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Records 121 to 140 of 152

Authors Title Journal Year

Vol.

 Issue

Pages
Kenttamaa H. I. Long-Lived Distonic Radical Cations Org. Mass Spectrom. 1994 29 - 1-10
Stirk K. M.;Lin, P. P.;Ranatunga, T. D.;Zeller, L. C.;Farrell, J. T.;Kenttamaa, H. I. Comparison of Energy-Resolved Low-Energy Cad of Stable and Isomerizing Ions in an Ft-Icr and in Other Tandem Mass Spectrometers Int. J. Mass Spectrom. Ion Process. 1994 130 - 187-205
Stirk K. M.;Smith, R. L.;Orlowski, J. C.;Kenttamaa, H. I. Bimolecular Reactions Involving the Radical Site of the Distonic Ion .Ch2ch2ch2co+ Rapid Commun. Mass Spectrom. 1993 7 - 392-399
Pakarinen J. M. H.;Vainiotalo, P.;Pakkanen, T. A.;Kenttamaa, H. I. An Experimental and Theoretical-Study of Ionized Hydroxyacetone - a Stable, Hydrogen-Bridged Radical-Cation J. Am. Chem. Soc. 1993 115 - 12431-12440
Zeller L. C.;Farrell, J. T.;Kenttamaa, H. I.;Kuivalainen, T. Multiple-Stage Mass-Spectrometry in Structural Characterization of Organophosphorus Compounds J. Am. Soc. Mass Spectrom. 1993 4 - 125-134
Zeller L. C.;Kennady, J. M.;Kenttamaa, H.;Campana, J. E. Characterization of a Small Ft-Icr Mass-Spectrometer Based on a Permanent-Magnet Anal. Chem. 1993 65 - 2116-2118
Smith R. L.;Chyall, L. J.;Stirk, K. M.;Kenttamaa, H. I. Radical-Type Reactivity of the Methylenedimethylsulfonium Ion, (Ch3)2s+-Ch2 Org. Mass Spectrom. 1993 28 - 1623-1631
Smith R. L.;Franklin, R. L.;Stirk, K. M.;Kenttamaa, H. I. Organic Radical Cations Abstract Methylene from Ketene to Produce Stable Distonic Ions J. Am. Chem. Soc. 1993 115 - 10348-10355
Ranatunga T. D.;Poutsma, J. C.;Squires, R. R.;Kenttamaa, H. I. The Heat of Formation of (Ch3o)2b+ Int. J. Mass Spectrom. Ion Process. 1993 128 - L1-L4
Ranatunga T. D.;Kenttamaa, H. I. Dicoordinated Boron Cations Dehydrate Organic Ethers in the Gas-Phase J. Am. Chem. Soc. 1992 114 - 8600-8604
Zeller L.;Farrell, J.;Vainiotalo, P.;Kenttamaa, H. I. Long-Lived Radical Cations of Simple Organophosphates Isomerize Spontaneously to Distonic Structures in the Gas-Phase J. Am. Chem. Soc. 1992 114 - 1205-1214
Kenttamaa H. Analytical-Chemistry at Purdue-University Trac-Trends Anal. Chem. 1992 11 - R6-R8
Kenttamaa H. I.;Kiminkinen, L. K. M.;Orlowski, J. C.;Stirk, K. M. Bimolecular Reactions of Ch2ch2och2+ - a Comparison with the Chemical-Properties of Ch3ch2och2+ and Ionized Trimethylene Oxide Rapid Commun. Mass Spectrom. 1992 6 - 734-740
Kiminkinen L. K. M.;Stirk, K. G.;Kenttamaa, H. I. A Remarkably Stable Organic Radical Cation - the Distonic Isomer of the Unstable Radical Cation of Dimethyl Propyl Phosphate J. Am. Chem. Soc. 1992 114 - 2027-2031
Kiminkinen L. K. M.;Zeller, L. C.;Kenttamaa, H. I. The Structure of the Long-Lived Radical Cation of Ethyl-Acetate J. Chem. Soc.-Chem. Commun. 1992 - - 466-468
Lin P. P.;Kenttamaa, H. I. Reaction of O-2(+.) with Ch4 - a Study of Ion Energies in a Dual-Cell Fourier-Transform Ion-Cyclotron Resonance Mass-Spectrometer Org. Mass Spectrom. 1992 27 - 1155-1156
Lin P. P.;Kenttamaa, H. I. Protonated Propylene-Oxide Is Stable Towards Isomerization in the Gas-Phase J. Phys. Org. Chem. 1992 5 - 201-208
Stirk K. M.;Orlowski, J. C.;Leeck, D. T.;Kenttamaa, H. I. The Identification of Distonic Radical Cations on the Basis of a Reaction with Dimethyl Disulfide J. Am. Chem. Soc. 1992 114 - 8604-8606
Stirk K. G.;Kenttamaa, H. I. Bimolecular Reactions of the Beta-Distonic Isomer of the Ethanol Radical Cation - Ch2ch2oh2+ J. Phys. Chem. 1992 96 - 5272-5276
Stirk K. M.;Kenttamaa, H. I. Transfer of Ionized Ketene From .Ch2ch2ch2co+ to Acetone Org. Mass Spectrom. 1992 27 - 1153-1154