Startup of transactinide chemistry in JAERI

H. Haba; K. Tsukada; M. Asai; I. Nishinaka; M. Sakama; S. Goto; M. Hirata; S. Ichikawa; Y. Nagame; T. Kaneko; H. Kudo; A. Toyoshima; Y. Shoji; A. Yokoyama; A. Shinohara; Y. Oura; K. Sueki; H. Nakahara; M. Schädel; J. V. Kratz; A. Türler; H. W. Gäggeler

doi:10.1524/ract.2001.89.11-12.733

Startup of transactinide chemistry in JAERI

H. Haba, K. Tsukada, M. Asai, I. Nishinaka, M. Sakama, S. Goto, M. Hirata, S. Ichikawa, Y. Nagame, T. Kaneko, H. Kudo, A. Toyoshima, Y. Shoji, A. Yokoyama, A. Shinohara, Y. Oura, K. Sueki, H. Nakahara, M. Schädel, J. V. KratzA. Türler, H. W. Gäggeler

Research output: Contribution to journal › Article › peer-review

8 Citations (Scopus)

Abstract

The transactinide nuclides ²⁶¹Rf and ²⁶²Db have been successfully produced in the ²⁴⁸Cm(¹⁸O,5n) reaction at 99MeV and in the ²⁴⁸Cm(¹⁹F,5n) reaction at 100, 103, and 106 MeV, respectively, at the JAERI tandem accelerator. The on-line ion exchange experiments with an automated fast and repetitive liquid chromatography separation system were performed in the HNO₃/HF system using Rf homologues ^89mZr and ^167,165Hf produced in the ⁸⁹Y(p, n) and ¹⁵²Gd(¹⁸O,xn) reactions, respectively. The radiotracers ⁸⁸Zr, ¹⁷⁵Hf, and ²³⁴Th were also prepared and the distribution coefficients on ion exchange resins were measured systematically in 1-11 M HCl and 1-14 M HNO₃ with the batch method. It was found that anion exchange experiments of Rf in 8 M HNO₃ and 9 M HCl provided information useful to extract the ionic radius of Rf and to verify the influence of relativistic effects.

Original language	English
Pages (from-to)	733-736
Number of pages	4
Journal	Radiochimica Acta
Volume	89
Issue number	11-12
DOIs	https://doi.org/10.1524/ract.2001.89.11-12.733
Publication status	Published - Jan 1 2001
Externally published	Yes

All Science Journal Classification (ASJC) codes

Physical and Theoretical Chemistry

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Haba, H., Tsukada, K., Asai, M., Nishinaka, I., Sakama, M., Goto, S., Hirata, M., Ichikawa, S., Nagame, Y., Kaneko, T., Kudo, H., Toyoshima, A., Shoji, Y., Yokoyama, A., Shinohara, A., Oura, Y., Sueki, K., Nakahara, H., Schädel, M., ... Gäggeler, H. W. (2001). Startup of transactinide chemistry in JAERI. Radiochimica Acta, 89(11-12), 733-736. https://doi.org/10.1524/ract.2001.89.11-12.733

Startup of transactinide chemistry in JAERI. / Haba, H.; Tsukada, K.; Asai, M.; Nishinaka, I.; Sakama, M.; Goto, S.; Hirata, M.; Ichikawa, S.; Nagame, Y.; Kaneko, T.; Kudo, H.; Toyoshima, A.; Shoji, Y.; Yokoyama, A.; Shinohara, A.; Oura, Y.; Sueki, K.; Nakahara, H.; Schädel, M.; Kratz, J. V.; Türler, A.; Gäggeler, H. W.

In: Radiochimica Acta, Vol. 89, No. 11-12, 01.01.2001, p. 733-736.

Research output: Contribution to journal › Article › peer-review

Haba, H, Tsukada, K, Asai, M, Nishinaka, I, Sakama, M, Goto, S, Hirata, M, Ichikawa, S, Nagame, Y, Kaneko, T, Kudo, H, Toyoshima, A, Shoji, Y, Yokoyama, A, Shinohara, A, Oura, Y, Sueki, K, Nakahara, H, Schädel, M, Kratz, JV, Türler, A & Gäggeler, HW 2001, 'Startup of transactinide chemistry in JAERI', Radiochimica Acta, vol. 89, no. 11-12, pp. 733-736. https://doi.org/10.1524/ract.2001.89.11-12.733

Haba, H. ; Tsukada, K. ; Asai, M. ; Nishinaka, I. ; Sakama, M. ; Goto, S. ; Hirata, M. ; Ichikawa, S. ; Nagame, Y. ; Kaneko, T. ; Kudo, H. ; Toyoshima, A. ; Shoji, Y. ; Yokoyama, A. ; Shinohara, A. ; Oura, Y. ; Sueki, K. ; Nakahara, H. ; Schädel, M. ; Kratz, J. V. ; Türler, A. ; Gäggeler, H. W. / Startup of transactinide chemistry in JAERI. In: Radiochimica Acta. 2001 ; Vol. 89, No. 11-12. pp. 733-736.

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abstract = "The transactinide nuclides 261Rf and 262Db have been successfully produced in the 248Cm(18O,5n) reaction at 99MeV and in the 248Cm(19F,5n) reaction at 100, 103, and 106 MeV, respectively, at the JAERI tandem accelerator. The on-line ion exchange experiments with an automated fast and repetitive liquid chromatography separation system were performed in the HNO3/HF system using Rf homologues 89mZr and 167,165Hf produced in the 89Y(p, n) and 152Gd(18O,xn) reactions, respectively. The radiotracers 88Zr, 175Hf, and 234Th were also prepared and the distribution coefficients on ion exchange resins were measured systematically in 1-11 M HCl and 1-14 M HNO3 with the batch method. It was found that anion exchange experiments of Rf in 8 M HNO3 and 9 M HCl provided information useful to extract the ionic radius of Rf and to verify the influence of relativistic effects.",

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AU - Gäggeler, H. W.

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