2537A Tekran Mercury Analyzer2537A Tekran Mercury Analyzer

OverviewOverview

Tekran Model 2537A AnalyzerTekran Model 2537A Analyzer

Model 2537A Mercury AnalyzerModel 2537A Mercury AnalyzerProvides continuous TGM readings with update Provides continuous TGM readings with update

rate as low as rate as low as 2.52.5 minutes minutes

Detection limit Detection limit < 0.1 ng/m< 0.1 ng/m33 ( ( 12 ppq12 ppq ) )

Automatic recalibration with internal permeation Automatic recalibration with internal permeation sourcesource

Capable of unattended operation for extended Capable of unattended operation for extended periodsperiods

Data can be viewed remotely Data can be viewed remotely

Flow Diagram of Model 2537AFlow Diagram of Model 2537A

Pure Gold Cartridge Pure Gold Cartridge (Pat’d)(Pat’d)

Mercury Adsorption Cartridge

Quartz Glass 6 mm O.D. X 4 mm I.D.

Orifice(second seal)

Retention Groove(first seal)

NOTE: Cartridge Length 5 inches.

Pure Gold Matrix Assembly

Flow Direction

1 2 3

4 5

Traditional methods of atmospheric Traditional methods of atmospheric monitoring required manual sampling for monitoring required manual sampling for long periods. (Hours or days)long periods. (Hours or days)

Subsequent analysis usually performed in Subsequent analysis usually performed in a clean room environmenta clean room environment

Manual Mercury SamplingManual Mercury Sampling

Manual Ambient Air SamplingManual Ambient Air Sampling

Manual Cartridge AnalysisManual Cartridge Analysis

Chlor-alkali Plant - USAChlor-alkali Plant - USA

6

4

2

N

EW

S

Concentrationsin ng/m3

Chlor-Alkali Plantlocated bearing 60º

distance 18 miles

Plot Duration: 60 daysData Interval: 15 min

WINDDIRECTION

vs.

MERCURY

0

Plot of wind vs Plot of wind vs ambient mercury ambient mercury valuesvalues

Two months of Two months of continuous continuous monitoringmonitoring

Plant is located 18 Plant is located 18 miles distantmiles distant

Fish consumption Fish consumption advisories in effectadvisories in effect

Depletions of Mercury in the ArcticDepletions of Mercury in the Arctic

Mercury Monitoring in the FieldMercury Monitoring in the Field

Tekran analyzers are used routinely in Tekran analyzers are used routinely in some of the harshest locations on earth.some of the harshest locations on earth.

The equipment has demonstrated its The equipment has demonstrated its ruggedness and reliability in countless ruggedness and reliability in countless applications.applications.

Barrow, AlaskaBarrow, Alaska

Neumeyer Station, AntarcticaNeumeyer Station, Antarctica

Florida Everglades Florida Everglades

Why Measure Parts Per Why Measure Parts Per QuadrillionQuadrillion of Mercury ? of Mercury ?

Mercury is one of the most potent neuro-Mercury is one of the most potent neuro-toxins knowntoxins known

Bio-accumulates up the food chain by Bio-accumulates up the food chain by factors of greater than factors of greater than 10,000,00010,000,000

Long life in the atmosphere means that Long life in the atmosphere means that mercury emissions are of mercury emissions are of globalglobal concern concern

Sources of MercurySources of Mercury

Mining & smelting (gold)Mining & smelting (gold)

Waste incineratorsWaste incinerators

Battery manufacturingBattery manufacturing

Fluorescent lamps (manufacturing & Fluorescent lamps (manufacturing & disposal)disposal)

Chlor-alkali plants (pulp & paper)Chlor-alkali plants (pulp & paper)

Coal fired power plantsCoal fired power plants