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Table 12 Recovery of internal standard

From: Development and validation of bexarote by bioanalytical methods using liquid chromatography-tandem mass spectroscopy (LC-MS/MS)

Quality control
Sample ID
Aqueous IS area Extracted IS area
LQC 412,999 430,053
412,341 432,371
406,330 434,330
409,620 436,925
412,767 511,773
405,852 440,319
MQC 463,632 417,498
456,101 430,227
465,696 418,482
465,204 414,215
465,835 400,164
462,232 417,807
HQC 421,616 372,759
423,021 366,983
416,624 384,868
413,104 380,280
427,069 383,931
424,578 359,396
Mean 431,367.83333 412,910.05560