New Spectrophotometric and Conductometric Methods for Macrolide Antibiotics Determination in Pure and Pharmaceutical Dosage Forms Using Rose Bengal

Table 5

The intraday and interday precision and accuracy data for the studied drugs using the spectrophotometric method.

Intraday						Interday
Drug	Taken (𝜇g mL^−1)	Found (𝜇g mL^−1)^a	Recovery %	Precision RSD %^b	Accuracy Er %^c	Taken; (μg mL^−1)	Found (𝜇g mL^−1)^a	Recovery %	Precision RSD %^b	Accuracy Er %^c
(I)	50	50.28	100.56	0.29	0.56	50	50.34	100.68	0.39	0.68
(II)	30	30.33	101.09	0.56	1.09	30	30.17	100.57	0.46	0.57
(III)	16	15.99	99.95	0.19	−0.05	16	16.01	100.07	0.25	0.07

^aAverage of seven determinations.
^bRSD %, percentage relative standard deviation.
^cEr %, percentage relative error.