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A METHOD FOR THE SAMPLING AND REMOVAL OF IONIC ALKYLLEAD COMPOUNDS FROM AQUEOUS-SOLUTION USING ION-EXCHANGE MEDIA

Hewitt, C. N. and METCALFE, P J and STREET, R A (1991) A METHOD FOR THE SAMPLING AND REMOVAL OF IONIC ALKYLLEAD COMPOUNDS FROM AQUEOUS-SOLUTION USING ION-EXCHANGE MEDIA. Water Research, 25 (1). pp. 91-94. ISSN 0043-1354

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Abstract

The synthetic resin Amberlite IR-120 in the Na+ form (10 cm3), and the naturally occurring zeolite, clinoptilolite, (20 cm3) have been found to quantitatively remove trimethyllead (TriML) from aqueous solutions of ionic strength up to 10(-2) M NaCl. Elution by 150 cm3 2.7 M NaCl removes the TriML back into solution, from where it can be extracted, derivatized with propyl Grignard reagent and analyzed by GC-AAS. TriML is stable for at least 24 h on the ion-exchange media. The method allows the sampling and determination of TriML in natural and wastewaters with a detection limit of 0.1 ng (Pb) dm-3. It may also be used for the decontamination of wastewaters. This technique may be applicable to other ionic organometallic compounds, including tributyltin.

Item Type: Article
Journal or Publication Title: Water Research
Uncontrolled Keywords: ALKYLLEAD ; ORGANIC LEAD ; ION EXCHANGE RESIN ; CLINOPTILOLITE ; SAMPLING ; ATOMIC-ABSORPTION SPECTROMETRY ; TRACE-METALS ; WATER ; GAS ; TETRAALKYLLEAD ; TRIALKYLLEAD ; ATMOSPHERE ; AIR
Subjects: UNSPECIFIED
Departments: Faculty of Science and Technology > Lancaster Environment Centre
ID Code: 51544
Deposited By: ep_importer_pure
Deposited On: 25 Nov 2011 12:54
Refereed?: Yes
Published?: Published
Last Modified: 26 Jul 2012 19:53
Identification Number:
URI: http://eprints.lancs.ac.uk/id/eprint/51544

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