Topic: Atomic Absorption Spectroscopy
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What is atomic absorption spectroscopy?
Atomic absorption spectroscopy is the use of principles of atomic absorption of light to determine how much of a metallic element is in a sample. It works by using a few principles which are faily simple and easy to understand on their own ... Read More »
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What are the applications of atomic absorption spectroscopy?
Mainly it is used for soil analysis and water analysis. Read More »
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How atomic absorption spectroscopy work?
Firstly, the sample to be analysed is atomised and mixed with fuel in a nebuliser. It is then combusted providing the molecules and ions to become atoms. A hollow-cathode lamp containing the corresponding metal as in the solution (ie. solut... Read More »
Source: http://wiki.answers.com/Q/How_atomic_absorption_spectroscopy_work
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Atomic Absorption Spectroscopy
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Atomic absorption spectrometry is the measurement of the absorption of optical radiation by atoms in the gaseous state. Usually only absorptions involving the ground state, known as resonance lines, are observed.
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Source: http://wiki.answers.com/Q/What_is_resonance_line_of_atomic_absorp...
IIRC spraying the sample into a flame is not part of the normal techniques of absorption spectroscopy. The flame would alter the chemical content of the sample. The sample is usually vaporized and a (preferably black body) light source is s...
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Source: http://answers.yahoo.com/question/index?qid=20080309010705AAR38Di
Emission spectroscopy is a spectroscopic technique which examines the wavelengths of photons emitted by atoms or molecules during their transition from an excited state to a lower energy state. Each element emits a characteristic set of dis...
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Source: http://wiki.answers.com/Q/What_is_the_difference_between_atomic_e...
Narrow line sources are advantageous due to the simple fact that they add selectivity to the technique. If a very narrow line of a specific compound is emitted, there is a good chance that only the element that you are trying to determine w...
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Source: http://wiki.answers.com/Q/What_is_atomic_absorption_spectroscopy_...
( əb′sörp·shən ′spek′träs·kə·pē ) (spectroscopy) An instrumental technique for determining the concentration and structure of a substance by measuring the intensity of electromagnetic radiation it absorbs at various wavelengths.
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Source: http://www.answers.com/topic/absorption-spectroscopy
