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Table 3 Method parameters for MCs under the optimized chromatographic conditions and quantified by online-SPE UHPLC–MS/MS

From: Method development and validation for simultaneous quantification of microcystin congeners in water

Compound Retention time (min) Linear range (ng L–1) R2 SNR LOQ (ng L–1) LOD (ng L–1) Accuracy (%) Precision (%)
MC-LR 7.20 10–1000 0.991 423 0.24 0.07 90.2 7.28
MC-YR 7.16 10–1000 0.993 510 0.20 0.06 86.6 4.06
MC-RR 6.95 5–500 0.995 753 0.07 0.02 65.9 5.03
MC-WR 7.29 50–1000 0.992 405 1.24 0.37 54.8 7.86
MC-LA 7.67 10–1000 0.991 458 0.22 0.07 100 8.83
MC-LF 8.01 10–1000 0.995 365 0.27 0.08 103 9.24
MC-LY 7.72 10–1000 0.990 202 0.50 0.15 86.4 7.78
MC-LW 7.96 10–1000 0.994 530 0.19 0.06 120 7.99