1995
DOI: 10.1016/0003-2670(94)00509-k
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Determination of trace metals in natural waters by flame atomic absorption spectrometry following on-line ion-exchange preconcentration

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Cited by 71 publications
(22 citation statements)
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“…A poly(aminophosphonic acid) chelating resin (PAPhA) was selected as the analytical column material for this study because in addition to our wide experience in working with it in the batch mode [22], we have also found it to perform well in FI mode when water samples were analyzed [23,24]. Several desirable properties arise that make it attractive for FIA work.…”
Section: Resultsmentioning
confidence: 98%
See 1 more Smart Citation
“…A poly(aminophosphonic acid) chelating resin (PAPhA) was selected as the analytical column material for this study because in addition to our wide experience in working with it in the batch mode [22], we have also found it to perform well in FI mode when water samples were analyzed [23,24]. Several desirable properties arise that make it attractive for FIA work.…”
Section: Resultsmentioning
confidence: 98%
“…The aim of this work is to examine a poly(aminophosphonic acid) chelating resin (PAPhA) to preconcentrate and separate Co(II) from other sample matrix components. This resin is well suited for the preconcentration of metal ions from aqueous solutions and exhibits no affinity for the alkali metals [22][23][24]. A satisfactory separation and preconcentration of Co(II) was observed because this resin is selective for Co(II) and Fe(III) ions at pH 2, and the Co(II) selectivity coefficient is greater than that obtained for Fe(III); therefore, Co(II) is preferentially complexed over Fe(III) on its active groups.…”
Section: Introductionmentioning
confidence: 99%
“…University, Tirupati ± 517 502, A.P., India (phone: 91 877 2250556; fax: 91 877 2261274; e-mail: chiranjeevi_sai@yahoo.co.in) b ) Scientist, Radio Chemistry Division, Babha Atomic Research Centre (BARC), Mumbai, India A procedure was developed for the determination of Cu, Mn, Pb, Cd, Co, Cr, and Zn in water samples by Inductively Coupled Plasma ± Optical Emission Spectrometry (ICP-OES) after preconcentration on synthesized 2-propylpiperidine-1-carbodithioate supported by Borassus flabellifer Inflorescence (BFI). The sorbed element was subsequently eluted with 0.4m HNO 3 , and the acid eluates were analyzed by ICP-OES. The influence of various parameters such as pH, flow rate of sample, eluent concentration, volume of the sample, and volume of eluent were investigated.…”
mentioning
confidence: 99%
“…The column loaded with BFI material were used four times without destruction, and sorbed elements were sequently eluted with 0.4m HNO 3 . The acid eluates were further analyzed by ICP-OES.…”
mentioning
confidence: 99%
“…Several FI-AAS systems for determination of zinc have been developed. [7][8][9][10][11][12] However, these methods, which were based on a chelating resin technique, can not be applied to the determination of zinc in a steel sample because iron(III) would be also adsorbed on the resin. Judging from Kallmann's report, 5) the use of the anion exchange resin, instead of the chelating resin, would be promising for the determination of zinc in a steel sample by FI-AAS.…”
Section: Introductionmentioning
confidence: 99%