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Table 6 Results of analysis of tablets using proposed ISEs and statistical comparison of the results with the reference method

From: Development of membrane electrodes for selective determination of lisinopril in pharmaceuticals

Brand name of tablet analysed

mg of LNP/tablet

Found*

%Label claim ± SD

Reference method

ISE

LNP-PTA

LNP-PMA

Listril

10.00

98.72 ± 1.08

99.65 ± 1.21

t = 1.28

F = 1.25

98.38 ± 1.22

t = 0.47

F = 1.27

  1. *Mean value of five determinations