caa a22 4500 445879823 CHVBK 20180317145539.0 cr unu---uuuuu 170323e20110201xx s 000 0 eng 10.1007/s00604-010-0466-2 doi (NATIONALLICENCE)springer-10.1007/s00604-010-0466-2 Determination of gold(III) and palladium(II) in mine samples by cloud point extraction preconcentration coupled with flame atomic absorption spectrometry [Elektronische Daten] [Shanshan Tong, Qiong Jia, Naizong Song, Weihong Zhou, Taicheng Duan, Changli Bao] A simple, cheap, and nonpolluting method was developed for the cloud point extraction of gold (Au) and palladium (Pd). It is based on the complexation reaction of Au and Pd with 1-phenyl-3-methyl-4-benzoyl-5-pyrazolone (PMBP) and micelle mediated extraction of the complex using the non-ionic surfactant poly(ethylene glycol) mono-p-nonylphenyl ether (PONPE 7.5). Under the optimized experimental conditions, the enrichment factors are 16 and 17 for Au and Pd, respectively, for 15mL of preconcentrated solution. The limits of detection are 3.8μg L−1 and 1.8μg L−1 for Au and Pd, respectively. The relative standard deviations are 1.4% for Au and 0.6% for Pd (n = 11). The method was successfully applied to the determination of Au and Pd in certified reference materials and mine samples. Figure CPE of gold(III) and palladium(II) Springer-Verlag, 2010 Gold nationallicence Palladium nationallicence Cloud point extraction nationallicence Flame atomic absorption spectrometry nationallicence Tong Shanshan College of Chemistry, Jilin University, 130022, Changchun, China aut Jia Qiong College of Chemistry, Jilin University, 130022, Changchun, China aut Song Naizong College of Chemistry, Jilin University, 130022, Changchun, China aut Zhou Weihong College of Chemistry, Jilin University, 130022, Changchun, China aut Duan Taicheng State Key Laboratory of Electroanalytical Chemistry, National Research Center of Electroanalytical and Spectroanalytical Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, 130022, Changchun, China aut Bao Changli College of Chemistry, Jilin University, 130022, Changchun, China aut Microchimica Acta Springer Vienna 172/1-2(2011-02-01), 95-102 0026-3672 172:1-2<95 2011 172 604 https://doi.org/10.1007/s00604-010-0466-2 text/html Onlinezugriff via DOI 1 research-article jats NATIONALLICENCE 856 40 https://doi.org/10.1007/s00604-010-0466-2 text/html Onlinezugriff via DOI NATIONALLICENCE 700 1- Tong Shanshan College of Chemistry, Jilin University, 130022, Changchun, China aut NATIONALLICENCE 700 1- Jia Qiong College of Chemistry, Jilin University, 130022, Changchun, China aut NATIONALLICENCE 700 1- Song Naizong College of Chemistry, Jilin University, 130022, Changchun, China aut NATIONALLICENCE 700 1- Zhou Weihong College of Chemistry, Jilin University, 130022, Changchun, China aut NATIONALLICENCE 700 1- Duan Taicheng State Key Laboratory of Electroanalytical Chemistry, National Research Center of Electroanalytical and Spectroanalytical Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, 130022, Changchun, China aut NATIONALLICENCE 700 1- Bao Changli College of Chemistry, Jilin University, 130022, Changchun, China aut NATIONALLICENCE 773 0- Microchimica Acta Springer Vienna 172/1-2(2011-02-01), 95-102 0026-3672 172:1-2<95 2011 172 604 Metadata rights reserved Springer special CC-BY-NC licence nationallicence BK010053 XK010053 XK010000 NATIONALLICENCE NATIONALLICENCE NL-springer