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Egyptian Journal of Forensic Sciences
Fig. 2 | Egyptian Journal of Forensic Sciences

Fig. 2

From: Analysis of opioids in postmortem urine samples by dispersive liquid-liquid microextraction and high performance liquid chromatography with photo diode array detection

Fig. 2

Effects of the pH on the recovery of morphine, codeine and methadone from postmortem urine samples. Extraction conditions: sample volume: 5 ml, volume of acetone: 500 μl and volume of chloroform: 300 μl, extraction time: 0.5 min and the spiked concentration of morphine, codeine and methadone was 10 μg ml− 1

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