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The oldest and most commonly used atomizers in AAS are flames, principally the air-acetylene flame with a temperature of about 2300 °C and the nitrous oxide [4] system (N 2 O)-acetylene flame with a temperature of about 2700 °C. The latter flame, in addition, offers a more reducing environment, being ideally suited for analytes with high ...
A flame (from Latin flamma) is the visible, gaseous part of a fire. It is caused by a highly exothermic chemical reaction made in a thin zone. [ 1] When flames are hot enough to have ionized gaseous components of sufficient density, they are then considered plasma. [vague][ 2]
A wildfire, forest fire, or a bushfire is an unplanned, uncontrolled and unpredictable fire in an area of combustible vegetation. [ 1][ 2] Depending on the type of vegetation present, a wildfire may be more specifically identified as a bushfire ( in Australia ), desert fire, grass fire, hill fire, peat fire, prairie fire, vegetation fire, or ...
Atomic emission spectroscopy ( AES) is a method of chemical analysis that uses the intensity of light emitted from a flame, plasma, arc, or spark at a particular wavelength to determine the quantity of an element in a sample. The wavelength of the atomic spectral line in the emission spectrum gives the identity of the element while the ...
Paper: "Imaging live humans through smoke and flames using far-infrared digital holography," M. Locatelli et al., Optics Express, Vol. 21, Issue 5, pp. 5379-5390 (2013). Latest Stories Engadget
Colored fire is a common pyrotechnic effect used in stage productions, fireworks and by fire performers the world over. Generally, the color of a flame may be red, orange, blue, yellow, or white, and is dominated by blackbody radiation from soot and steam. When additional chemicals are added to the fuel burning, their atomic emission spectra ...
This image was selected as picture of the day on Wikimedia Commons for 12 October 2010. It was captioned as follows: English: The Garden of Earthly Delights (c. 1480-1505) by Hieronymus Bosch. Oil on wood triptych, 220 cm x 389 cm, now in the Museo del Prado. High-resolution version from The Prado in Google Earth.
In combustion, a diffusion flame is a flame in which the oxidizer and fuel are separated before burning. Contrary to its name, a diffusion flame involves both diffusion and convection processes. The name diffusion flame was first suggested by S.P. Burke and T.E.W. Schumann in 1928, [ 1] to differentiate from premixed flame where fuel and ...
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