Expert’s Corner

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Expert’s Corner

Tekran’s Expert Corner provides an in-depth collection of resources, primarily focused on the theory, operations and applications of our analytical systems for monitoring and research.  To keep you up to date we have topical links to noteworthy mercury scientific publications, presentations, monitoring programs, government programs and research groups in the Expert Corner.  We will continue to update this page; please send new website links suggestions to

Passive Sampling Research (MerPAS)

Osterwalder, S. et al., (2024) Spatial and Seasonal Dynamics of Gaseous Elemental Mercury Concentrations Over Switzerland
Quant, M. et al., (2021) Using Passive Air Samplers to Quantify Vertical GEM Concentration Gradients Within a Forest and Above Soil
Snow, M. et al., (2021) Characterization of Inhalation Exposure to GEM During Artisanal Gold Mining and e-Waste Recycling . . .
Snow, M. et al., (2021) Development, Characterization, and Testing of a Personal Passive Sampler for Measuring Inhalation Exposure to GEM
Si, M. et al., (2020) Measurement of Atmospheric Hg over Volcanic and Fumarolic Regions on New Zealand North Island Using Passive Air Samplers
Naccarato, A. et al., (2020) A Field Intercomparison of Three Passive Air Samplers for Gaseous Mercury in Ambient Air
Szponar, N. et al., (2020) Isotopic Characterization of Atmospheric Gaseous Elemental Mercury by Passive Air Sampling
Wohlgemuth, L. et al., (2020) Concurrently Measured Concentrations of Atmospheric Hg in Indoor and Outdoor Air of Basel, Switzerland
McLagan, D. et al., (2019) Characterization and Quantification of Atmospheric Mercury Sources Using Passive Air Samplers
McLagan, D. et al., (2018) Global evaluation and calibration of a passive air sampler for gaseous mercury
McLagan, D. et al., (2018) Identifying and Evaluating Urban Mercury Emission Sources Through Passive Sampler-Based Mapping of Atmospheric Concentrations
McLagan, D. et al., (2017) The Effects of Meteorological Parameters and Diffusive Barrier Reuse on the Sampling Rate of a Passive Air Sampler for Gaseous Mercury
McLagan, D. et al., (2017) Application of Sodium Carbonate Prevents Sulphur Poisoning of Catalysts in Automated Total Mercury Analysis
McLagan, D. et al., (2016) Passive Air Sampling of Gaseous Elemental Mercury: A Critical Review
McLagan, D. et al., (2016) A High-Precision Passive Air Sampler for Gaseous Mercury
Zhang, X. et al., (2012) Influence of Sampler Configuration on the Uptake Kinetics of a Passive Air Sampler

Notable Recent Research Papers

Nipen, M. et al., (2022) Mercury in Air and Soil on an Urban-Rural Transect in East Africa
Nerentorp, M. et al., (2013) Comparison of Measurement Methods for DGM
Steffen, A. et al., (2012) Comparison of QC Protocols for Atmospheric Hg Speciation Measurements
Liu, B. et al., (2010) Urban-Rural Differences in Atmospheric Mercury Speciation
Fu, X.W. et al., (2010) GEM concentrations and Hg deposition at high altitude in China
Sommar, J. et al., (2010) Circumpolar Hg speciation measurements
Brunke, H.-G. et al., (2010) GEM depletion events at Cape Point, South Africa
Schelker, J. et al., (2011) Hydrological mobilization of Hg and DOC in a watershed
Bradley, P.M. et al., (2010) Methylmercury availability in coastal plain rivers
Wang, Y. et al., (2010) Impacts of the Canadian forest fires on Hg and soot in New York
Eckley, C. et al., (2011) Non-point-source Hg emissions from active industrial gold mines
Soerensen, A.L. et al., (2010) Global marine surface concentrations of GEM and RGM
Sunderland, E.L. et al., (2010) Response of an estuary to Hg loading between 1850 and 2000
Qureshi, A. et al., (2010) Photoreactions of Hg in surface ocean water
Rumbold, D.G. et al., (2010) Source identification of Florida’s Bay methylmercury problem

Instrument Operation Principles

Tekran 2537X Operating Principles
Animation of the Tekran 2537-1130-1135 Analysis Cycle
Variability of CMMs at Low Mercury Concentrations
USA Hg Emission Regulations and Tekran 3300Xi Design & Performance
Tekran 3300Xi HgCEM Configuration for USA Hg Regulations
Comparison of CVAA and CVAFS Analytical Systems
Tekran Series 2700 Methyl Mercury Analysis System
2700 Methyl Mercury Holding Time Study


Air Mercury Speciation Accuracy and Calibration – Eric Prestbo, Tekran
Traceability Requirements for HgCEM Systems – Karl Wilber, Tekran
Accuracy of Mercury CEM Systems at Low-Hg Concentrations – Dennis Laudal, EERC
Mercury Flux Methods – Chris Eckley, University of Nevada, Reno
Atmospheric Mercury Speciation Methods – Eric Prestbo, Tekran
Atmospheric Monitoring in China – Xinbin Feng, Chinese Academy of Sciences

Methods and Regulations

EPA Method 1631: Measurement of Total Mercury in Water by CVAFS
EPA Method 1630: Methyl Mercury by Distillation, Aqueous Ethylation, Purge and Trap CVAFS
NIST Mercury Vapor Pressure Correlation
EPA Method 245.7: Mercury in Water by Cold Vapor Atomic Fluorescence Spectrometry
Occupational Safety and Health Guideline for Mercury Vapor
NIOSH Mercury Workplace Safety and Health Topics
US EPA Mercury Laws and Regulations
Canadian Regulations and Guidelines
European Commission Mercury

Monitoring Programs

The Canadian Air and Precipitation Monitoring Network (CAPMoN)
Atmospheric Mercury Network (AMNet)
Global Mercury Observation System (GMOS)
Mercury Deposition Network (MDN)
USGS NAWQA – Mercury in Stream Ecosystems

Mercury Science and Policy Links Environmental Solutions Toolkit
UNEP Minimata Convention on Mercury
EPA Mercury and Air Toxics Standards (MATS)
US DOE Mercury Emissions Control
NOAA Atmospheric Mercury Studies
USGS Mercury in the Environment
US EPA Mercury Science and Technology
Environment Canada Mercury Research and Programs
UK NERC Integrating Knowledge to Inform Mercury Policy (IKIMP)
United Nations Environment Programme – Mercury
South African Mercury Assessment Programme
Hubbard Brook Research Foundation
Electric Power Research Institute (EPRI)
Mercury Policy Project
Global Mercury Project

Institute and Academic Mercury Research Programs

National Technological Center for Mercury Decontamination, Spain
Gustin Research Group – University of Nevada-Reno
Branfireun Research Group – University of Western Ontario
Ebinghaus Research Group at Helmhotz-Zentrum Geesthacht
CRN Italy Research Group – Institute of Atmospheric Pollution Research
Horvat Research Group at Jožef Stefan Institute
Mitchell Research Group at University of Toronto
Oak Ridge National Laboratory
Wang Research Group – University of Manitoba
Driscoll Research Group – Syracuse University
Feng Research Group – China State Key Lab. of Env. Geochemistry (Chinese)
Lamborg Research Group – UC Santa Cruz
Carpi Research Group – John Jay College