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- W2388834944 abstract "A method was developed in this study for analysis of residual tetracycline (TC),chlortetracycline (CTC) and oxytetracycline (OTC) in swine manure.This method used McⅠlvaine-Na2EDTA buffer as extraction solution and solid-phase extraction(SPE)followed by an ultra performance liquid chromatography/hybrid quadrupole time of flight mass spectrometer (UPLC/Q-ToF MS/MS) with positive ion electrospray. At the spiked concentrations ranging from 0.5—10.0 mg·kg-1 DW (dry weight),all the coefficients (R2) of standard curves of OTC,TC and CTC were more than 0.99,and their relative standard deviations were less than 3%. The quantitative recoveries of OTC,TC and CTC were in the range of 70.0% and 113.0%. The analysis of OTC,TC and CTC could be done within 5 minutes by the UPLC/Q-ToF MSMS,and the method detection limits(MDL)were 0.1mg·kg-1 DW,0.1mg·kg-1 DW and 0.2mg·kg-1 DW for OTC,TC and CTC,respectively. Investigation results of concentrated swine farms in Beijing showed that all these three tetracyclines were detected in swine manure,including 10.5—513.4 mg·kg-1 DW of OTC,12.53—77.10 mg·kg-1 DW of TC,and 0.0—19.22 mg·kg-1 DW of CTC." @default.
- W2388834944 created "2016-06-24" @default.
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- W2388834944 date "2009-01-01" @default.
- W2388834944 modified "2023-09-23" @default.
- W2388834944 title "DETERMINATION OF TETRACYCLINES RESIDUES IN SWINE MANURE BY UPLC/MS" @default.
- W2388834944 hasPublicationYear "2009" @default.
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