Kinetics of volatilization in rapid heating mass spectroscopy: activation energies for some hydrogen-bonding species

BW Williams, AP Irsa, H Zmora…

Index: Williams, Brian Wesley; Irsa, A. Peter; Zmora, Hagai; Beuhler, Robert J. Journal of Physical Chemistry, 1983 , vol. 87, # 12 p. 2185 - 2190

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Citation Number: 5

Abstract

Activation energies and characteristic temperatures for the volatilization of several hydrogen- bonding compounds with mild to rapid heating mass spectroscopy techniques are reported. A homologous series of N-acetyl (L-alanine), methyl esters, di-through pentaalanine, show a regular increase in activation energy of 7-9 kcal/mol per alanine residue as studied by single- ion-impact tandem mass spectroscopy. The rapid heating-chemical ionization mass ...