Condition LQC (40.00 ng/mL) MQC (600.00 ng/mL) HQC (1000.00 ng/mL)
Mobile phase: acetonitrile: 5 mM ammonium acetate buffer
Negative level (90.1:9.9, v/v) 39.90 ± 1.39 (3.48%) 595.43 ± 10.26 (1.72%) 988.54 ± 14.64 (1.49%)
Zero level (90:10, v/v) 39.93 ± 1.29 (3.23%) 597.25 ± 14.82 (2.48%) 996.82 ± 17.35 (1.74%)
Positive level (89:10.1, v/v) 39.91 ± 1.08 (2.71%) 593.65 ± 12.41 (2.09%) 995.94 ± 14.76 (1.48%)
Flow rate
Negative level (0.99 mL/min) 39.88 ± 1.09 (2.73%) 596.67 ± 12.57 (2.10%) 985.87 ± 12.34 (1.57%)
Zero level (1.0 mL/min) 39.92 ± 1.24 (3.10%) 597.76 ± 13.89 (2.32%) 994.26 ± 10.46 (1.31%)
Positive level (1.01 mL/min) 39.89 ± 1.15 (2.88%) 592.39 ± 15.98 (2.69%) 998.71 ± 15.21 (1.90%)
Table 6: Robustness of the method (n=6).