Figure 1From: Ultra high performance liquid chromatography tandem mass spectrometry for rapid analysis of trace organic contaminants in water Extracted ion chromatogram (quantifiers only) of 100 μg/L standard mixture in ESI positive. a) caffeine, b) trimethoprim, c) sucralose, d) primidone e) sulfamethoxazole, f) meprobamate, g) triamcinolone, h) hydrocortisone, i) prednisone, j) simazine, k) carbamazepine, l) fluoxetine m) dexamethasone n) TCEP, o) atrazine, p) testosterone, q) norethisterone, r) TCPP, s) norgestrel, t) benzophenone, u) diphenhydramine, v) diltiazem w) DEET. Qualifier ion and surrogate standard chromatograms have been removed for clarity.Back to article page