%0 Journal Article %T Determination of the stability constants of the proton AND Co(II), Ni(II), Cu(II), Zn(II), Fe(III) COMPLEXES of 3,5-dimethyl tetrahydro-1,3,5-thiadiazine-2-thione by the potentiometric method %A ERÇAĞ, A. %A TURAK, F. %A ÖZGÜR, M. %A BOZDOĞAN, A. %J Sigma Journal of Engineering and Natural Sciences %D 2007 %V 25 %P 359-366 %R