Preparation and characterization of a number of complexes of Mn (II), Co (II), Ni (II), Cu (II), Hg (II) ions With a mixture of saccharin ligands, barbituric acid and thiobarbituric. cbej [Internet]. 2022 Dec. 27 [cited 2024 Jul. 6];22(96):147-64. Available from: https://cbej.uomustansiriyah.edu.iq/index.php/cbej/article/view/8928