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DEVICE FOR ATOMIZING A SAMPLE IN FLAMELESS ATOMIC ABSORPTION SPECTROMETRY
DEVICE FOR ATOMIZING A SAMPLE IN FLAMELESS ATOMIC ABSORPTION SPECTROMETRY
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机译:火焰原子吸收光谱中样品的原子化装置
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摘要
A lamella-shaped sample carrier is attached to a tubular carriage and is movable into a graphite tube of a graphite tube cuvette from the end fact below the measuring light beam of an atomic absorption spectrophotometer. The carriage with the sample carrier is movable between an inner position, a dosing position and an outer position. The sample carrier is electrically heated in any position by means of busses. Drying and ashing of the sample take place outside the graphite tube. The graphite tube is then heated to atomizing temperature, while the sample carrier is in its outer position. Subsequently, the sample carrier is advanced into the inner position and heated itself. Thus, rapid atomization of the sample is achieved.
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