Table 1 Regression equations, R2, Calibration range, LOD, LOQ and retention time (min.) of the tested cannabinoids
From: Evaluation of dispensaries’ cannabis flowers for accuracy of labeling of cannabinoids content
Compound | Regression equation | R2 | Calibration range (% w/w) | LOD (% w/w) | LOQ (% w/w) | Retention time (min.) |
|---|---|---|---|---|---|---|
THCV | y = 0.4141x–0.0029 | 0.9992 | 0.01–0.5 | 0.005 | 0.01 | 7.30 |
CBD | y = 0.359x–0.0032 | 0.9997 | 0.01–70 | 0.005 | 0.01 | 8.23 |
CBC | y = 0.3064x–0.0027 | 0.9999 | 0.01–3 | 0.005 | 0.01 | 8.33 |
Δ8-THC | y = 0.3174x–0.0021 | 0.9999 | 0.01–3 | 0.005 | 0.01 | 8.85 |
Δ9-THC | y = 0.3669x + 0.0002 | 0.9998 | 0.01–70 | 0.005 | 0.01 | 9.03 |
CBG | y = 0.3461x–0.0113 | 0.997 | 0.01–3 | 0.005 | 0.01 | 9.62 |
CBN | y = 0.3286x + 0.0052 | 0.9989 | 0.01–3 | 0.005 | 0.01 | 9.72 |
I.S | - | - | - | - | - | 10.07 |