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Reference type: Journal
Authors: Lopez-Nogueroles M, Lordel-Madeleine S, Chisvert A, Salvador A, Pichon V
Article Title: Development of a selective solid phase extraction method for nitro musk compounds in environmental waters using a molecularly imprinted sorbent.
Publication date: 2013
Journal: Talanta
Volume: 110
Page numbers: 128-134.
DOI: 10.1016/j.talanta.2013.02.023
Alternative URL: http://www.sciencedirect.com/science/article/pii/S0039914013000969

Abstract: A powerful analytical method for the determination of the family of the nitro musk compounds at trace level in environmental waters-river, sea, and water from a treatment plant-is presented. The method is based on the use of molecularly imprinted silica (MIS) as sorbent for solid phase extraction (SPE) used for the clean-up and the concentration step of the target analytes previous to their determination by gas chromatography-mass spectrometry. The optimized extraction procedure allowed extraction recoveries between 61% and 87% using the MIS. The comparison with a non-imprinted silica (NIS) sorbent, for which extraction recoveries between 8% and 26% were obtained, showed the high selectivity of the MIS for the nitro musks. Moreover, high enrichment factors, ranging between 580 and 827, were achieved. The imprinted sorbent was compared to a conventional polymeric SPE sorbent for the extraction of the target compounds from environmental waters, showing high selectivity of the MIS and its clean-up potential. For the first time, the five nitro musk compounds were selectively extracted with an imprinted material
Template and target information: nitro musk, musk ambrette, MA, musk xylene, MX, musk moskene, MM, musk tibetene, MT, musk ketone, MK
Author keywords: Musk, Nitro musk, Molecular imprinted silica (MIS), environmental analysis, Fragrance chemicals, Gas chromatography-mass spectrometry, water analysis

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