This chapter contains sections titled: Bis(ethylenediamine)oxalatocobalt(III)Chloride Monohydrate Resolution of Bis(ethylenediamine)oxalatocobaltate(III)Ion Resolution of Potassium [[Ethylenediaminetetraacetato](4-)]-cobaltate(III)Dihydrate Potassium sym-cis-[[Ethylenediamine-N,N′-diacetato](2-)]-dinitrocobaltate(III) Resolution of Potassium sym-cis-[[Ethylenediamine-N,N′-diacetato]-(2-)]dinitrocobaltate(III)