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Table 1 Accuracy of the proposed HPLC method

From: Rapid simultaneous determination of indacaterol maleate and glycopyrronium bromide in inhaler capsules using a validated stability-indicating monolithic LC method

Formulation

Concentration taken

Concentration added (µg/mL)

Accuracy %a

Ultibro® Breezhaler®

11, 5 µg/mL

IND

GLY

IND

GLY

5.5

2.5

99.81

100.19

15

5

100.34

101.02

22

10

100.72

100.35

Mean % ± SD

   

100.29 ± 0.46

100.52 ± 0.44

%RSD

   

0.46

0.44

Onbrez Breezhaler®

15 µg/mL

IND

 

IND

 

5.5

 

101.09

 

15

 

100.21

 

22

 

99.78

 

Mean % ± SD

   

100.36 ± 0.67

 

%RSD

   

0.67

 

Seebri® Breezhaler®

5 µg/mL

 

GLY

 

GLY

2.5

 

99.42

 

5

 

100.37

 

10

 

100.14

Mean % ± SD

    

99.98 ± 0.49

%RSD

    

0.49

  1. aEach result is the average of three separate determinations
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BMC Chemistry

ISSN: 2661-801X

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