Abstract
A separation/preconcentration procedure based on the coprecipitation of Pb(II), Fe(III), Co(II), Cr(III) and Zn(II) ions with copper(II)-N-benzoyl-N-phenyl-hydroxylamine complex (Cu-BPHA) has been developed. The analytical variables including pH, amount of BPHA, amount of copper(II) as carrier element, and sample volume were investigated for the quantitative recoveries of the elements. No interfering effects were observed from the concomitant ions when present in real samples. The recoveries of the analyte ions were in the range of 95–100%. The detection limits (3 s) for Pb(II), Co(II), Fe(III), Cr(III) and Zn(II) ions were found to be 2.3, 0.7, 0.7, 0.3 and 0.4 µg L−1, respectively. The validation of the procedure was performed by the analysis of CRM (SRM NIST-1547 peach leaves and LGC6019 river water) standard reference materials. The method was applied to the determination of the analytes in real samples including natural waters, hair, urine, soil, sediment and peritoneal fluids samples etc., and good results were obtained (relative standard deviations <4%, recoveries >95%).
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Fig. S1
Influences of the sample volume on the recoveries of the analyte ions (N = 3) (DOC 202 kb)
Table S1
Instrumental conditions for the measurement of the analytes by FAAS (DOC 29 kb)
Table S2
Effect of matrix ions and/or subtances on coprecipitation efficiency of the trace elements (DOC 47 kb)
Table S3
Comparative data from some recent studies on coprecipitation of heavy metal ions (DOC 33 kb)
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Saçmacı, Ş., Kartal, Ş. Determination of some trace metal ions in various samples by FAAS after separation/preconcentration by copper(II)-BPHA coprecipitation method. Microchim Acta 170, 75–82 (2010). https://doi.org/10.1007/s00604-010-0391-4
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DOI: https://doi.org/10.1007/s00604-010-0391-4