2537 A Tekran Mercury Analyzer Overview Tekran Model

2537 A Tekran Mercury Analyzer Overview

Tekran Model 2537 A Analyzer

Model 2537 A Mercury Analyzer l Provides continuous TGM readings with update rate as low as 2. 5 minutes l Detection limit < 0. 1 ng/m 3 ( 12 ppq ) l Automatic recalibration with internal permeation source l Capable of unattended operation for extended periods l Data can be viewed remotely

Flow Diagram of Model 2537 A

Pure Gold Cartridge (Pat’d)

Manual Mercury Sampling l Traditional methods of atmospheric monitoring required manual sampling for long periods. (Hours or days) l Subsequent analysis usually performed in a clean room environment

Manual Ambient Air Sampling

Manual Cartridge Analysis

Chlor-alkali Plant - USA l Plot of wind vs ambient mercury values l Two months of continuous monitoring l Plant is located 18 miles distant l Fish consumption advisories in effect

Depletions of Mercury in the Arctic

Mercury Monitoring in the Field Tekran analyzers are used routinely in some of the harshest locations on earth. The equipment has demonstrated its ruggedness and reliability in countless applications.

Why Measure Parts Per Quadrillion of Mercury ? l Mercury is one of the most potent neuro- toxins known l Bio-accumulates up the food chain by factors of greater than 10, 000 l Long life in the atmosphere means that mercury emissions are of global concern

Sources of Mercury l Mining & smelting (gold) l Waste incinerators l Battery manufacturing l Fluorescent lamps (manufacturing & disposal) l Chlor-alkali plants (pulp & paper) l Coal fired power plants