introduction to mercury john hoggatt. a little bit of history element #80 hydrargyrum dates back to...
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Introduction to MercuryJOHN HOGGATT
A little Bit of History Element #80
Hydrargyrum
Dates back to 1500 BC
Used as pigments and vaccinations
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
Geologic Formations Found in two places
Near volcanic margins
Felsic intrusive
Hot springs
Hydrothermal source
Production Percentage in crust
China
Kyrgyzstan
Rest of the world
Extraction Process Hot springs
◦ Open pit / Underground◦ Sulfur bank mine CA
Near volcanic margins◦ Underground
Industrial Uses Power generation
Chemical plants
Artisanal mining
Commercial / Practical Uses Fish consumption
Thermometers
Barometers
Fluorescent lamps
Vaccinations
Hat making industry 1800’s
Different Forms of MercuryBituminous coal• Key ingredient
Elemental mercury• Ionic reduction
Oxidized mercury• Smoke stacks
Methylmercury• Final product
Geoplolitics EPA measures
Clean Air Act 1993
Safe Drinking Water Act
Emission Standards
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
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