A simple, accurate, and cost-effective UV spectroscopic method has been developed for the simultaneous estimation of rifampin in pharmaceutical formulations. Rifampin, a key anti-tuberculosis drug, exhibits characteristic absorption in the UV region, making it suitable for analysis via UV spectroscopy. The method involves determining the absorbance maxima of rifampin in a suitable solvent at specific wavelengths. The linearity of the drug was established in a given concentration range, and the method was validated according to ICH guidelines for parameters such as accuracy, precision, and reproducibility. This UV spectroscopic technique offers an efficient alternative to more complex analytical methods, providing reliable results for quality control and routine analysis in pharmaceutical environments.
rifampin, isoniazid, uv- spectroscopy, simultaneous estimation method, method development
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