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Report No.

On-line isothermal gas chromatography of oxychlorides of Db (Z=105) and its homologues Nb and Ta

Sato, Tetsuya  ; Tsukada, Kazuaki ; Asai, Masato ; Toyoshima, Atsushi; Sato, Nozomi; Li, Z.; Kikuchi, Takahiro; Kaneya, Yusuke*; Nagame, Yuichiro; Sch$"a$del, M.

We have successfully developed an on-line isothermal gas chromatographic apparatus for the study of gas chemistry of the transactinide elements dubnium (Db, Z = 105). Isothermal gas chromatographic behavior of oxychlorides of Nb and Ta, as the lighter homologues of Db, were observed, and the adsorption enthalpies of the Nb and Ta compounds on a quartz surface were determined. Db was also chemical separated in the similar condition.



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