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- Title
A novel chromium selective electrode based on surfactant-modified Iranian clinoptilolite nanoparticles.
- Authors
Hashemi, Somayeh; Nezamzadeh-Ejhieh, Alireza
- Abstract
A novel modified hexadecyltrimethyl ammonium surfactant-modified nanoclinoptilolite electrode was constructed for the potentiometric determination of dichromate and showed a Nernstian response in the concentration range of 7.0 × 10−6 − 1.0 × 10−1 M. A Nernstian slope of 29.7 ± 0.9 m V per decade of dichromate concentration and a detection limit of 3.1 × 10−7 M dichromate were obtained for the proposed electrode. The proposed electrode exhibited a rapid response about 10 s over a period of 2 months with good reproducibility and also without any considerable divergence in potential response. It was also applied as an indicator electrode in the potentiometric titration of dichromate.
- Subjects
ION selective electrodes; ZEOLITES; NANOPARTICLES; CLINOPTILOLITE; SILICATE minerals
- Publication
Desalination & Water Treatment, 2016, Vol 57, Issue 7, p3304
- ISSN
1944-3994
- Publication type
Article
- DOI
10.1080/19443994.2014.989916