Copper ethylenediamine

Starch Water, chloral hydrate, copper ethylenediamine Acetone, methanol... 

SYNS COPPER-ETHYLENEDIAMINE COMPLEX CUPRIETHYLENE DIAMINE ... 

The results of Cu loadings observed for samples prepared by ion exchange of silica with [Cu(en)2] appear to be confirmed by the recent data reported by Toupance, et al on their attempts to prepared Cu/silica solids. They reported Cu loadings < 2 wt% when the cation was the copper ethylenediamine however, they did not mention the use of a co-solvent. 

Reactions of Schiff bases coordinated with metal ions have been examined from the standpoint of stability and reactivity. Eichhorn (23, 25) examined the complex formed between bis-(thiaphenal)ethylene-diimine and copper(II). It was found that, when complexed to copper(II), the ligand becomes unstable and hydrolysis occurs this leads to the aldehyde and the copper-ethylenediamine complex. 

Complexed metal ion stabilized alkali metal polysilicates can also be used, such as copper ethylenediamine hydroxide stabilized sodium polysilicate made by mixing... 

Complexed metal ion stabilized alkali metal polysilicates can also be used, such as copper ethylenediamine hydroxide stabilized sodium polysilicate made by mixing copper ethylenediamine with colloidal silica and then the silicate, or the stabilized polysilicates of U.S. Pat. No. 3,715,224. 

It is instructive to compare the copper-ammonia and the copper-ethylenediamine systems. The greater stability of chelates over simple coordination compounds is dramatically seen in the much lower en concentration, 10 M, as compared to 10 M for NHj, at which the free copper ion concentration begins to fall. It will also be observed that the greater separation of the stepwise constants than is observed with simple... 

Cupriethylene diamine Cupriethylenediamine solution. See Copper-ethylenediamine complex... 

Ethane, 1,2-diamino-, copper complex. See Copper-ethylenediamine complex Ethane, 1,2-dibromo. See Ethylene dibromide Ethane, 1,2-dibromotetrafluoro- Ethane, 1,2-... 

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Analogs of copper-ethylenediamine solvents have been developed in which metal ions of cobalt, zinc, nickel or cadmium are used to replace copper. The cadmium analog, known as cadoxen, is colorless. Evidently, cadmium also complexes with cellulose to bring about its dissolution. ... 

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