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Chiera Nadine M. Sato Tetsuya K. Tomitsuka Tomohiro Asai Masato Ito Yuta Shirai Kaori Suzuki Hayato Tokoi Katsuyuki Toyoshima Atsushi Tsukada Kazuaki Nagame Yuichiro 《Journal of Radioanalytical and Nuclear Chemistry》2019,320(3):633-642
An isothermal gas-chromatographic (IGC) device has been developed and tested for on-line gas phase studies of volatile oxychlorides of short-lived group-5 transition metals. Radioisotopes of niobium and tantalum, produced in nuclear fusion evaporation reactions, are directly flushed into the IGC setup by an inert gas-jet. Oxychloride compounds are formed by the addition of SOCl2 and O2. Parameters influencing the formation and transport of NbOCl3 and TaOCl3 are discussed. For nuclides with half-lives (t1/2) of about 30 s, an overall efficiency of 7% is obtained, rendering the IGC setup suitable for the chemical exploration of 262Db (t1/2?=?34 s).
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