Analytical system for trace element
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United States of America Patent
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Jul 21, 1998
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N/A
app pub date -
Feb 4, 1997
filing date -
Feb 9, 1996
priority date (Note) -
Expired
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Abstract
An analytical system for a trace element, which includes a pressure pump for continuously feeding a carrier solution, a first sample introduction unit for introducing a sample and a reagent using sample loops and switching valves, a first flow passage including a pre-treatment unit for pre-treating the sample by heating, and a second flow passage separated from in pressure from the first flow passage, wherein the sample pre-treated in the first flow passage is sampled into the second flow passage through a second sample introduction unit, and the sample thus sampled in the second flow passage is allowed to coloredly react with a coloring agent and measured in absorbance.
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