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 Expert  108104

Expert in Analytical Chemistry, Chromatography, Mass Spectroscopy, Trace Organic Analysis, Pesticides, Etc.

Available for your Consulting and Expert Witness Needs

Virginia (VA)
Education Work History Career AccomplishmentsPublicationsConsulting Services Expert Witness

Summary of Expertise: Listed with other top experts in: 
Expert has over 30 years of gas chromatography experience, including designing, assembling, and testing of GC systems. He is proficient in trace organic analysis using both packed and capillary columns, FID, TCD, ECD, NPD, FPD, and GC/MS systems for detection. His areas of specialty include head-space GC, multi-dimensional GC, high-resolution columns, and GC/MS.

capillary gas chromatography


gas chromatography application


head-space gas chromatography


gas chromatography

Expert has published over 120 papers and several books in analytical chemistry and related areas. Having taught about 30 PhD and 15 MS students, he has actively taught the ACS Short Courses in gas chromatography (25 years), high performance liquid chromatography (15 years), and gas chromatorgraphy/mass spectrometry (5 years). His focus is in Ultra Trace Analysis of organic compounds, often first by sample prep including SFE, SPE, microwave-assisted extraction of soil, water, urine, blood, food, and bomb residues. Target compounds are usually pesticides, toxic chemicals, PCB's, priority pollutants, biological weapons (nerve gases), and explosives. He is also knowledgeable of preparative liquid chromatography.



trace analysis


analytical chemistry

Expert's expertise includes the use of SFE to concentrate and rapidly extract organic samples from air, soil, and water samples for later analysis by GC, HPLC, or GC/MS. He has six years of experience in SFE, and directed three Ph.D. theses on the subject.

environmental water sample


supercritical fluid extraction


water sample


supercritical fluid chromatography

Expert has over 20 years of hands-on experience in HPLC, working with a large number of commercial systems, including HP, PE, Varian, Shimadao, Hitachi, Isco, Spectra Physics, Beckman, and Waters. He has a special interest in method development, trace analysis, quantitative analysis, and LC/MS.

liquid chromatography


high-performance liquid chromatography


organic analysis

Show Secondary and Basic Areas of Expertise
Expert may consult nationally and internationally, and is also local to the following cities: Greensboro, North Carolina;  Winston Salem, North Carolina;  High Point, North Carolina;  Roanoke, Virginia;  Lynchburg, Virginia;  and Charleston, West Virginia.

Often requested
with this expert:

Supercritical Fluid Technology
Hydrocarbon Chemistry and Analysis
Chemical Instrumentation and Security
Life Sciences, Lab IT Support & Validation

Year   Degree   Subject   Institution   Honors
1959   Ph.D.   Analytical Chemistry   Purdue University  
1957   M.S.   Analytical Chemistry   Purdue University  
1955   B.S.   Chemistry   University of Arizona   Magna cum Laude

Work History:
Years   Employer   Department   Title  

1968 to


(Undisclosed University)


Chemistry Department


Associate Professor/Professor/Professor Emeritus


1990 to 1992


(Undisclosed University)


Chemistry Department


Department Head


1964 to 1968


Varian Associates


Aerograph Division


Director of International Operations/Director of Marketing


1961 to 1964


Hewlett Packard--Amsterdam, Holland


F&M Scientific Division


Technical Director, G.M.


Career Accomplishments:

Expert is a member of several professional societies, including ACS and ASTM E-19.

Professional Appointments

He has served on the editorial boards for seven journals, including the "Journal of Chromatography," and "Journal of Chromatographic Science." He has served for five years as Chairman of the National Research Council Committee on "Food Chemical Codex."


In 1975 Expert shared an IR 100 award as coinventor of the CIRA GC/IR Instrument. In 1983 he received the VPI Alumni Teaching Award. In 1986 he received the Eastern Analytical Award in Chromatography in Latin America; he received the Eastern Analytical Award in Chromatography in 1989 and the Keene Dimick Award in Chromatography in 1991. In 1992 he received the Tsnett Metal in Chromatography from the Russian Academy of Sciences.

Publications and Patents Summary

Expert has written more than 120 technical papers, six books (two in Spanish), fourteen chapters in books, six technical movies, and numerous audio visual programs on gas and liquid chromatography and GC/MS.

Consulting Services:
Recent Client Requests:
  • Gas chromatography expert for consulting on gas chromatography contamination issues.
  • Expert in GC/MS equipment.
Click the green button above to contact Expert for a free initial screening call regarding your expert consulting needs.  Expert is available for consulting to corporate, legal and government clients.  Remember, your initial screening call to speak with Expert is free.

Expert Witness:
Recent Litigation Client Requests:
  • Expert for consulting on DWI blood evaluation.
  • Expert in gas chromatography for consulting on pending patent litigation case.
Click the green button above to contact Expert for a free initial screening call regarding expert testimony, litigation consulting and support, forensic services, or any related expert witness services.  A few litigation needs include product liability, personal injury, economic loss, intellectual property (patent, trademark, trade secret, copyright), and insurance matters.  Remember, your initial screening call to speak with Expert is free.

Language Skills:
Foreign Language   Description
German   Expert speaks and reads German.
Dutch   He speaks and reads Dutch.
French   Expert speaks French.
Spanish   He speaks Spanish.

Additional Skills and Services:

Expert is actively engaged in giving short courses for the American Chemical Society, and has offered more than 180 courses in the past 25 years.

Supplier and Vendor Location and Selection

He has experience locating vendors of: analytical instruments for air pollution and waste water analysis; GC, HPLC, AA, IR, GC/MS, LC/MS, SFC, and SFE.

He has access to the following resources: print materials; databases; personal contacts; training programs (videos, computer-aided instruction); and a university lab to do method development.


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