Journal
CRITICAL REVIEWS IN ANALYTICAL CHEMISTRY
Volume 41, Issue 4, Pages 282-313Publisher
TAYLOR & FRANCIS INC
DOI: 10.1080/10408347.2011.589773
Keywords
Cations; drugs; potentiometric sensors; sensors; chemical sensors
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Funding
- Indian Institute of Technology Roorkee, Roorkee, India
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An overview of potentiometric sensors that are capable of detecting toxic heavy metal ions in environmental samples is presented and discussed. Notwithstanding the tremendous work performed so far, it is obvious that still several limitations do exist in terms of selectivity, limits of detection, dynamic ranges, applicability to specific problems, and reversibility. A survey on important advances in potentiometric sensors with regard to high selectivity, lower detection limit, fast response time, and on-line environmental analysis is presented in this review article. [Supplemental materials are available for this article. Go to the publisher's online edition of Critical Reviews in Analytical Chemistry to view the free supplemental file.]
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