2537A Tekran Mercury Analyzer Overview

Tekran Model 2537A Analyzer

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 2.5 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

Flow Diagram of Model 2537A

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

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

Manual Ambient Air Sampling

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

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

Depletions of Mercury in the Arctic

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

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

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