Figure 2. Chromatographic curve from blanks of Wistar rat blood
(A); chromatographic curve from pure substances and IS (5 mg/mL)
(B); chromatographic curve from fortified sample (5 mg/mL) of Wistar rat blood
(C); chromatographic curve from blood sample collected from Wistar rat intraperitoneally injected with a combination of heroin (10 mg/kg) and Tr (70 mg/kg) (collection at 30 min): window reports a magnification of the chromatographic run showing M peak (D).