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Fluorescence quenching method for the determination of trace nitrite

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荧光猝灭法测定痕量亚硝酸根.pdf (170.6Kb)
Date
2000
Author
Yuan, BL
苑宝玲
Lin, QZ
林清赞
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  • 化学化工-已发表论文 [14469]
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Abstract
A simple and sensitive fluorescence quenching method for the determination of nitrite has been investigated. The method is based on the reaction of nitrite with potassium iodide giving iodine(I-2),which is estimated by the fluorescence quenching method using 2'7'-dichlorofluorescein. The calibration graph is linear over the range 10 similar to 120 mu g per liter nitrite. The detection limit is 5.6 mu g per liter nitrite. The method has been applied successfully to the determination of nitrite in synthetic mixtures and analytical reagents.
Citation
CHINESE JOURNAL OF ANALYTICAL CHEMISTRY,2000,28(6):692-695
URI
https://dspace.xmu.edu.cn/handle/2288/12923

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