Recently I am researching about ORGANIC-COMPOUNDS; FRAGRANCE ALLERGENS; CONSUMER PRODUCTS; DUST, Saw an article supported by the Xunta de GaliciaXunta de GaliciaEuropean Commission; Spanish GovernmentSpanish GovernmentEuropean Commission [GRC-ED431C 2017/36, PGC2018-094613-B-I00]; EUEuropean Commission. Published in PERGAMON-ELSEVIER SCIENCE LTD in OXFORD ,Authors: Cobo-Golpe, M; Ramil, M; Cela, R; Rodriguez, I. The CAS is 103-50-4. Through research, I have a further understanding and discovery of Benzyl ether. Recommanded Product: 103-50-4
The comprehensive identification of organic species existing in indoor environments is a key issue to understand their impact in human health. This study proposes the analysis of condensed water samples, collected with portable dehumidifiers, to characterize semi-volatile compounds in the gas phase of confined areas. Water samples are concentrated by solid-phase extraction (SPE). The obtained extracts are analysed by gas chromatography (GC) time-of-flight mass spectrometry (TOF-MS), following a nontarget screening data mining approach. In first term, spectra of deconvoluted compounds are compared with those in NIST low resolution library; thereafter, tentative identifications are verified using an inhouse database of accurate electron ionization (EI) MS spectra. Chromatographic (retention index) and spectral data are combined for unambiguous species identification. The potential of condensed water samples to reflect changes in the composition of indoor atmospheres, the match between data obtained using different dehumidifiers, and the relative concentration efficiency of condensed water compared to that attained by active sampling of moderate air volumes are discussed. A total of 141 semi-volatile compounds were identified (98 confirmed against authentic standards) in a set of 21 samples obtained from different homes and working places. This list contains more than 40 fragrances (including several potential allergens), solvents and intermediates in the production of polymeric materials, plasticizers and flame retardants. (C) 2020 Elsevier Ltd. All rights reserved.
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