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The establishment of EVISA is funded by the EU through the Fifth Framework Programme (G7RT- CT- 2002- 05112).


Supporters of EVISA includes:

Directory of scientists



Name:
John Olesik
Position:
Professor
Address:
Department of Geological Sciences, The Ohio State University, 026 Mendenhall Lab., 125 S. Oval Mall, Columbus, Ohio 43210-1398; USA
 
 
Telephone:  +1 (614) 292-6954
Fax:  +1 (614) 292-7688
John Olesik

E-Mail:  olesik.2@osu.edu
Homepage:  http://www.geology.ohio-state.edu/marc/jolesik.htm
Interests:
  • Fundamental studies of plasmas used for elemental analysis, optical and mass spectrometry
    Aerosol generation and processing
  • Development of intelligent instruments for spectrochemical analysis
  • Elemental speciation
    • Capillary electrophoresis - inductively coupled plasma mass spectrometry
    • Liquid chromatography - inductively coupled plasma mass spectrometry
    • Ion spray and electrospray mass spectrometry
  • Application of analytical chemistry to environmental and geological problems
    • Investigation of metal-ligand complexation in aqueous and mixed organic/aqueous media
    • Laser ablation ICP-MS for direct analysis of solids

Instrumentation:
  • Optical rail based instruments for time and space resolved optical emission spectroscopy, laser induced fluorescence spectroscopy, mass spectrometry and laser light scattering measurements built from a system of interchangeable components including:
    • Questek model 2100 Excimer Laser and Lambda Physik Dye Laser
    • McPherson 2061 one meter spectrometer with 1200 g/mm and 3600 g/mm gratings
    • Chromex 0.5 m imaging spectrometer with 1200, 2400 and 3600 g/mm gratings
    • Heath 0.35 m spectrometer
    • Princeton Instruments TE Charge Coupled Device detector
    • Princeton Instruments Gateable, Intensified Charge Coupled Device detector
    • Princeton Applied Research Corporation Intensified Diode Array
    • 15 mW HeNe Laser
    • refractive and reflective optics
    • two 2.5 kW Plasma Therm ICPs
  • Perkin-Elmer Optima 3000 Inductively Coupled Plasma Optical Emission Spectrometer
  • Perkin-Elmer Sciex ELAN 6000 Inductively Coupled Plasma Mass Spectrometer
  • Extrel MS for ICP-MS and Ionspray/Electrospray-MS
  • ARL 34000 48 channel Direct Reading ICP Optical Emission Spectrometer
  • Jarrell-Ash model 750 Atom Comp Spark Source and Direct Reading Spectrometer
  • Hewlett Packard microwave plasma Atomic Emission Detector
  • Aerometrics phase Doppler particle analyzer
  • Monodisperse Dried Microparticulate Injector (MDMI)
Occurence of this scientist in other parts of the EVISA webportal:



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Events
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Winter Conference on Plasma Spectrochemistry
12.01.2026
Tucson, AZ
Gordon Research Seminar: Bioinorganic Chemistry
16.01.2026
Ventura, California, United States
Gordon Research Conference: Metals in Biology
18.01.2026
Ventura, California, United States
... more Events
News
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Simultaneous Speciation Analysis of Iodine-, Gadolinium-, and Platinum-Based Pharmaceuticals by HILIC-ICP-MS and Its Application to Wastewaters
Overview of automation in speciation analysis
... more News




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