1.
Chand A, Sen NK, Singh S. Determination of free acidity in aluminium sulphate and alum using hexamine and potassium fluoride as complexing agent. Def. Sc. J. [Internet]. 2014 Mar. 29 [cited 2025 Jul. 4];12(1):79-88. Available from: https://publications.drdo.gov.in/ojs/index.php/dsj/article/view/6837