Article ID | Journal | Published Year | Pages | File Type |
---|---|---|---|---|
10560809 | Talanta | 2005 | 6 Pages |
Abstract
Ammonium pyrrolidinedithiocarbamate impregnated activated carbon (APDC-AC) has been used for the preconcentration of Cd(II), Cu(II), Ni(II), and Zn(II) from aqueous solution by column solid phase extraction (SPE) technique. Trace metal ions in aqueous solution were quantitatively sorbed onto APDC-AC packed in a SPE column at pH 5.0 with a flow rate of 1.0Â mLÂ minâ1. The sorbed metals were eluted with 1Â M nitric acid in acetone solution at a flow rate of 0.6Â mLÂ minâ1 and analyzed by flame atomic absorption spectrometry. The effects of sample volume, amount of APDC-AC, volume of eluent and ionic strength of working solution on metal ion recovery have been investigated. The present methodology gave recoveries from 90 to 106% and R.S.D. from 0.6 to 5.5%.
Related Topics
Physical Sciences and Engineering
Chemistry
Analytical Chemistry
Authors
Pornlada Daorattanachai, Fuangfa Unob, Apichat Imyim,