Voltammetric determination of ibuprofen using a carbon paste – multiwalled carbon nanotube composite electrode
作者： Selene Irisais Rivera-Hernández , Giaan Arturo Álvarez-Romero , Silvia Corona-Avendaño , María Elena Páez-Hernández , Carlos Andrés Galán-Vidal
DOI: 10.1080/10739149.2016.1173061
关键词:
摘要: ABSTRACTAn optimized voltammetric method is reported for the quantification of ibuprofen in aqueous solution using a carbon paste–multiwalled nanotube composite as working electrode. The electrode preparation and experimental conditions were optimized; sensitivity 228.08 mA mol−1 L was obtained. limits detection 9.1 µM 25.5 µM, respectively, linear dynamic range extended from 2.36–242 µM. repeatability 5.35% expressed relative standard deviation. Using statistical analysis lower concentrations, limit reduced to 4.13 µM. employed tablets.
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