Comparison of Needle Concentrator with SPME for GC Determination of Benzene, Toluene, Ethylbenzene, and Xylenes in Aqueous Samples
作者： P. Přikryl , R. Kubinec , H. Jurdáková , J. Ševčík , I. Ostrovský
DOI: 10.1365/S10337-006-0800-3
关键词:
摘要: A method of solventless extraction volatile organic compounds from aqueous samples has been developed and validated. new arrangement in which the internal volume a needle capillary adsorption trap is completely filled with Porapak Q, as adsorbent material, wet alumina, source desorptive water vapor flow, presented. The device used for head-space sampling benzene, toluene, ethylbenzene, xylenes (BTEX) compared solid-phase microextraction. Under same conditions analytical characteristics BTEX are better than those Limits detection quantification below 0.5 μ g L−1.
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