In hydrochloric acid medium,a highly sensitive fluorescence quenching method was developed for the determination of ClO2,based on its oxidation of I to I3 by ClO2 and the further reation of I3 with rhodamine 6G to for...In hydrochloric acid medium,a highly sensitive fluorescence quenching method was developed for the determination of ClO2,based on its oxidation of I to I3 by ClO2 and the further reation of I3 with rhodamine 6G to form the ion-association complex.The detection Iimit is 0.8 μg/L.The linear range of calibration curve is 0-80 μg/L.It has been applied to the determination of trace ClO2 in tap water with satisfactory results.展开更多
文摘In hydrochloric acid medium,a highly sensitive fluorescence quenching method was developed for the determination of ClO2,based on its oxidation of I to I3 by ClO2 and the further reation of I3 with rhodamine 6G to form the ion-association complex.The detection Iimit is 0.8 μg/L.The linear range of calibration curve is 0-80 μg/L.It has been applied to the determination of trace ClO2 in tap water with satisfactory results.