Exploiting the bead-injection approach in the integrated sequential injection Lab-on-Valve format using hydrophobic packing materials for on-line matrix removal and preconcentration of trace levels of cadmium in environmental and biological samples via formation of non-charged chelates prior to ETAAS detection

Manuel Miró, Sylwia Jonczyk, Jianhua Wang, Elo Harald Hansen

Research output: Contribution to journalJournal articleResearchpeer-review

Abstract

The concept of renewable microcolumns within the conduits of an automated single injection lab-on-valve system was exploited in a sorption/elution fashion using sorbents of hydrophobic nature. The scheme's practical applicability was demonstrated for the electrothermal atomic absorption spectrometry determination of trace level concentrations of cadmium in complex matrices. Statistical comparisons between the proposed procedure and certified values revealed no significant differences at the 95% confidence level.
Original languageEnglish
JournalJournal of Analytical and Atomic Spectrometry
Volume18
Issue number2
Pages (from-to)89-98
ISSN0267-9477
Publication statusPublished - 2003

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