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EMISSIVITY MEASUREMENTS OF LIQUID SODIUM AND ... - INIS

ties than the less-absorbing aromatic hydrocarbons, and carbon dioxide has the lowest emissivity of the materials investigated. It is important, however, to ...



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effects of surface contamination - on the infrared emissivity
For example, pure water absorbs very little visible light, but water is a strong infrared absorber and hence has a high absorptivity and high emissivity.
Intro to Thermal Radiation
On the other hand, metals generally have low emissivities with aluminium foil and polished brass being examples of materials with the lowest emissivities.
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