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. 2023 Nov 8;8(46):43538–43545. doi: 10.1021/acsomega.3c03977

Table 3. Recovery Values for Phenobarbital Determination in Spiked Urine Samples.

    ISE I
 ISE II
sample no. spiked, μM found, μMa recovery, % found, μMa recovery, %
1 5.0 4.91 ± 0.2 98.2 4.88 ± 0.1 97.6
2 10.0 9.87 ± 0.1 98.7 10.17 ± 0.1 101.7
3 20.0 20.12 ± 0.1 100.6 19.62 ± 0.3 98.1
a

Average of three measurements (n = 3).