New ultraviolet signal actuated switchin
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Jean-Claude Wolff; Lorna Barr; Phillip Moss
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Article
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1999
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John Wiley and Sons
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English
β 118 KB
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A new ultraviolet (UV) signal actuated switching valve for diverting the main matrix compound to waste, preventing it entering the ion source of the mass spectrometer is described. Sensitivity for trace impurities eluting after the drug substance cimetidine or related compounds could be enhanced by