Chromium (VI) oxide oxidation of non??ethoxylated and ethoxylated alcohols for determination by electrospray ionization mass spectrometry
M Beneito??Cambra, V Bernabé??Zafón…
Index: Beneito-Cambra, Miriam; Bernabe-Zafon, Virginia; Simo-Alfonso, Ernesto F.; Ramis-Ramos, Guillermo Rapid Communications in Mass Spectrometry, 2010 , vol. 24, # 14 p. 2093 - 2100
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Citation Number: 5
Abstract
Abstract A new derivatization procedure to increase the sensitivity of electrospray ionization mass spectrometry (ESI-MS) to non-ethoxylated and ethoxylated alcohols was investigated. The analytes were oxidized with chromium (VI) oxide and the resulting carboxylic and ethoxy-carboxylic acids were isolated by extraction with ethyl acetate; the extracts were alkalinized and infused into the ESI-MS system working in the negative-ion mode. The ...
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