Chemistry: analytical and immunological testing – Metal or metal containing
Reexamination Certificate
2011-04-19
2011-04-19
Bullock, In Suk (Department: 1772)
Chemistry: analytical and immunological testing
Metal or metal containing
C436S072000, C436S077000, C436S079000, C436S080000, C436S082000, C436S083000, C436S084000, C422S401000, C422S557000, C422S560000, C422S908000, C075S010450, C065S032500, C501S086000, C501S102000, C501S105000, C427S446000, C423S076000, C423S446000, C423S608000, C205S192000, C205S400000, C164S497000
Reexamination Certificate
active
07927879
ABSTRACT:
Proposed is a zirconium crucible used for melting an analytical sample in the pretreatment of the analytical sample, wherein the purity of the zirconium crucible is 99.99 wt % or higher. In light of the recent analytical technology demanded of fast and accurate measurement of high purity materials, the present invention provides a zirconium crucible for melting an analytical sample, a method of preparing such analytical sample, and a method of analysis that enables the analysis of high purity materials by inhibiting the inclusion of impurities from the crucible regardless of difference in the analysts and their skill.
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Sakaguchi Masahiro
Takahashi Tomio
Takemoto Kouichi
Yamaguchi Mitsuru
Bullock In Suk
Howson & Howson LLP
JX Nippon Mining & Metals Corporation
White Dennis M
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