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Table 5 Selectivity evaluation of the proposed first derivative synchronous spectrofluorometric method for the determination of MTK and BIL

From: Development of a green synchronous spectrofluorimetric technique for simultaneous determination of Montelukast sodium and Bilastine in pharmaceutical formulations

Substance added

Amount added

MTK

BIL

% Recovery ± SDa

μg mL−1

ng mL−1

ng mL−1

MTK

BIL

Talk

10

300

600

99.90 ± 1.27

98.90 ± 1.68

Zinc oxide

10

300

600

100.25 ± 1.67

99.49 ± 0.64

Mg stearate

10

300

600

100.14 ± 1.37

100.06 ± 0.73

Starch

10

300

600

100.06 ± 1.56

98.33 ± 1.03

Glucose

10

300

600

99.95 ± 1.63

99.15 ± 1.30

Lactose

10

300

600

100.54 ± 1.05

100.05 ± 0.50

  1. aMean of five determination