Preconcentration and speciation of chrom
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R.M. CespΓ³n-Romero; M.C. Yebra-Biurrun; M.P. Bermejo-Barrera
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Article
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1996
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Elsevier Science
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English
β 778 KB
A simple method for the determination of chromium(III) and total chromium in a flow injection system comprising chelating ion-exchange and flame atomic absorption spectrometry (FAAS) was described. A minicolumn (85 mm x 1.6 mm i.d.) filled with a poly(aminophosphonic acid) chelating resin (PAPhA, 20