TABLE 1.
Carbenoxolone | Control | Mean concentration (ng/g) |
CV (%) |
Bias (%) |
---|---|---|---|---|
Intra-day (n = 3) | LQC (30 ng/g) | 28 | 15 | −7 |
MQC (300 ng/g) | 314 | 15 | 5 | |
HQC (750 ng/g) | 800 | 9 | 7 | |
Inter-day (n = 15) | LQC (30 ng/g) | 27 | 9 | −10 |
5 days | MQC (300 ng/g) | 285 | 13 | −5 |
HQC (750 ng/g) | 754 | 10 | > 1 |
LQC, Low quality control; MQC, medium quality control; HQC, high quality control.