Implementation of Quality by Design for the Development and Validation of Pioglitazone Hydrochloride by RP-UPLC with Application to Formulated Forms

Table 5

Results of accuracy study (𝑛=5).

Concentration of PGZ injected, 𝜇g mL^−1	Intra-day		Inter-day
	Concentration of PGZ found, 𝜇g mL^−1	RE^a, %	Concentration of PGZ found, 𝜇g mL^−1	RE, %
100	102.34	2.34	98.47	1.53
200	202.12	1.06	203.21	1.61
300	304.12	1.37	302.45	0.82

 ^aRelativeerror.