TITLE

Determination of Pb, Cr, Ni and Mn in Tap Water of Riyadh Metropolitan City Using ICP-MS after Preconcentration with Multiwalled Carbon Nanotubes

AUTHOR(S)
Ahmad, A.; Omer, K.; Al-Swaidan, H. M.
PUB. DATE
August 2010
SOURCE
Journal of Environmental Science & Engineering;Aug2010, Vol. 4 Issue 8, p26
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
The determination of toxic metals in water using multiwalled carbon nanotubes (MWNTs) as a solid-phase extraction adsorbent prior to their determination by inductively coupled plasma mass spectrometry (ICP-MS) has been investigated. Standard addition method was applied for the calibration using aqueous solutions. Multiwalled carbon nanotubes (MWNTs) absorb these metals at pH 8.0, HNO3 of 1.0 mol∙L-1 is used for complete elusion of these metals from MWNTs. Previously investigated parameters have been applied for the determination of Pb, Cr, Ni and Mn in tap water samples. Fifteen tap water samples from different locations of Riyadh metropolitan area have been determined by ICP-MS after preconcentration with MWNTs.
ACCESSION #
54854896

 

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