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Quantification of four ionophores in soil, sediment and manure using pressurised liquid extraction
Eurofins Denmark A/S, Environment, Vejen.
Department of Civil & Environmental Engineering, Stanford University.
Vise andre og tillknytning
2013 (engelsk)Inngår i: Journal of Chromatography A, ISSN 0021-9673, E-ISSN 1873-3778, Vol. 1307, nr September, s. 27-33Artikkel i tidsskrift (Fagfellevurdert) Published
Abstract [en]

A multi-residue pressurised liquid extraction (PLE) methodology has been established for the determination of the four ionophores: lasalocid, monensin, salinomycin and narasin in solid environmental matrices. The PLE methodology is combined with solid phase extraction as clean-up using liquid chromatography coupled to tandem mass spectrometry applying electrospray ionisation for detection. The samples were freeze-dried prior to extraction. The absolute recoveries for soil and sediment ranged from 71 to 123% (relative standard deviation (RSDs) below 16%) and in the range 94–133% (RSDs 9–35%) for poultry manure. The final method allowed for the detection of four ionophores down to a few hundred ng kg−1 in natural solid matrices with limit of quantifications (LOQs) being 0.96, 0.87, 0.98, and 0.64 μg kg−1 in soil for lasalocid, monensin, salinomycin, and narasin, respectively. Corresponding LOQs in sediment were 1.28, 1.34, 1.39, and 0.78 μg kg−1 for the respective ionophores, while in manure the LOQs were 0.98, 1.01, 1.45, and 1.01 μg kg−1.

sted, utgiver, år, opplag, sider
2013. Vol. 1307, nr September, s. 27-33
Emneord [en]
Ionophores, Sediment, Soil, Manure, PLE, Antibiotics
HSV kategori
Identifikatorer
URN: urn:nbn:se:hkr:diva-10817DOI: 10.1016/j.chroma.2013.07.062ISI: 000324005500003PubMedID: 23890553OAI: oai:DiVA.org:hkr-10817DiVA, id: diva2:639155
Tilgjengelig fra: 2013-08-06 Laget: 2013-08-06 Sist oppdatert: 2019-06-28bibliografisk kontrollert

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