Discovery of Osmium and Iridium

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Discovery of Osmium and Iridium
Platinum
d 21.45 g/cm3
mp 1768oC
Platinum in Aqua Regia
Osmium
Iridium
d 22.59 g/cm3
d 22.56 g/cm3
mp 2466oC
mp 3033oC
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Matter
Brass
Granite
Ice-Water
Salt Water
Milk
Oil-Water
Air
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Phase Types
Gas
Liquid
Solid
Bose Einstein Condensate
Plasma
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Colloidal Systems
Emulsion
Foam
Aerosol
Sol
Gel
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  Colloid Phase Dispersed Phase Example   Aer
osol Gas Liquid Fog   Aerosol Gas Solid Sm
oke   Foam Liquid Gas Whipped
Cream   Emulsion Liquid Liquid Milk   Sol Liqu
id Solid Silver Chloride in Water   Foam Solid
Gas Pumice   Gel Solid Liquid Jello   Sol
Solid Solid Ruby  
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Aerogels
Used in Skylights
Window Insulation???
Low Thermal Conductivity
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Amorphous Solids
Glass
Plastic
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Filtration
Filtrum
Antoine Lavoisier
First to Use Paper Filters
Jons Jacob Berzelius
Very Pure Absorbant Paper
1810
J.H. Munktells Manufactured
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Separatory Funnel
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Separation of the Rare Earths