Study of Agricultural Samples by Laser Desorption Coupled With Resonance-Enhanced Multiphoton Ionization and Time-of-Flight Mass Spectrometry: Application to Carbendazim Analysis in Pepper
Autor: | B. Bescós, C. Montero, A. Valverde, J.M. Orea, A. Aguilera, A. González Ureña |
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Rok vydání: | 1998 |
Předmět: |
Detection limit
Resonance-enhanced multiphoton ionization Chromatography Carbendazim Supercritical fluid extraction Analytical chemistry Mass spectrometry Biochemistry Atomic and Molecular Physics and Optics chemistry.chemical_compound chemistry Ionization Sample preparation Time-of-flight mass spectrometry Spectroscopy |
Zdroj: | Laser Chemistry. 18:35-49 |
ISSN: | 1476-3516 0278-6273 |
DOI: | 10.1155/1998/68314 |
Popis: | A method for the analysis of carbendazim in peper has been developed using Supercritical Fluid Extraction (SFE) for the sample preparation and the combination of Laser Desorption (LD) with Resonance Enhanced Multi-Photon Ionization (REMPI) coupled to Time-of-Flight Mass Spectrometry (TOF-MS) for the detection. The method allows the analysis of carbendazim in pepper reducing the sample preparation step and avoiding the matrix effects present in classical GC and HPLC techniques, as well as the problems related to the labile properties of carbendazim. The detection limit obtained is of the same order of magnitude as the generally employed HPLC technique, but with higher sensitivity and easier sample preparation. |
Databáze: | OpenAIRE |
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