Ansari, S A Extraction chromatographic studies of metal ions using N,N,N',N'-tetraoctyl diglycolamide as the stationary phase. [electronic resource] - Talanta Feb 2006 - 1273-80 p. digital Publication Type: Journal Article ISSN: 1873-3573 Standard No.: 10.1016/j.talanta.2005.07.042 doi