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Table 18 Long-term stock solution stability for internal standard LQC

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

S. No. Solution 2 (14 days) Solution 3 (0 day)
Analyte area IS area Area ratio Analyte area IS area Area ratio
1 58,926 1,650,164 28.00401 41,817 1,175,778 28.11723
2 58,933 1,642,596 27.87226 41,215 1,151,561 27.94034
3 58,486 1,695,246 28.98550 41,798 1,116,568 26.71343
4 55,830 1,678,648 30.06713 41,422 1,148,997 27.73881
5 59,683 1,697,852 28.44783 39,561 1,164,781 29.44266
6 62,675 1,732,273 27.63898 41,488 1,142,573 27.53984
   Mean 28.50262   Mean 27.91538