Preparation of Some as-Triazines, Their Evaluation as Spectrophotometric Reagents and Determination of Trace Amount of Iron in Certain Food and Natural Samples. Dhaka Univ. J. Sci. [Internet]. 2023 Oct. 18 [cited 2026 Jul. 9];71(2):111-6. Available from: https://banglajol.info/index.php/DUJS/article/view/69093