introduction to mercury john hoggatt. a little bit of history element #80 hydrargyrum dates back to...
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Introduction to MercuryJOHN HOGGATT
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A little Bit of History Element #80
Hydrargyrum
Dates back to 1500 BC
Used as pigments and vaccinations
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Characteristics Liquid at room temp
Rarely found in nature
Mined as Cinnabar
Low melting / freezing point’s
Color determines grade of ore
Can be transformed into other forms of mercury
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Geologic Formations Found in two places
Near volcanic margins
Felsic intrusive
Hot springs
Hydrothermal source
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Production Percentage in crust
China
Kyrgyzstan
Rest of the world
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Extraction Process Hot springs
◦ Open pit / Underground◦ Sulfur bank mine CA
Near volcanic margins◦ Underground
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Industrial Uses Power generation
Chemical plants
Artisanal mining
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Commercial / Practical Uses Fish consumption
Thermometers
Barometers
Fluorescent lamps
Vaccinations
Hat making industry 1800’s
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Different Forms of MercuryBituminous coal• Key ingredient
Elemental mercury• Ionic reduction
Oxidized mercury• Smoke stacks
Methylmercury• Final product
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Geoplolitics EPA measures
Clean Air Act 1993
Safe Drinking Water Act
Emission Standards
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Some Odd Stuff Wouldn’t You Say???
Alchemists thought of mercury as the father to all elements
Only three other elements are liquid at room temp ◦ Cesium, Gallium, and Rubidium
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References http://en.wikipedia.org/wiki/Mercury_(element)#Etymology_and_history
http://www.chemicalelements.com/elements/hg.html
http://www.naturalnews.com/016544.html#
And 28 others that wouldn’t fit