Jack Williams Chemistry Mercyhurst

Dr. Jack Williams

Jack Williams

Dr. Williams received his Ph.D. in Organic Chemistry from Villanova University. He is a member of the American Chemical Society (ACS) and the American Society for Mass Spectrometry (ASMS).

Current research:

Analysis of essential oils from plants and their potetential medicinal use.

Identification of dyes used on prehistoric textiles.


Ph.D.  Organic Chemistry, Villanova University, Advisor: Herman J. Schauble
B.S. Pennsylvania State University 
G.G.  Graduate Gemologist, Gemological Association of America
F.G.A. Fellow Gemmological Association of Great Britain


(* Denotes Student Co-Author)

Williams,J.D.;Yazarians,J.A.; Almeyda,C.C.; Anderson,K.A.;Boyce,G.R. Detection of the Previously Unobserved Stereoisomers of Thujone in the Essential Oil and Consumable Products of Sage (Salvia officinalisL.) Using Headspace Solid-Phase Microextraction−GasChromatography−Mass Spectrometry Journal of Agricultural and Food Chemistry 2016 64 (21), 4319-4326 DOI: 10.1021/acs.jafc.6b01065

Saleh, A.M.; Aljada,A.; Rizvi,S.A.A., Nasr, A.; Alaskar, A.S.; Williams, J.D. In vitro cytotoxicity of Artemisia vulgaris L. essential oil is mediated by a mitochondria-dependent apoptosis in HL-60 leukemic cell line, BMC Complementary and Alternative Medicine. 2014, 14:226

Williams, J.D.; Campbell, M.A.; *Jaskolka M.C.; *Xie, T. Artemisia vulgaris L. Chemotypes, American Journal of Plant Sciences 2013, 4(6), pp. 1265-1269

Williams, J.D. Artemisia vulgaris L. – Influence of Geographical Origin, Harvest Time and Chemotypes on 1,8-Cineole Concentration,The International Journal of Professional Holistic Aromatherapy 2012 1(3), pp. 11-14

Williams, J.D.; *Xie, T; *Acharya, D.N. Headspace solid−phase microextraction (HS−SPME) gas chromatography−mass spectrometry (GC−MS) analysis of the essential oils from the aerial parts of Artemisa vulgaris L. reveal the possible existence of new chemotypes, Presented at the 244th. American Chemical Society National Meeting & Exposition, August 22 (AGFD 204), 2012, Philadelphia, Pennsylvania

Williams, J.D.; Saleh, A.M.; *Acharya, D.N. Composition of the Essential Oil of Wild Growing Artemisia vulgaris L. from Erie, Pennsylvania. Natural Product Communications 2012, 7 (5), pp. 637-640.

*Clemente J.G.; Williams, J.D.; Cross, M.; Chambers C.C. Analysis of Garlic Cultivars Using Head Space Solid Phase Microextraction/ Gas Chromatography/Mass Spectroscopy. Open Food Science Journal 2011, 6, pp. 1-4

*Bui, C.; Williams, J.D. Solid Phase Microextraction Gas Chromatography Mass Spectroscopy Analysis of Confectionery Volatiles. Current Nutrition and Food Science 2011, 7, pp. 275-278

Williams, J.D.; Saleh, A. M.; *Acharya, D. Composition of the Essential oil from Artemisia vulgaris L. growing in Pennsylvania, USA and its Apoptosis-Dependent Antitumor Activity in Promyelocytic Leukemia Cell Line HL-60. Presented at the 242nd. American Chemical Society National Meeting and Exposition, September 1, 2011 (AGFD 149), Denver, Co.

*Schneider, K.J.; Williams, J.D.  Sodium Sulfide Catalyzed Isomerization of Itaconic Anhydride to Citraconic Anhydride. Current Organic Chemistry 2011, 15, pp. 2893-2896.

Schauble, J.H.; Williams, J.D. In Advances in Heterocyclic Chemistry Volume 35, Alan R. Katritzky Ed,; Academic Press Inc.1984

Williams, J.D.; Nassua,K. A Critical Examination of Synthetic Turquoise. Gems and Gemology 1976-1977, 15, p 226

Schauble, J.H.; Williams, J.D. Synthesis of 1,2-Dithiolane-3,5-diones and Thietane-2,4-diones. J. Org. Chem. 1974, 39(20), pp. 2946-2950

Schauble, J.H.; Williams, J.D. Synthesis of Cyclic Bisthioacylals: 1,3-Dithiane-4,6-diones and 1,3-Dithiolane-4,5-dione.  J. Org. Chem. 1972, 37(15), pp. 2514-2516


Professor of Chemistry                                                                 1994 – Present
Mercyhurst University, Erie PA
Chair: Department of Chemistry, and Biochemistry                   1999 – 2000   
Mercyhurst University, Erie PA

Chair: Division of Natural Science and Mathematics                 1993-1997
Mercyhurst University, Erie PA

Chair: Department of Chemistry and Physics                             1990-1993
Mercyhurst University, Erie PA

Associate Professor of Chemistry                                                1983 – 1994
Mercyhurst University, Erie PA
Organic Chemistry I and II; Organic Chemistry I and II Laboratories, Spectral Interpretation and Spectral Interpretation Laboratory, Advanced Organic Chemistry, Biochemistry I and Biochemistry I Laboratory, Introduction to Biochemistry and Introduction to Biochemistry Laboratory, Forensic Chemistry, Seminar in Forensic Science, Chemistry of Life I and II; Chemistry of Life I and II Laboratories, Chemical Principles and Chemical Principles Laboratory (offered during the day for traditional students), Mineralogy, Introduction to Gemology, Chemical Principles and Chemical Principles Laboratory(offered on Sundays for the adult learner). Fundamentals of Organic Chemistry and Lab.

Assistant Professor of Chemistry                                                 September 1976 - May 1983
Mercyhurst University, Erie PA
Courses: General Chemistry I and II/Organic Chemistry I and II/Introduction to Biochemistry

Assistant Professor                                                                      September 1973 – May 1976
Temple University, Philadelphia PA
Courses: Organic Chemistry Lecture and Laboratory

Visiting Assistant Professor                                                         September 1972-May 1973
University of Pennsylvania, Philadelphia PA
Courses: Chemistry of Life Lecture and Laboratory

Industrial Experience
Consultant                                                                                      1977 - 1981
Microbac Laboratories, Inc. (Formerly, Erie Testing Labs.)
Erie, PA.

Synthetic Chemist (Oxazolidine Synthesis)                                  1967 - 1968
Rohm and Haas Company, Springhouse, PA

Formulations Chemist (Emulsion Polymerization)                       1964-1967
Quaker Chemical, Conshohocken, PA


61st American Society for Mass Spectrometry Conference on Mass Spectrometry and Allied Topics - June 9-13, 2013; Minneapolis, Minnesota

Pittcon Conference & Exposition - March 17-21, 2013; Philadelphia, Pennsylvania

244th American Chemical Society National Meeting & Exposition -August 19-23, 2012; Philadelphia, PA

242nd American Chemical Society National Meeting & Exposition - August 29-September 1, 2011; Denver, CO

Pittcon 2011 Conference and Exposition - March 13-18; Atlanta GA

241st American Chemical Society National Meeting & Exposition - August 22-26, 2010; Boston MA

Pittcon 2010 Conference and Exposition - February 28-March 5, 2010; Orlando FL

238th American Chemical Society National Meeting - August 17-21, 2009; Washington DC

CERMACS 2009- May 21st., 2009; Cleveland Ohio.

236th American Chemical Society National Meeting - August 17-21, 2008; Philadelphia PA.

Pennsylvania Organic Chemistry Curriculum Development Conference - May 28-29, 2008; University of Pennsylvania, California PA


Quantitative Mass Spectrometry, June 8-9, 2013; American Society for Mass Spectrometry, Minneapolis, Minnesota

Some Approaches to Analytical Data Treatment Using Microsoft®Excel, March 19, 2013; Pittcon Continuing Education Program, Philadelphia PA

Ionic Liquids in Gas Chromatgraphy, March 18, 2013; Pittcon Continuing Education Program, Philadelphia PA.

GC/MS Training Seminar, September 21, 2012; Restek Corp., Amherst, NY

GC-MSD Macro Programming, July 24-26, 2012; Agilent Technologies Inc., Wilmington, DE

7890 GC Maintenance and Troubleshooting, October 25-28, 2011; Agilent Technologies Inc., Ville St-Laurent, QC

Multivariate Data Analysis, September 13-15, 2011; CAMO Software,Woodbridge, N.J.

Gas Chromatography: Practical and Applied, August 27 - 28, 2011; American Chemical Society, Denver CO

MPS2 and TDU Maintenance and Operation, June 14-15, 2011; Gerstel Inc., Baltimore MD

ITQ 900 Demo, Thermo Scientific, June 2, 2011; Wayne State University, Detroit MI

1Dx2D Heart Cutting, May 23, 2011; Gerstel Inc., Baltimore MD

Analytical Organic Mass Spectrometry, March 15, 2011; Pittcon Continuing Education Program, Atlanta GA

GC/MSD ChemStation Data Analysis and Reporting, July 14 -16, 2010; Agilent Technologies Inc., Andover Massachusetts

Introduction to Comprehensive Two Dimensional Gas Chromatography (GCxGC), March 4th. 2010; Pittcon Continuing Education Program, Orlando FL

Solid-Phase Microextraction, March 1, 2010; Pittcon Continuing Education Program, Orlando FL

Headspace Analysis - Theory and Practice, February 27 - 28, 2010; Pittcon Continuing Education Program, Orlando FL

Empower 2 Sftw Adv Topics: Acquisition, Processing & Reviewing Results, July 29, 2008; Waters Corporation, Toronto ON

Process Oriented Guided Inquiry Learning in the Class and Laboratory; (POGIL), March 13, 2004; National Science Foundation Sponsored Workshop (DUE-0231120), Towson University, Towson MD

Forensic Science, June 2003; National Science Foundation Sponsored Workshop, CWCS, Williams College, Williamstown Mass.

Online Office Hrs. December 3, 2002; TLT Group, Webcast

Advanced Forensics, June 7-9, 2000; National Science Foundation Sponsored Workshop, Christian Brothers University, Memphis Tenn.

Using Forensics to Solve Crimes, June 3-5, 2000; National Science Foundation Sponsored Workshop, Christian Brothers University, Memphis Tenn..

DNA Forensics, May 31-June 2, 2000; Springfield Hilton, Springfield, VA.

Biotechnology through the year 2000, June 18-19, 1997; Northwestern University, Evanston IL

Short Course in the Interpretation of Mass Spectra, April 29-30, 1997; Washington Area Mass Spectrometry Discussion Group, Rockville Maryland

Chemical Applications of Lasers, June 9-15, 1994; National Science Foundation Sponsored Course , James Madison University, Harrisonburg Virginia

NMR Spectroscopy, July 8-12, 1993; National Science Foundation Sponsored Course, Lebanon Valley College, Annville PA

Industrial Organic Chemistry, June 5-10, 1990; National Science Foundation Sponsored Course, Temple University, Philadelphia PA

Interpretation of Mass Spectra, April 18-19, 1990; Hewlet Packert Seminar,

Industrial Organic and Polymer Chemistry, June 11-15, 1984; Chataqua Sponsored Course, Temple University, Philadelphia PA



Isolation and Characterization of the Natural Anti-Cancer Drugs from the TSS Plant and Assessing their Potential Effect in Treating Prostate Cancer Ayman Saleh, Syed Rizvi, Jack D. Williams, Bertalan Dudas, Thomas Corso and George Petroiamu; Hess Roth Foundation 2/5/2011 $15,000

Chemical and Biochemical Analysis of wheatgrass and the Suggested Theories Explaining its Biological Activity.C.C. Chambers, MBarranger-Mathews, Jack D.Williams; National Science Foundation Collaborative Research in Chemistry Grant Proposal 11/14/05 $464,000 (not funded)

Laboratory Instrumentation for Teaching High School Chemistry Students Advanced Analytical Methods Chemistry Laboratory Grant, 9/02/93 $24,000

Gas Chromatograph Mass Spectrometer for Students in Chemistry, Bioloy, Archeology and Geology Departments NSF-ILI (#92-68) 11/2/92, $38,466 (Not Funded)

HP 5890 GC with 5972 Mass Selector HP University Grants, 8/13/91, $42,610 (Not Funded)

Professional Development Grant for Teachers Spectroscopy Society of Pittsburgh, 4/24/90, $584

PerkinElmer FTIR 1600 Society for Analytical Chemists of Pittsburgh, 4/24/89, $10,000

Infrared Spectra Data Disks Spectroscopy Society of Pittsburgh, 4/14/89, $1,810

A Bachelor's Degree Program in Forensic Science National Science Foundation, Local Course Imporvement Grant, 4/14/78, $17,900


A Crash Course In Gem Identification (Erie Rock and Mineral Society, 2002)
Chinese 1000 York University, Sept.11-Nov. 11, 2000; Jan. 12; May 11, 2001
Essentials of Chinese University of Toronto, Feb. 7-April 11, 2001
Speak Mandarin University of Toronto, Oct. 5-Dec. 7, 2000
Theory and use of some Gemstone Testing Instruments (Erie Rock and Mineral Society, 2000)
Diamond Mining, Fashioning and Evaluation (Erie Rock and Mineral Society, 1998)
Emeralds, Rubies and Sapphires; Natural or Synthetic? (Erie Rock and Mineral Society, 1997)
Identifying Challenging Synthetics, Gemological Institute of America, Toronto Canada, July 4th., 1997
Detecting Treated Gems, Gemological Institute of America, Toronto, Canada, July 4th, 1997
Detecting Synthetic Diamonds, Gemological Institute of America, Chicago, Il, August 8th., 1997
John Mack Oboe Camp, Participant, Wildacres, Little Switzerland, N.C. June 7-14,1996
Domaine Forget 1996 Woodwinds Session, Participant, St-Irenee, Quebec, Canada, June 16-30, 1996
Gemstone Identification for Amateurs (Erie Rock and Mineral Society, 1996)
Spectroscopic Techniques in Organic Chemistry (1992)
Special Topics in Organic Chemistry (1990)
Identification of Synthetic and Genuine Minerals from Characteristic Inclusions (J.B.R. Short Course, 1980)
Introduction to Gemology (Mercyhurst College, Intersession Short Course, 1979)
Introduction to Gemology (Mercyhurst College, Intersession Short Course, 1978)
The Pyramids of Egypt (Mercyhurst College Presentation, 1977)