Zirconium Crucible
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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Issued Date -
Oct 6, 2011
app pub date -
Mar 10, 2010
filing date -
Mar 23, 2009
priority date (Note) -
Abandoned
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Abstract
Provided is a zirconium crucible for analytical use, wherein the purity excluding gas components is 3N or higher and the content of oxygen as a gas component is 500 mass ppm or less. In light of the recent analytical technology for which a fast and accurate measurement of high-purity materials is required; an object of the present invention is to inhibit the incorporation of impurities from a crucible by using a high-purity crucible, and provide a zirconium crucible for analytical use, wherein a two-stage separation/decomposition process is not required in the analysis of samples in which various types of oxides and metals such as sludge, bottom sediment samples and soil coexist, and the number of times that the crucible can be used is increased by improving the durability of high-purity zirconium metal.
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