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《Chinese Journal of Analytieal Chemistry》 1998-10
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Spectrophotofluorimetric Determination of Nitrite With Neutral Red

Ren Huijuan*l, Fu lianshe2, Zhang Rongdong1, Ren Ying2 l (Changchun College of Technology, Changchun 130021 ) 2 (Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun 130022)  
The reaction between NO2- and neutral red was studied. The result showed that in 0.048 mol/L HCI meduim, NO2- can react with neutral red. The fluorescence queening degree is linear with NO2- concentration over the range of 40-240 μg/L. The common coexisting ions do not interfere in the determination. The method has been applied to the determination of nitrite in water with satisfactory results.
【Fund】: 国家自然科学基金
【CateGory Index】: O657.3
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