Wang1, T.-E., Xue1, L.-K., Zheng1, W.-F., & Du1, X.-Z. (2014). Concentration and Determination of Ultraviolet Filters in Environmental Water Samples with Ionic Liquid-Dispersive Liquid-Liquid Microextraction Followed by High Performance Liquid Chromatography. Asian Journal of Chemistry, 26(20), 6827–6832. https://doi.org/10.14233/ajchem.2014.16955