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The electrochemical behaviour of lawsone at glassy carbon electrode (GCE) was investigated by using cyclic and differential pulse anodic stripping voltammetric (DPASV) techniques. Cyclic voltammetry was used to study the influence of pH on the peak current and peak potential. The Mcllavnie’s buffer of pH 3.0 was selected as a suitable analytical medium in which lawsone exhibited sensitive diffusion controlled redox peaks (vs. Ag/AgCl). The peak current varied linearly with lawsone concentration in the range between 0.60 and 1.40 μM with a detection limit of 6 nM. The applicability of the proposed method was illustrated by the determination of lawsone present in real samples. A mean recovery of lawsone in the leaf of Lawsonia inermis was 99.5% with a relative standard deviation of 1.15%. 相似文献
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Pasha Imran Basavanna Rudraswamy Yerranguntla Santhi Sheela Suryanarayana Saraswatula Venkata Karkera Meghna Naik Haladhara Karantha Manjunatha Prasad Danu Laxman Singh Bishnoi Saroj Patel Tarun Kumar Rajeev 《Journal of Radioanalytical and Nuclear Chemistry》2019,320(3):561-568
Journal of Radioanalytical and Nuclear Chemistry - The cross sections for the 93Nb(n,2n)92mNb, 93Nb(n,α)90mY and the 92Mo(n,p)92mNb reactions have been measured with respect to the... 相似文献
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