Response Surface Optimization of a Rapid Ultrasound-Assisted Extraction Method for Simultaneous Determination of Tetracycline Antibiotics in Manure

<div>Observed versus predicted responses (a) and internally studentized residuals versus predicted responses (b).</div>

Journal of Analytical Methods in Chemistry

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Figure 2

Figure 2: Response Surface Optimization of a Rapid Ultrasound-Assisted Extraction Method for Simultaneous Determination of Tetracycline Antibiotics in Manure 

Figure 2 | Response Surface Optimization of a Rapid Ultrasound-Assisted Extraction Method for Simultaneous Determination of Tetracycline Antibiotics in Manure 