Journal
CHROMATOGRAPHIA
Volume 70, Issue 5-6, Pages 753-759Publisher
SPRINGER HEIDELBERG
DOI: 10.1365/s10337-009-1227-4
Keywords
Column liquid chromatography; Oxidized multiwalled carbon nanotubes; Solid-phase microextraction; Adsorption mechanism; Benzimidazole fungicides
Funding
- National Natural Science Foundation of China (NSFC) [20775029]
- Huo Ying Dong Science Fund of China [104038]
- New Century Excellent Talents in University [NCET-07-0400]
- Central Teacher Plan in Lanzhou University
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The potential of oxidized multiwalled carbon nanotubes as a fiber coating for solid-phase microextraction of carbendazim, thiabendazole, and thiophanate-methyl from aqueous solution has been investigated, and the mechanism of adsorption has been explored. When an analytical method combining SPME with high-performance liquid chromatography was applied to real environmental water samples, recoveries of the spiked compounds was 75.7-104.5%, the linear range was 5-500 ng mL(-1), the squared correlation coefficients (r (2)) were from 0.9978 to 0.9984, LOD were from 0.3 to 1.5 ng mL(-1), and RSD were from 2.3 to 10.5%.
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