Determination of Paraquat Dichloride from Water Samples Using Differential Pulse Cathodic Stripping Voltammetry
- Авторы: Paramalinggam T.1,2, Yusoff A.1,3, Qureshi M.4, Shah Z.4, Sathishkumar P.2, Yusop Z.2,5, Khalid M.4, Khokhar F.6
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Учреждения:
- Department of Chemistry, Faculty of Science
- Centre for Environmental Sustainability and Water Security (IPASA), Research Institute for Sustainable Environment (RISE)
- Centre for Sustainable Nanomaterials, Ibnu Sina Institute for Scientific and Industrial Research
- Department of Chemistry
- School of Civil Engineering, Faculty of Engineering
- Institute of Advanced Research Studies in Chemical Sciences
- Выпуск: Том 54, № 12 (2018)
- Страницы: 1155-1163
- Раздел: Article
- URL: https://journals.rcsi.science/1023-1935/article/view/190200
- DOI: https://doi.org/10.1134/S1023193518140069
- ID: 190200
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Аннотация
Paraquat dichloride commonly used as herbicide was determined by differential pulse cathodic stripping voltammetry technique. Experimental parameters, such as pH, accumulation time, accumulation potential and initial potential were optimized. In this analysis, paraquat dichloride exhibited a well-defined tworeduction peaks at −0.35 and −0.90 V in the pH range from 2.0 to 12.0. The 0.04 mol L–1 BR buffer at pH 2.0 was found a suitable medium for electroanalytical determination of the paraquat dichloride. Interfering ions effect was not significant. Linear calibration plots for standard solutions of paraquat dichloride were obtained in the range of 0.25 to 1.75 × 10–6 mol L–1. Detection limit was 3.66 × 10–8 mol L–1. The optimized parameters were effectively applied for the determination of commercial paraquat dichloride and in artificial samples. Artificial samples were prepared by spiking paraquat dichloride into tap water and drinking water dispenser samples. The recovery value was 90.5% in drinking water dispenser samples and 91.7% in tap water samples at the concentration range of 1.00 × 10–6 to 1.75 × 10–6 mol L–1.
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Об авторах
Thanalechumi Paramalinggam
Department of Chemistry, Faculty of Science; Centre for Environmental Sustainability and Water Security (IPASA), Research Institute for Sustainable Environment (RISE)
Email: rahim@kimia.fs.utm.my
Малайзия, UTM Johor Bahru, 81310; UTM Johor Bahru, 81310
Abdull Yusoff
Department of Chemistry, Faculty of Science; Centre for Sustainable Nanomaterials, Ibnu Sina Institute for Scientific and Industrial Research
Автор, ответственный за переписку.
Email: rahim@kimia.fs.utm.my
Малайзия, UTM Johor Bahru, 81310; UTM Johor Bahru, 81310
Munawar Qureshi
Department of Chemistry
Email: rahim@kimia.fs.utm.my
Пакистан, Rahimyar Khan, 64200
Zulfiqar Shah
Department of Chemistry
Email: rahim@kimia.fs.utm.my
Пакистан, Rahimyar Khan, 64200
Palanivel Sathishkumar
Centre for Environmental Sustainability and Water Security (IPASA), Research Institute for Sustainable Environment (RISE)
Email: rahim@kimia.fs.utm.my
Малайзия, UTM Johor Bahru, 81310
Zulkifli Yusop
Centre for Environmental Sustainability and Water Security (IPASA), Research Institute for Sustainable Environment (RISE); School of Civil Engineering, Faculty of Engineering
Email: rahim@kimia.fs.utm.my
Малайзия, UTM Johor Bahru, 81310; UTM Johor Bahru, 81310
Muhammad Khalid
Department of Chemistry
Email: rahim@kimia.fs.utm.my
Пакистан, Rahimyar Khan, 64200
Faiz Khokhar
Institute of Advanced Research Studies in Chemical Sciences
Email: rahim@kimia.fs.utm.my
Пакистан, Jamshoro, 76080