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Paper Title :
A New Nitrate-Selective Electrode Based On Bis-Thiourea Xanthene Spacer Derivative

Author :Nurato, Sagir Alva

Article Citation :Nurato ,Sagir Alva , (2016 ) " A New Nitrate-Selective Electrode Based On Bis-Thiourea Xanthene Spacer Derivative " , International Journal of Advances in Science, Engineering and Technology(IJASEAT) , pp. 37-40, Volume-4,Issue-1, Spl. Iss-3

Abstract : A new nitrate selective electrode has been developed. This electrode uses a derivative of bis-thiourea as ionophore. Bis-thiourea derivatives obtained from the reaction between bis (aminomethyl) benzene with nitrophenylisothiocyanate. Nitrate selective electrode showed near Nerstian values -54.7± 3.5mV/dec with RSD value is 6.5% . Meanwhile, the linear range is 0.1 M - 10-5 M and the sensor has a detection limit is 4.1 x 10-6 M. In this study, Log Kpota,b values are given for each interference ion is Cl- -1.36 ± 0.12, HPO4 2- -2.80 ± 0.24, Br- -0.58 ± 0.10, CrO4 2- -1.32 ± 0.21, SO4 2- -2.42 ± 0.31. Artificial samples, fish pond and soil used as real samples. Nitrate sensors give a similar results with commercial sensor. Keywords- Nitrate-Selective Electrode, Bis (Aminomethyl) Benzene, Nitrophenylisothiocyanate, Bis-Thiourea.

Type : Research paper

Published : Volume-4,Issue-1, Spl. Iss-3


DOIONLINE NO - IJASEAT-IRAJ-DOIONLINE-4187   View Here

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