![[Me and My Jeep]](header/jims_jeep.JPG) |
James P. Kercher
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Useful Links | Jeep Stuff | Life Is Good Current Research | Past Research | Publications | Resume/CV |
| My Useful Links |
UW Webmail UNC Webmail Road Runner |
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Science Nature J. Am. Chem. Soc. |
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Int. J. Mass Spec. J. Phys. Chem. A J. Phys. Chem. B |
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Atm. Chem. & Phys. Aero. Sci. & Tech. Phys. Chem. Chem. Phys. |
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Geo. Res. Let. Web of Knowledge Am. Chem. Soc. |
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DCU Financial NC SECU WSECU Thrivent Financial |
| Current Research |
| Halogen Chemistry at the Sea Ice Surface UW (6/18-6/07) |
| The reaction of N2O5 on sea spray aerosol particles is known to release nitryl halides. Recent air mass trajectory analyses suggest ozone depletion events are correlated with air mass passage over young sea ice . To our knowledge, the reaction of N2O5 on sea ice surfaces has not yet been studied. We have examined the rate and product yields from the uptake of N2O5 on natural and artificial sea ice surfaces using a coated wall flow tube technique coupled to a chemical ionization mass spectrometer (CIMS). A wide range of halogenated species, including ClNO2, Cl, BrNO2, and Br2 and Br are promptly produced resulting in a near unity yield of gaseous halogen release. Cl containing species dominate the halogenated products, but only by a factor of 4 over Br containing products, suggesting preferential activation of Br. The product yield and reaction rates are interpreted in the context of expected sea ice and atmospheric composition for a range of polar conditions. Our findings imply that for certain conditions this chemistry may contribute substantially to polar halogen chemistry, for example, by affecting the gaseous Br/Cl radical ratio.. |
| Previous Research Projects |
| Portable Single Particle Aerosol Time of Flight Mass Spectrometry UNC-CH (1/07-6/07) |
Threshold Photoelectron Photoion Coincidence Time-of-Flight Mass Spectrometry UNC-CH (6/02-12/06) |
| The goal of this project is the continued development of a portable single particle aerosol time-of-flight mass spectrometer (ATOFMS) cabable of measuring heterogenous aerosol chemistry in real time. Recent work has been devoted to optimizing particle detection via light scattering in the timing region of the instrument. One system of interest is the ozonolysis of oleic acid. | The goal of this TPEPICO project is to investigate unimolecular dissociation dynamics of various gas phase species in order to obtain
rate, energetic and thermochemical information of the various products. The measured energy required for dissociation can be used in a thermochemical cycle in order to obtain
the heat of formation of the unknown species. Recent work has involved 2-pentanone, a series of ethyl phosphines, and a temperature controlled study of n-butyl iodide. |
| Publications |
| [9] |
James P. Kercher, Will Stevens, Zsolt Gengelizcki, and Tomas Baer. "Modeling Unimolecular Dissociations from a Temperature Controlled TPEPICO Study on 1-C4H9I+ Ions." Int. J. Mass Spec. 2007, 267(1-3) 159-166. [PDF] |
| [8] |
James P. Kercher, Zsolt Gengeliczki, Bálint Sztáray, and Tomas Baer. "Dissociation Dynamics of Sequential Ionic Reactions: Heats of Formation of Tri-, Di-, and Monoethyl Phosphine Ions." J. Phys. Chem. A, 2007, 111(1) 16-26. [PDF] |
| [7] |
Andras Bodi, James P. Kercher, Curtis Bond, Patcharica Meteesatien, Bálint Sztáray, and Tomas Baer. "Photoion Photoelectron Coincidence Spectroscopy of Primary Amines RCH2NH2 (R=H, CH3, C2H5, C3H7, i-C3H7): Heats of Formation by Isodesmic Reaction Networks." J. Phys. Chem. A, 2006, 110(50) 13425-13433. [PDF] [Supporting Material 1] [Supporting Material 2] [Supporting Material 3] |
| [6] |
James P. Kercher, Bálint Sztáray, and Tomas Baer. "On the Dissociation of the 2-Pentanone Ion Studied by Threshold Photoelectron Photoion Coincidence Spectroscopy." Int. J. Mass Spec. 2006, 249, 403-411. [PDF] |
| [5] |
Tomas Baer, Bálint Sztáray, James P. Kercher, A.F. Lago, Andras Bodi, Christopher Scull, and Don Palathinkal." "Threshold Photoelectron Photoion Coincidence Studies of Parallel and Sequential Reactions. Phys. Chem. Chem. Phys. 2005, 7(7), 1507-1513. [PDF] |
| [4] |
A.F. Lago, James P. Kercher, Andras Bodi, Brad Miller, Dan Wurzleman, and Tomas Baer. "Dissociative Photoionization and Thermochemistry of Dihalomethane Compounds Studied by Threshold Photoelectron Photoion Coincidence Spectroscopy." J. Phys. Chem. A, 2005, 109(9), 1802-1809. [PDF] |
| [3] |
James P. Kercher, Elizabeth A. Fogleman, Hideya Koizumi, Bálint Sztáray, and Tomas Baer. "The Heats of Formation of the Propionyl Ion and Radical and 2,3-Pentanedione by Threshold Photoelectron Photoion Spectroscopy." J. Phys. Chem. A, 2005, 109(5), 939-946. [PDF] |
| [2] |
Andras Bodi, James P. Kercher, Bálint Sztáray, and Tomas Baer. "On The Mechanism of Parallel Dissociation in Energy-Selected P(CH3)3+ Ions." J. Phys. Chem. B, 2005, 109(17), 8393-8399. [PDF] |
| [1] |
Elizabeth A. Fogleman, Hideya Koizumi, James P. Kercher, Bálint Sztáray, and Tomas Baer. "Heats of Formation of the Acetyl Radical and Ion Obtained by Threshold Photoelectron Photoion Coincidence Spectroscopy." J. Phys. Chem. A, 2004, 108(24), 5288-5294. [PDF] |
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| Jeep Stuff |
| I recently sold my 1999 TJ on 36s to buy this CJ. It was delivered on the 16th of February, 2008. I have always wanted a CJ and decided it was time to move away from a streetable jeep to one that was Off-Road only. Here is a pic of the jeep and trailer, and the specs to follow. |
| Pictures |
1974 AMC Jeep CJ Specs |
 
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Drivetrain 5.8L Fuel Injected V8 from a mid-90s F250, NP435, Ford Dana 20 Custom front and rear drive shafts Front Axle: LPD44, 4.10s, Warn Hubs, 30 spline chromoly inners and outers, and a Lockright Locker Rear Axle: Custom HPD60, 4.10s, Detroit Lockers, 35 spline chromoly shafts, Disc Brakes. Suspension Front: 14" Fox 2.0 Air Shocks with custom control arms Rear: Custom Bronco Front Tires and Wheels 35x1250x15 Goodyear MTRs (for now) 15x8 Black Daytonas (5 on 5.5, 3.75" BS). Armor and Recovery Engine/Oil Pan Skid Rocker Guards T-max 10,000lb winch with wireless controller 5lb CO2 tank Tow Strap, D-rings, Snatch Blocks Hilift Jack Other Racecraft Suspension Seats Heavy Duty Steering System cb with 4' Firestick antenna Herculined Tub 6 point cage 99" WB RCI Fuel Cell LED tail lights Fire Extinguisher |
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Last Updated: 9/10/07 @ 11:24am |