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

Table 6

Analysis of clarithromycin 28 𝜇g mL⁻¹ (5 × 10⁻⁴ M) by the spectrophotometric method in the presence of some common excipients.

Tolerance molar ratio ( M : M)*	Glucose	Sucrose	Carboxy methyl cellulose sodium	Sodium chloride
	Recovery %**
1 : 1	101.24	101.07	100.89	99.82
1 : 10	100.36	101.24	99.11	99.82
1 : 50	115.45	102.13	100.35	99.47
1 : 100	106.57	107.46	98.22	99.29

*Drug: excipient.
**Mean of three determinations.