケイコウホウ ニ ヨル タイキ チュウ NO3 N2O5 ソクテイ ソウチ
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抄録
NO3 and N2O5 are important as intermediates of NOx loss in the nocturnal atmosphere. In this study, laser-in-duced fluorescence (LIF) technique is applied for measuring NO3 and N2O5 in the atmosphere. A tunable dye laser pumped by a pulsed Nd: YVO4 laser was utilized as an excitation light source. NO3 was excited around its 623-nm absorption peak and the induced fluorescence was detected. For measuring N2O5, thermal decomposition of N2O5 was carried out and then generated NO3 was detected. As a result of improvement and calibration of the instrument, the limits of detection for NO3 and N2O5 reached 4 and 6 pptv, respectively (S/N=1, 10-min averaging). A measurement test of N2O5 was conducted in the urban atmosphere to check the applicability of the instru-ment. The LIF instrument is promising to measure atmospheric NO3 and N2O5. This is a successful case of ap-plying a spectroscopic method to the environmental chemistry.
収録刊行物
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- 分光研究
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分光研究 54 (1), 23-31, 2005
社団法人 日本分光学会
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詳細情報 詳細情報について
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- CRID
- 1390282681234504832
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- NII論文ID
- 10013816077
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- NII書誌ID
- AN00222531
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- COI
- 1:CAS:528:DC%2BD2MXitVOqtbk%3D
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- ISSN
- 18846785
- 00387002
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- NDL書誌ID
- 7261423
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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
- NDL
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- 抄録ライセンスフラグ
- 使用不可