Ahmed MJ, Happy T. Development of a new highly sensitive and selective spectrophotometric method for the determination of cobalt at nanotrace levels in various complex matrices using N,N’-bis(salicylidene)-ethylenediamine. Eur. J. Chem. [Internet]. 2022 Mar. 31 [cited 2024 Dec. 19];13(1):20-32. Available from: https://eurjchem.com/index.php/eurjchem/article/view/2139