Mannan, A. (2018) “PICRIC ACID; AN ALTERNATIVE SPECTROPHOTOMETRIC REAGENT FOR ESTIMATION OF EDTA SALTS”, International Journal of Research in AYUSH and Pharmaceutical Sciences. India, 2(6), pp. 266–268. Available at: https://ijraps.in/index.php/ijraps/article/view/49 (Accessed: 6 July 2025).