PERSONNEL
RICHARD HEEMSKERK (B.Sc., Waterloo) LABORATORY MANAGER
The Laboratory Manager, Richard has been with the lab since 1982.
Tel: 519-888-4567 Ext. 35838
e-mail: rkhmskrk@uwaterloo.ca
Humam Mughammar (M.Sc., Waterloo), Technician TIMS (Sr, Nd, Ca, Sm), IRMS ( 13C, 37Cl, 2H)
Humam is responsible for the preparation and analysis of samples and operation of the TIMS instrument for Strontium ratios. He also assists in the preparations and analysis of samples for 13C, 37Cl and 2H from various sources and materials.
Tel: 519-888-4567 Ext. 36465
Email:helmugam@sciborg.uwaterloo.ca
Jeanne C. Johnson, (B.Sc., Waterloo) Technician Tritium
Jeanne is responsible for initial sample pre-treatment determination and execution (ion exchange, Azeotropic distillation), electrolytic enrichment, preparation, final analysis (liquid scintillation counting) and result calculation of samples for tritium analysis.
Tel: 519-888-4567 Ext. 37276
Email: jcjohnso@uwaterloo.ca
Justin A. Harbin (BA, Wilfred Laurier), Technician IRMS Sulphate/Nitrate (15N, 18O, 34S)
Justin is responsible for the preparation and analysis of Dissolved Sulphate and Nitrate samples for 15N, 18O and/or 34S isotope determination.
Tel: 519-888-4567 Ext. 37275
Email: justin.a.harbin@gmail.com @uwaterloo.ca
Lois Graham, Client Services/Sample Preparation Technician
Lois’ main responsibility is receiving samples and dealing with clients concerning them. She also performs conductivity measurements and Azeotropic Distillations as required.
Tel: 519-888-4567 Ext. 84732
Email: l3graham@sciborg.uwaterloo.ca
Manjula A. Ravindran (M.Sc., Bangalore University, India), Technician IRMS (CSIA 13C, 2H, DIC, DOC)
Manjula is responsible for the operation and maintenance of the IsoPrime Gas Chromatograph-combustion-isotope ratio mass spectrometer (GC-C-IRMS), IsoPrime MultiFlow-isotope ratio mass spectrometer (MF-IRMS) and the Thermo Finnigan-Delta plus XL gas chromatograph-combustion/pyrolysis-isotope ratio mass spectrometer (GC-C-IRMS) for 13C and 2H analyses.
Tel: 519-888-4567 Ext. 37274
Email: mravindr@sciborg.uwaterloo.ca
Orfan Shouakar-Stash, (Ph.D., Waterloo), Research Assistant Professor TIMS (Sr, Nd, Ca, Sm), IRMS (37Cl, 81Br)
Orfan is a Research Assistant Professor in the Department of Earth and Environmental Sciences. Orfan serves on the EIL advisory committee and manages both the Halogen Isotope Laboratory and the TIMS facility. These two facilities offer the 37Cl analyses of inorganic samples, compound specific 37Cl analyses of chlorinated organic compounds, 81Br analyses of inorganic compounds and 87Sr/86Sr isotope analyses of various sample types including water, rock, minerals and biological samples.
Tel: 519-888-4567 Ext. 35305
Email: orfan@uwaterloo.ca
Webpage: http://earth.uwaterloo.ca/people/orfan-shouakar-stash
Oya Albak, (B. Sc., University of Istanbul), Sr. Halogen Isotope Technician, IRMS (37Cl, 81Br)
Oya is responsible for the preparation of organic and inorganic samples for 37Cl and 81Br isotope analysis, operating and maintaining the Chlorine/Bromine IsoPrime Dual Inlet/Continuous Flow Mass Spectrometer and the attached HP 6890 Gas Chromatographic system. She also trains and supervises graduate and undergraduate students and visitors in chlorine and bromine isotope analysis.
Tel: 519-888-4567 Ext. 35305
Email: oalbak@uwaterloo.ca
Phyllis A. Diebolt, (M.A., Waterloo), Technician (AMS Preparation)/Client Services
Phyllis is responsible for the preparation of organic and inorganic radiocarbon samples for dating at AMS facilities. Ms. Diebolt’s responsibilities include the extraction of DIC from water for 13C DIC determinations and break-seal combustion sample preparations for AMS. Phyllis also interacts with clients, sending out results and answering customer questions and concerns.
Tel: 519-888-4567 Ext. 84732
Email: eilab@uwaterloo.ca or pdiebolt@sciborg.uwaterloo.ca
Ruth Ann Walters, IRMS Technician (Water, Carbonate – 2H, 13C, 18O)
Technician responsible for the determination of 2H and 18O in water samples on the IsoPrime/Eurovector-EA-isotope ratio mass spectrometer (EA-IRMS) and 13C and 18O in carbonates on the IsoPrime/MultiFlow/Trace Gas-isotope ratio mass spectrometer (MF/TG-IRMS).
Tel: 519-888-4567 Ext. 37256
Email: rawalter@uwaterloo.ca
Stella Cuc, (B.Sc., Babes-Bolyai University), Technician Sample Preparation and IRMS
Stella assists in the analysis of 13C and 15N in solid samples on the Thermo Finnigan-Delta plus elemental analyzer-isotope ratio mass spectrometer (EA-IRMS), the determination of 34S in inorganic materials on the Micromass Isochrom-EA-isotope ratio mass spectrometer (EA-IRMS) and 18O analysis of solid samples on the IsoPrime-High temperature elemental analyser isotope ratio mass spectrometer (HTEA-IRMS). Stella is responsible for sample, standard and reference material weighing and organization as well as helping in daily mass spectrometer analytical operations.
Tel: 519-888-4567 Ext. 37274
Email: scuc@sciborg.uwaterloo.ca
William A. Mark, (B.Sc., Waterloo), Senior IRMS Technician
Bill is responsible for the preparation and analysis of 13C and 15N in solid samples on the Thermo Finnigan-Delta plus elemental analyzer-isotope ratio mass spectrometer (EA-IRMS), the determination of 34S in inorganic materials on the Micromass Isochrom-EA-isotope ratio mass spectrometer (EA-IRMS) and 18O analysis of solid samples on the IsoPrime-High temperature elemental analyser isotope ratio mass spectrometer (HTEA-IRMS). Mr. Mark is also responsible for maintenance and repair of the mass spectrometers, as well as, he is the internal Computer Technical trouble-shooter.
Tel: 519-888-4567 Ext. 36747
Email: wamark@uwaterloo.ca
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