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. 2021 Aug 11;40(1):180–188. doi: 10.1007/s11419-021-00591-w

Table 3.

Standard addition calibration equations for flualprazolam in body fluids and solid tissues of the deceased

Specimen Equation Correlation coefficient (r)
Heart serum y = 14.6 x + 372 0.995
Femoral blood y = 17.6 x + 387 0.986
Brain y = 17.7 x + 145 0.990
Stomach content y = 19.0 x + 252 0.977
Liver y = 24.7 x + 306 0.990
Kidney y = 22.4 x + 201 0.989

y area ratio of flualprazolam to internal standard, x concentration of flualprazolam