Gas in a bulb. | |||
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| Gas in a bulb. The deep color of this sample is caused by bromine gas, not liquid. There is some liquid condensed on the sides of the bulb, but the majority of the color you see is the gas. I think it's amazing that a gas can be so thick. There's a very similar bulb under chlorine, but its color is much, much lighter. Normally when you see a "gas" that is colored, it's not really a gas but rather tiny droplets of liquid (in fog) or particles (in smoke) that make it look colored or thick. The difference is that in a real colored gas, there is no diffusion of the light, just attenuation. A fog or smoke makes things look fuzzy, while with a true colored gas, they look perfectly sharp, just colored. This is a true colored gas. I received this sample when Tryggvi and Timothy came to my sodium party. I chose this sample to represent its element in my Photographic Periodic Table Poster. The sample photograph includes text exactly as it appears in the poster, which you are encouraged to buy a copy of.  Source: Tryggvi Emilsson and Timothy Brumleve Contributor: Tryggvi Emilsson and Timothy Brumleve Acquired: 21 September, 2002 Text Updated: 5 February, 2010 Price: Donated Size: 3" Purity: 99.9% | |||
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