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Cross-validation of methods used for analysis of MTBE and other gasoline components in groundwater.
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Head space gas chromatography with flame-ionization detection (HS-GC-FID), ancl purge and trap gas chromatography-mass spectrometry (P&T-GC-MS) have been used to determine methyl-tert-butyl ether (MTBE) and benzene, toluene, and the ylenes (BTEX) in groundwater. In the work discussed in this paper measures of quality, e.g. recovery (94-111%), precision (4.6 - 12.2%), limits of detection (0.3 - 5.7 I~g L 1 for HS and 0.001 I~g L 1 for PT), and robust-ness, for both methods were compared. In addition, for purposes of comparison, groundwater samples from areas suffering from odor problems because of fuel spillage and tank leakage were analyzed by use of both techniques. For high concentration levels there was good correlation between results from both methods.
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LACORTE I BRUGUERA, Sílvia, et al. Cross-validation of methods used for analysis of MTBE and other gasoline components in groundwater. Chromatographia. 2002. Vol. 56, num. 11-12, pags. 739-744. ISSN 0009-5893. [consulted: 8 of October of 2026]. Available at: https://hdl.handle.net/2445/34450