López-Lorente, A I Determination of carboxylic SWCNTs in river water by microextraction in ionic liquid and determination by Raman spectroscopy. [electronic resource] - Talanta Feb 2013 - 75-9 p. digital Publication Type: Journal Article ISSN: 1873-3573 Standard No.: 10.1016/j.talanta.2012.11.052 doi