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Journal Articles

On the adsorption and reactivity of element 114, flerovium

Yakushev, A.*; Lens, L.*; D$"u$llmann, Ch. E.*; Khuyagbaatar, J.*; J$"a$ger, E.*; Krier, J.*; Runke, J.*; Albers, H. M.*; Asai, Masato; Block, M.*; et al.

Frontiers in Chemistry (Internet), 10, p.976635_1 - 976635_11, 2022/08

 Times Cited Count:11 Percentile:80.03(Chemistry, Multidisciplinary)

Flerovium (Fl, element 114) is the heaviest element chemically studied so far. The first chemical experiment on Fl suggested that Fl is a noble-gas-like element, while the second studies suggested that Fl has a volatile-metal-like character. To obtain more reliable conclusion, we performed further experimental studies on Fl adsorption behavior on Si oxide and gold surfaces. The present results suggest that Fl is highly volatile and less reactive than the volatile metal, Hg, but has higher reactivity than the noble gas, Rn.

Journal Articles

Online chemical adsorption studies of Hg, Tl, and Pb on SiO$$_{2}$$ and Au surfaces in preparation for chemical investigations on Cn, Nh, and Fl at TASCA

Lens, L.*; Yakushev, A.*; D$"u$llmann, Ch. E.*; Asai, Masato; Ballof, J.*; Block, M.*; David, H. M.*; Despotopulos, J.*; Di Nitto, A.*; Eberhardt, K.*; et al.

Radiochimica Acta, 106(12), p.949 - 962, 2018/12

AA2018-0417.pdf:0.99MB

 Times Cited Count:8 Percentile:62.29(Chemistry, Inorganic & Nuclear)

Online gas-solid adsorption studies with single atom quantities of Hg, Tl, and Pb on SiO$$_{2}$$ and Au surfaces were carried out using short-lived radioisotopes with half-lives in the range of 4-49 s. This is a model study to measure adsorption enthalpies of superheavy elements Cn, Nh, and Fl. The short-lived isotopes were produced and separated by the gas-filled recoil separator TASCA at GSI. The products were stopped in He gas, and flushed into gas chromatography columns made of Si detectors whose surfaces were covered by SiO$$_{2}$$ or Au. The short-lived Tl and Pb were successfully measured by the Si detectors with the SiO$$_{2}$$ surface at room temperature. On the other hand, the Hg did not adsorb on the SiO$$_{2}$$ surface, but adsorbed on the Au surface. The results demonstrated that the adsorption properties of short-lived Hg, Tl, and Pb could be studied with this setup, and that this method is applicable to the experiment for Cn, Nh, and Fl.

Journal Articles

Study on life estimation of cable insulation by gas evolution and oxygen consumption during radiation and thermal aging

*; *; *; Yagi, Toshiaki; Seguchi, Tadao

Proc. on the Electrical Electronics Insulation Conf. and Electrical Manufacturing & Coil Winding Conf., p.703 - 706, 1993/00

no abstracts in English

Journal Articles

Development of a chemical form discrimination system for $$^{14}$$C species in gaseous waste

Endo, Akira; *; ; ;

Health Physics, 62(4), p.319 - 327, 1992/04

 Times Cited Count:3 Percentile:35.31(Environmental Sciences)

no abstracts in English

Journal Articles

Gibbs free energies of formation of molybdenum carbide and tungsten carbide from 1173 to 1573K

; ;

Metall.Trans.,A, 17, p.2031 - 2034, 1986/00

no abstracts in English

JAEA Reports

Impurities in a Sulfur Hexafluoride Insulating Gas Medium of the JAERI Tandem Accelerator

; ; Arakawa, Kazuo

JAERI-M 84-004, 18 Pages, 1984/02

JAERI-M-84-004.pdf:0.64MB

no abstracts in English

Journal Articles

Preparation of gas chromatographic column for separation of hydrogen isotopes and its application to analysis in commercially available tritium gas

Saeki, Masakatsu; Hirabayashi, Takakuni; ; *; Tachikawa, Enzo

Journal of Nuclear Science and Technology, 20(9), p.762 - 768, 1983/00

 Times Cited Count:11 Percentile:75.46(Nuclear Science & Technology)

no abstracts in English

Journal Articles

Radiation-induced gas evolution from commercial lubricant base oil

Arakawa, Kazuo; Nakanishi, Hiroshi*; Hayakawa, Naohiro

Nucl.Techonl., 61, p.533 - 539, 1983/00

 Times Cited Count:2 Percentile:35.11(Nuclear Science & Technology)

no abstracts in English

Journal Articles

Production of elemental iodine from radioactive methyl iodide under sunlight

; ;

Journal of Nuclear Science and Technology, 16(7), p.527 - 530, 1979/00

 Times Cited Count:0

no abstracts in English

Journal Articles

In-line gas chromatograph for analysis of UF$$_{6}$$ and/or F$$_{2}$$

;

Journal of Nuclear Science and Technology, 14(2), p.147 - 152, 1977/02

 Times Cited Count:1

no abstracts in English

Journal Articles

A Gas chromatographic study on the kinetics of uranium oxidation in moist environments

Kondo, Tatsuo; F.H.Beck*; M.G.Fontana*

Corrosion, 30(9), p.330 - 339, 1974/09

 Times Cited Count:16

no abstracts in English

Journal Articles

High sensitivity dosimetry by $$^{1}$$$$^{4}$$CO$$_{2}$$

; *; *; *; ; *; *; Naito, Keiji

Chemistry Letters, 1973(9), p.1015 - 1016, 1973/09

no abstracts in English

Journal Articles

Gas chromatography of uranium hexafluoride at low temperature

; ; *

Journal of Nuclear Science and Technology, 5(3), p.127 - 131, 1968/00

 Times Cited Count:0

no abstracts in English

14 (Records 1-14 displayed on this page)
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