Spectrophotometric Determination of Terbutaline Sulphateand Tetracycline Hydrochloride via Ion pair Complex Formation Using Eosin Y. Pak. J. Anal. Environ. Chem. [Internet]. 2014 Jun. 30 [cited 2025 Jul. 12];15(1):84-92. Available from: https://pjaec.pk/index.php/pjaec/article/view/347