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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
chemistry
A novel copper (II) selective sensor based on Dimethyl 4, 4′ (o-phenylene) bis(3-thioallophanate) in PVC matrix
Journal of Molecular Liquids, Volume 174, Year 2012
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Description
The construction, performance characteristics and application of a novel copper (II) membrane sensor based on a new Dimethyl 4, 4′-(o-phenylene) bis(3-thioallophanate) are reported in this paper. The designed sensor exhibited a wide linear response with a slope of 30.3 mV per decade over the concentration range of 9.8 × 10 - 6-1.0 × 10 - 1 M. The potentiometric response is independent on the pH of the solution in the range of 3.1-7.6. The electrode shows a response time of 20 s. The proposed electrode can be used for at least two months without any considerable divergence in potentials. It exhibits very good selectivity relative to a wide variety of alkali, alkaline earth, transition and heavy metal ions. The developed sensor was used for the quantitative determination of Cu (II) ions both in synthetic and real samples. The electrode assembly was also used as an indicator electrode in the potentiometric titration of Cu 2 + with EDTA. © 2012 Elsevier B.V.
Authors & Co-Authors
Gupta, Vinod Kumar
India, Roorkee
Indian Institute of Technology Roorkee
Saudi Arabia, Dhahran
King Fahd University of Petroleum and Minerals
Singh, Lok P.
India, Roorkee
Central Building Research Institute India
Singh, Rakesh P.
India, Dehradun
D.b.s. Post Graduate College, Dehradun
Upadhyay, N.
India, Phagwara
Lovely Professional University
Kaur, S. P.
India, Phagwara
Lovely Professional University
Sethi, Bhavana
India, Dehradun
M. K. P. (p. G.) College
Statistics
Citations: 329
Authors: 6
Affiliations: 6
Identifiers
Doi:
10.1016/j.molliq.2012.07.016
ISSN:
01677322
Study Approach
Quantitative