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Flow injection determination of nitrite by fluorescence quenching

✍ Scribed by Marı́a Teresa Fernández-Argüelles; Beatriz Cañabate; José M Costa-Fernández; Rosario Pereiro; Alfredo Sanz-Medel

Book ID
116900366
Publisher
Elsevier Science
Year
2004
Tongue
English
Weight
168 KB
Volume
62
Category
Article
ISSN
0039-9140

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✍ Nianqin Jie; Duanling Yang; Quibin Jiang; Qiang Zhang; Lu Wei 📂 Article 📅 1999 🏛 Elsevier Science 🌐 English ⚖ 41 KB

A new fluorescence quenching method has been developed to determine nitrite in water and food samples. The method is based on the reaction between nitrite and the fluorescent indole to form a compound which has no fluorescence in acidic medium. The fluorescence intensity was measured in 1 cm quartz