DETERMINATION OF ASSOCIATION AND DISSOCIATION CONSTANTS OF Co(II), Ni(II), Cu(II), Zn(II), Cd(II) AND Hg(II) METAL ION COMPLEXES WITH 3-(((3-(2-HYDROXYPHENYL)-1-PHENYL-1H-PYRAZOL-4-YL)METHYLENE)HYDRAZONO)INDOLIN-2-ONE.
International journal of advanced research