Sorption of plutonium(VI) by hydroxyapatite

R. C. Moore, M. Gasser, N. Awwad, K. C. Holt, F. M. Salas, A. Hasan, M. A. Hasan, H. Zhao, Charles A Sanchez

Research output: Contribution to journalArticle

29 Citations (Scopus)

Abstract

The sorption of Pu(VI) by synthetic hydroxyapatite was determined in NaClO4 media. Pu(VI) sorption was determined to be rapid with equilibrium attained in 2 hours. Equilibrium experiments indicated sorption to be pH dependent with distribution constants, log Kd values, ranging from 4.11 at pH 6 to 5.92 at pH 8.5. Data collected at pH 8.0 with varying total Pu(VI) were fit to the Langmuir isotherm and yielded Langmuir constants of Ca = 0.0147 mole/mole and/C= 1.71·108l/mole. Although varying ionic strength did not have an effect on Pu(VI) sorption, a decrease in sorption was evident at high calcium and phosphate concentrations.

Original languageEnglish (US)
Pages (from-to)97-101
Number of pages5
JournalJournal of Radioanalytical and Nuclear Chemistry
Volume263
Issue number1
DOIs
StatePublished - 2005

Fingerprint

Plutonium
Durapatite
Hydroxyapatite
Sorption
Osmolar Concentration
Ionic strength
Isotherms
Calcium
Phosphates
Experiments

ASJC Scopus subject areas

  • Analytical Chemistry
  • Inorganic Chemistry
  • Nuclear Energy and Engineering

Cite this

Moore, R. C., Gasser, M., Awwad, N., Holt, K. C., Salas, F. M., Hasan, A., ... Sanchez, C. A. (2005). Sorption of plutonium(VI) by hydroxyapatite. Journal of Radioanalytical and Nuclear Chemistry, 263(1), 97-101. https://doi.org/10.1007/s10967-005-0019-z

Sorption of plutonium(VI) by hydroxyapatite. / Moore, R. C.; Gasser, M.; Awwad, N.; Holt, K. C.; Salas, F. M.; Hasan, A.; Hasan, M. A.; Zhao, H.; Sanchez, Charles A.

In: Journal of Radioanalytical and Nuclear Chemistry, Vol. 263, No. 1, 2005, p. 97-101.

Research output: Contribution to journalArticle

Moore, RC, Gasser, M, Awwad, N, Holt, KC, Salas, FM, Hasan, A, Hasan, MA, Zhao, H & Sanchez, CA 2005, 'Sorption of plutonium(VI) by hydroxyapatite', Journal of Radioanalytical and Nuclear Chemistry, vol. 263, no. 1, pp. 97-101. https://doi.org/10.1007/s10967-005-0019-z
Moore, R. C. ; Gasser, M. ; Awwad, N. ; Holt, K. C. ; Salas, F. M. ; Hasan, A. ; Hasan, M. A. ; Zhao, H. ; Sanchez, Charles A. / Sorption of plutonium(VI) by hydroxyapatite. In: Journal of Radioanalytical and Nuclear Chemistry. 2005 ; Vol. 263, No. 1. pp. 97-101.
@article{1f779a892e3d4197a2cf7bfaf94c1c77,
title = "Sorption of plutonium(VI) by hydroxyapatite",
abstract = "The sorption of Pu(VI) by synthetic hydroxyapatite was determined in NaClO4 media. Pu(VI) sorption was determined to be rapid with equilibrium attained in 2 hours. Equilibrium experiments indicated sorption to be pH dependent with distribution constants, log Kd values, ranging from 4.11 at pH 6 to 5.92 at pH 8.5. Data collected at pH 8.0 with varying total Pu(VI) were fit to the Langmuir isotherm and yielded Langmuir constants of Ca = 0.0147 mole/mole and/C= 1.71·108l/mole. Although varying ionic strength did not have an effect on Pu(VI) sorption, a decrease in sorption was evident at high calcium and phosphate concentrations.",
author = "Moore, {R. C.} and M. Gasser and N. Awwad and Holt, {K. C.} and Salas, {F. M.} and A. Hasan and Hasan, {M. A.} and H. Zhao and Sanchez, {Charles A}",
year = "2005",
doi = "10.1007/s10967-005-0019-z",
language = "English (US)",
volume = "263",
pages = "97--101",
journal = "Journal of Radioanalytical Chemistry",
issn = "0022-4081",
publisher = "Springer Netherlands",
number = "1",

}

TY - JOUR

T1 - Sorption of plutonium(VI) by hydroxyapatite

AU - Moore, R. C.

AU - Gasser, M.

AU - Awwad, N.

AU - Holt, K. C.

AU - Salas, F. M.

AU - Hasan, A.

AU - Hasan, M. A.

AU - Zhao, H.

AU - Sanchez, Charles A

PY - 2005

Y1 - 2005

N2 - The sorption of Pu(VI) by synthetic hydroxyapatite was determined in NaClO4 media. Pu(VI) sorption was determined to be rapid with equilibrium attained in 2 hours. Equilibrium experiments indicated sorption to be pH dependent with distribution constants, log Kd values, ranging from 4.11 at pH 6 to 5.92 at pH 8.5. Data collected at pH 8.0 with varying total Pu(VI) were fit to the Langmuir isotherm and yielded Langmuir constants of Ca = 0.0147 mole/mole and/C= 1.71·108l/mole. Although varying ionic strength did not have an effect on Pu(VI) sorption, a decrease in sorption was evident at high calcium and phosphate concentrations.

AB - The sorption of Pu(VI) by synthetic hydroxyapatite was determined in NaClO4 media. Pu(VI) sorption was determined to be rapid with equilibrium attained in 2 hours. Equilibrium experiments indicated sorption to be pH dependent with distribution constants, log Kd values, ranging from 4.11 at pH 6 to 5.92 at pH 8.5. Data collected at pH 8.0 with varying total Pu(VI) were fit to the Langmuir isotherm and yielded Langmuir constants of Ca = 0.0147 mole/mole and/C= 1.71·108l/mole. Although varying ionic strength did not have an effect on Pu(VI) sorption, a decrease in sorption was evident at high calcium and phosphate concentrations.

UR - http://www.scopus.com/inward/record.url?scp=17144418892&partnerID=8YFLogxK

UR - http://www.scopus.com/inward/citedby.url?scp=17144418892&partnerID=8YFLogxK

U2 - 10.1007/s10967-005-0019-z

DO - 10.1007/s10967-005-0019-z

M3 - Article

AN - SCOPUS:17144418892

VL - 263

SP - 97

EP - 101

JO - Journal of Radioanalytical Chemistry

JF - Journal of Radioanalytical Chemistry

SN - 0022-4081

IS - 1

ER -