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. 2017 Nov 12;26(2):725–730. doi: 10.1016/j.jfda.2017.09.005

Fig. 2.

Fig. 2

Multiple-reaction-monitoring chromatography from left hand to right hand is extracted ion chromatogram, tolerance for relative ion intensities and mass spectrum. (a) spiked 100 ng g−1 ractopamine of pig hair (b) internal standard of 50 ng g−1 ractopamine (c) spiked 100 ng g−1 salbutamol of pig hair (d) internal standard of 50 ng g−1 salbutamol (e) real sample of ractopamine (f) real sample of salbutamol.