1. 2537A Tekran Mercury Analyzer
Overview

2. Tekran Model 2537A Analyzer

3. Model 2537A Mercury Analyzer
Tekran Model 2537A - Introduction
Rev: October 2001
Model 2537A Mercury Analyzer
Provides continuous TGM readings with update rate as low as minutes
Detection limit < 0.1 ng/m3 ( 12 ppq )
Automatic recalibration with internal permeation source
Capable of unattended operation for extended periods
Data can be viewed remotely
Ultra-trace Mercury Monitoring in Air

4. Flow Diagram of Model 2537A

5. Pure Gold Cartridge (Pat’d)
Tekran Model 2537A - Introduction
Rev: October 2001
Pure Gold Cartridge (Pat’d)
Ultra-trace Mercury Monitoring in Air

6. Manual Mercury Sampling
Tekran Model 2537A - Introduction
Rev: October 2001
Manual Mercury Sampling
Traditional methods of atmospheric monitoring required manual sampling for long periods. (Hours or days)
Subsequent analysis usually performed in a clean room environment
Ultra-trace Mercury Monitoring in Air

7. Manual Ambient Air Sampling

8. Manual Cartridge Analysis
Tekran Model 2537A - Introduction
Rev: October 2001
Manual Cartridge Analysis
Ultra-trace Mercury Monitoring in Air

9. Chlor-alkali Plant - USA
Tekran Model 2537A - Introduction
Rev: October 2001
Chlor-alkali Plant - USA
Plot of wind vs ambient mercury values
Two months of continuous monitoring
Plant is located 18 miles distant
Fish consumption advisories in effect
This plant is in North Carolina.
Ultra-trace Mercury Monitoring in Air

10. Depletions of Mercury in the Arctic

11. Tekran Model 2537A - Introduction
Rev: October 2001
Mercury Monitoring in the Field
This is intended as a survey of the various methods of mercury monitoring in use or under development.
Tekran analyzers are used routinely in some of the harshest locations on earth.
The equipment has demonstrated its ruggedness and reliability in countless applications.
Ultra-trace Mercury Monitoring in Air

12. Why Measure Parts Per Quadrillion of Mercury ?
Tekran Model 2537A - Introduction
Rev: October 2001
Why Measure Parts Per Quadrillion of Mercury ?
Mercury is one of the most potent neuro-toxins known
Bio-accumulates up the food chain by factors of greater than 10,000,000
Long life in the atmosphere means that mercury emissions are of global concern
Ultra-trace Mercury Monitoring in Air

13. Tekran Model 2537A - Introduction
Rev: October 2001
Sources of Mercury
Mining & smelting (gold)
Waste incinerators
Battery manufacturing
Fluorescent lamps (manufacturing & disposal)
Chlor-alkali plants (pulp & paper)
Coal fired power plants
Ultra-trace Mercury Monitoring in Air