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. 2021 Nov 22;59(1):1574–1582. doi: 10.1080/13880209.2021.2002369

Table 3.

Concentration of standards used for the calibration curve.

Samplesa Metformin Concentration (ng.mL−1) Isoniazid Concentration (ng.mL−1) Final Volume (µL)
LLQ 10 1000 300
LQC 25
AQC 50
DQC 100
MQC 250
HQC 750
HLQ 1000

aLLQ: Lower Limit of Quantification; LQC: Low Quantification Control; AC: Addition Control; DQC: Diluted Quantification Control; MQC: Medium Quantification Control; High Concentration Control; HLQ: Higher Limit of Quantification.