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Egyptian Journal of Forensic Sciences

Table 1 Quantitative results of morphine, codeine and methadone in spiked postmortem urine samples by DLLME- HPLC-PDA

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

Analyte

Linearity

R2

LOD (μgl−1)

LOQ (μg l− 1)

Morphine

y = 22,063 x + 1135.8

0.9991

25

100

Codeine

y = 669,350 x - 217,207

0.9995

9

30

Methadone

y = 892,444 x - 50,709

0.9989

10

35.5

  1. Extraction condition: sample volume, 5 ml, pH = 9.8, volume of acetone as disperser solvent: 500 μl; volume of chloroform as extraction solvent: 300 μl and extraction time of 0.5 min
  2. LOD (Limit of detection) for an S/N = 3
  3. LOQ (Limit of quantification) for an S/N = 10
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