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Table 4 Recovery study

From: Development and validation of stability-indicating RP-HPLC method for the simultaneous estimation of xylometazoline hydrochloride and ipratropium bromide from nasal spray dosage form

 

Xylometazoline

Ipratropium bromide

Recovery level in %

% Recovery

% Average recovery

% Recovery

% Average recovery

50%

99.7

99.4

98.5

98.3

99.2

98.3

99.4

98.2

100%

101.2

101.1

101.4

101.3

101.3

101.4

100.9

101.2

150%

101.6

101.6

101.6

101.5

101.5

101.5

101.6

101.5