skip to main content
OSTI.GOV title logo U.S. Department of Energy
Office of Scientific and Technical Information

Title: Low-temperature formation and stabilization of rare allotropes of cyclooctasulfur (β-S 8 and γ-S 8 ) in the presence of organic carbon at a sulfur-rich glacial site in the Canadian High Arctic

Authors:
; ; ; ; ;
Publication Date:
Sponsoring Org.:
USDOE Office of Science (SC), Basic Energy Sciences (BES) (SC-22)
OSTI Identifier:
1416817
Grant/Contract Number:
AC02-76SF00515
Resource Type:
Journal Article: Publisher's Accepted Manuscript
Journal Name:
Geochimica et Cosmochimica Acta
Additional Journal Information:
Journal Volume: 200; Journal Issue: C; Related Information: CHORUS Timestamp: 2018-01-12 08:30:53; Journal ID: ISSN 0016-7037
Publisher:
Elsevier
Country of Publication:
United States
Language:
English

Citation Formats

Lau, Graham E., Cosmidis, Julie, Grasby, Stephen E., Trivedi, Christopher B., Spear, John R., and Templeton, Alexis S. Low-temperature formation and stabilization of rare allotropes of cyclooctasulfur (β-S 8 and γ-S 8 ) in the presence of organic carbon at a sulfur-rich glacial site in the Canadian High Arctic. United States: N. p., 2017. Web. doi:10.1016/j.gca.2016.11.036.
Lau, Graham E., Cosmidis, Julie, Grasby, Stephen E., Trivedi, Christopher B., Spear, John R., & Templeton, Alexis S. Low-temperature formation and stabilization of rare allotropes of cyclooctasulfur (β-S 8 and γ-S 8 ) in the presence of organic carbon at a sulfur-rich glacial site in the Canadian High Arctic. United States. doi:10.1016/j.gca.2016.11.036.
Lau, Graham E., Cosmidis, Julie, Grasby, Stephen E., Trivedi, Christopher B., Spear, John R., and Templeton, Alexis S. Wed . "Low-temperature formation and stabilization of rare allotropes of cyclooctasulfur (β-S 8 and γ-S 8 ) in the presence of organic carbon at a sulfur-rich glacial site in the Canadian High Arctic". United States. doi:10.1016/j.gca.2016.11.036.
@article{osti_1416817,
title = {Low-temperature formation and stabilization of rare allotropes of cyclooctasulfur (β-S 8 and γ-S 8 ) in the presence of organic carbon at a sulfur-rich glacial site in the Canadian High Arctic},
author = {Lau, Graham E. and Cosmidis, Julie and Grasby, Stephen E. and Trivedi, Christopher B. and Spear, John R. and Templeton, Alexis S.},
abstractNote = {},
doi = {10.1016/j.gca.2016.11.036},
journal = {Geochimica et Cosmochimica Acta},
number = C,
volume = 200,
place = {United States},
year = {Wed Mar 01 00:00:00 EST 2017},
month = {Wed Mar 01 00:00:00 EST 2017}
}

Journal Article:
Free Publicly Available Full Text
Publisher's Version of Record at 10.1016/j.gca.2016.11.036

Citation Metrics:
Cited by: 1work
Citation information provided by
Web of Science

Save / Share:
  • The relative contributions of organic carbon and mineral matter to trichloroethene (TCE) sorption were determined for a natural, clay-rich till from Sarnia, Ont. using laboratory batch tests. Linear TCE sorption coefficients of the two till samples (approximately 12 to 15 m depth) were 64.2 l/kg and 151 l/kg and the organic carbon contents (f{sub oc}) were 0.68% and 1.95%, respectively. To ascertain the importance of sorption to mineral matter versus organic carbon, till samples were treated by baking. The f{sub oc} was reduced by 44 to 90% in treated samples compared to natural samples. TCE sorption coefficients were also reducedmore » to 0.48 to 4.64 l/kg in treated samples. Surface area measurements suggested that treating the till samples appeared to have little effect on the mineral matter. The results indicated that TCE sorption is dominated by the naturally occurring organic carbon. The organic carbon normalized sorption coefficients (K{sub oc}) for the natural (untreated) samples were 16 to 500 times greater than those typically reported for sediment and soil samples, indicating the more lipophilic character of the organic matter in the till. K{sub oc} estimates which accounted for the oxidation state of the organic carbon in the till assuming the carbon is primarily from Devonian-age shale fragments resulted in values close to (within a factor of 2 to 5) those observed. Thus, both the nature and amount of organic carbon in the till play major roles in controlling the magnitude of TCE sorption in this clay-rich deposit.« less
  • We studied the β-decay properties of neutron-rich 85Ga produced in proton-induced fission of 238U at the Holifield Radioactive Ion Beam Facility at Oak Ridge National Laboratory. Data consisted of β-γ and β-γ-γ coincidences were collected at the Low-energy Radioactive Ion Beam Spectroscopy Station after high-resolution on-line mass separation. For the first time, the excited states in the N=53 isotone 85Ge were established from β-delayed γ decay of 85Ga. The level scheme of the N=52 isotone 84Ge was improved and includes now 0 +, 2 +, (2) +, 4 +, and (0) + states populated in the β-delayed-neutron-γ decay of 85Ga.more » Advanced shell-model calculations were used to analyze experimental data on 85Ge and 84Ge.« less
  • We studied the β-decay properties of neutron-rich 85Ga produced in proton-induced fission of 238U at the Holifield Radioactive Ion Beam Facility at Oak Ridge National Laboratory. Data consisted of β-γ and β-γ-γ coincidences were collected at the Low-energy Radioactive Ion Beam Spectroscopy Station after high-resolution on-line mass separation. For the first time, the excited states in the N=53 isotone 85Ge were established from β-delayed γ decay of 85Ga. The level scheme of the N=52 isotone 84Ge was improved and includes now 0 +, 2 +, (2) +, 4 +, and (0) + states populated in the β-delayed-neutron-γ decay of 85Ga.more » Advanced shell-model calculations were used to analyze experimental data on 85Ge and 84Ge.« less