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Title: Gas phase chromatography of halides of elements 104 and 105

Abstract

On-line isothermal gas phase chromatography was used to study halides of {sup 261}104 (T{sub {1/2}} = 65 s) and {sup 262,263}105 (T{sub {1/2}} = 34 s and 27 s) produced an atom-at-a time via the reactions {sup 248}Cm({sup 18}O, 5n) and {sup 249}Bk({sup 18}O, 5n, 4n), respectively. Using HBr and HCl gas as halogenating agents, we were able to produce volatile bromides and chlorides of the above mentioned elements and study their behavior compared to their lighter homologs in Groups 4 or 5 of the periodic table. Element 104 formed more volatile bromides than its homolog Hf. In contrast, element 105 bromides were found to be less volatile than the bromides of the group 5 elements Nb and Ta. Both 104 and Hf chlorides were observed to be more volatile than their respective bromides. 31 refs., 8 figs.

Authors:
; ; ; ; ; ; ; ; ; ; ;  [1]; ; ; ; ; ;  [2]; ; more »;  [3] « less
  1. (Lawrence Berkeley Lab., CA (United States))
  2. (Paul Scherrer Inst. (PSI), Villigen (Switzerland))
  3. (Philipps-Univ., Marburg
Publication Date:
Research Org.:
Lawrence Berkeley Lab., CA (United States)
Sponsoring Org.:
USDOE; SNSF; BMFT; USDOE, Washington, DC (United States); Swiss National Science Foundation (Switzerland); Bundesministerium fuer Forschung und Technologie, Bonn (Germany)
OSTI Identifier:
5547341
Report Number(s):
LBL-31442; CONF-910422-9
ON: DE92010284
DOE Contract Number:  
AC03-76SF00098
Resource Type:
Conference
Resource Relation:
Conference: International topical conference on methods and applications of radioanalytical chemistry II (MARC-2), Kona, HI (United States), 21-27 Apr 1991
Country of Publication:
United States
Language:
English
Subject:
73 NUCLEAR PHYSICS AND RADIATION PHYSICS; 38 RADIATION CHEMISTRY, RADIOCHEMISTRY, AND NUCLEAR CHEMISTRY; BERKELIUM 249 TARGET; OXYGEN 18 REACTIONS; CURIUM 248 TARGET; HALIDES; GAS CHROMATOGRAPHY; HYDROBROMIC ACID; CHEMICAL REACTIONS; HYDROCHLORIC ACID; ELEMENT 104 COMPOUNDS; ELEMENT 105 COMPOUNDS; HALF-LIFE; HEAVY ION FUSION REACTIONS; SPONTANEOUS FISSION; VOLATILITY; BROMINE COMPOUNDS; CHARGED-PARTICLE REACTIONS; CHLORINE COMPOUNDS; CHROMATOGRAPHY; DAYS LIVING RADIOISOTOPES; DECAY; FISSION; HALOGEN COMPOUNDS; HEAVY ION REACTIONS; HYDROGEN COMPOUNDS; INORGANIC ACIDS; ISOTOPES; NUCLEAR DECAY; NUCLEAR REACTIONS; RADIOISOTOPES; SEPARATION PROCESSES; TARGETS; TRANS 104 ELEMENT COMPOUNDS; TRANSPLUTONIUM COMPOUNDS; TRANSURANIUM COMPOUNDS; YEARS LIVING RADIOISOTOPES; 663450* - Heavy-Ion-Induced Reactions & Scattering- (1992-); 400702 - Radiochemistry & Nuclear Chemistry- Properties of Radioactive Materials

Citation Formats

Tuerler, A., Gregorich, K.E., Czerwinski, K.R., Hannink, N.J., Henderson, R.A., Hoffman, D.C., Kacher, C.D., Kadkhodayan, B., Kreek, S.A., Lee, D.M., Leyba, J.D., Nurmia, M.J., Gaeggeler, H.W., Jost, D.T., Kovacs, J., Scherer, U.W., Vermeulen, D., Weber, A., Barth, H., Gober, M.K., and Kratz, J.V. Gas phase chromatography of halides of elements 104 and 105. United States: N. p., 1991. Web.
Tuerler, A., Gregorich, K.E., Czerwinski, K.R., Hannink, N.J., Henderson, R.A., Hoffman, D.C., Kacher, C.D., Kadkhodayan, B., Kreek, S.A., Lee, D.M., Leyba, J.D., Nurmia, M.J., Gaeggeler, H.W., Jost, D.T., Kovacs, J., Scherer, U.W., Vermeulen, D., Weber, A., Barth, H., Gober, M.K., & Kratz, J.V. Gas phase chromatography of halides of elements 104 and 105. United States.
Tuerler, A., Gregorich, K.E., Czerwinski, K.R., Hannink, N.J., Henderson, R.A., Hoffman, D.C., Kacher, C.D., Kadkhodayan, B., Kreek, S.A., Lee, D.M., Leyba, J.D., Nurmia, M.J., Gaeggeler, H.W., Jost, D.T., Kovacs, J., Scherer, U.W., Vermeulen, D., Weber, A., Barth, H., Gober, M.K., and Kratz, J.V. Mon . "Gas phase chromatography of halides of elements 104 and 105". United States. https://www.osti.gov/servlets/purl/5547341.
@article{osti_5547341,
title = {Gas phase chromatography of halides of elements 104 and 105},
author = {Tuerler, A. and Gregorich, K.E. and Czerwinski, K.R. and Hannink, N.J. and Henderson, R.A. and Hoffman, D.C. and Kacher, C.D. and Kadkhodayan, B. and Kreek, S.A. and Lee, D.M. and Leyba, J.D. and Nurmia, M.J. and Gaeggeler, H.W. and Jost, D.T. and Kovacs, J. and Scherer, U.W. and Vermeulen, D. and Weber, A. and Barth, H. and Gober, M.K. and Kratz, J.V.},
abstractNote = {On-line isothermal gas phase chromatography was used to study halides of {sup 261}104 (T{sub {1/2}} = 65 s) and {sup 262,263}105 (T{sub {1/2}} = 34 s and 27 s) produced an atom-at-a time via the reactions {sup 248}Cm({sup 18}O, 5n) and {sup 249}Bk({sup 18}O, 5n, 4n), respectively. Using HBr and HCl gas as halogenating agents, we were able to produce volatile bromides and chlorides of the above mentioned elements and study their behavior compared to their lighter homologs in Groups 4 or 5 of the periodic table. Element 104 formed more volatile bromides than its homolog Hf. In contrast, element 105 bromides were found to be less volatile than the bromides of the group 5 elements Nb and Ta. Both 104 and Hf chlorides were observed to be more volatile than their respective bromides. 31 refs., 8 figs.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {1991},
month = {4}
}

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