Chromatography Separation Techniques LC-MS Analysis of Low Molecular Weight Carbonyl Compounds as 2 , 4-Dinitrophenylhydrazones Using Negative Ion Mode Electronspray Ionization Mass Spectrometry

@inproceedings{Yasuhara2011ChromatographyST,
  title={Chromatography Separation Techniques LC-MS Analysis of Low Molecular Weight Carbonyl Compounds as 2 , 4-Dinitrophenylhydrazones Using Negative Ion Mode Electronspray Ionization Mass Spectrometry},
  author={Akio Yasuhara and Yuuka Tanaka and Miyuki Makishima and Shigeru Suzuki and Takayuki Shibamoto},
  year={2011}
}
Organic compounds in the environment, such as pesticides, degrade into inorganics via transformation into carbonyl compounds, such as formaldehyde, acetaldehyde, and acetone. 2, 4-Dinitrophenylhydrazones of 37 carbonyl compounds were prepared with 2, 4-dinitrophenyl hydrazine (DNPH). Their ESI negative spectra and EI positive spectra were obtained using an HPLC-mass spectrograph. EI positive spectra showed more ions than ESI negative spectra except in the case of two hydrazones. Molecular ions… CONTINUE READING

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