Pleiades Publishing
Radiochemistry
,  volume 61 ,  issue 6 ,  pages 763-770

Radionuclide Sequential Extraction from Reservoir R-17 Bottom Sediments of the Mayak Production Association

A K Rozhkova 1
, 
N. V. Kuzmenkova 1, 2
, 
O A Kangina 1
, 
E A Pryakhin 3
, 
Yu. G. Mokrov 4
, 
S N Kalmykov 1, 2
1
 
2
 
3
 
Ural Scientific and Practical Center of Radiation Medicine, Chelyabinsk, Russia | 
4
 
Mayak Production Association, Chelyabinsk oblast, Russia | 
Publication type: Journal Article
Publication date: 2019-11-01
Pleiades Publishing
scimago Q3
wos Q4
SJR: 0.285
CiteScore: 1.6
Impact factor: 1.0
ISSN: 10663622, 16083288
Physical and Theoretical Chemistry
Abstract
The extraction parameters and speciation of 137Cs and 241Am in bottom sediments of reservoir R-17 of the Mayak Production Assocation were studied. The extraction was performed with four solutions with different pH values (water simulating in its composition the groundwater from the investigated area, 0.1 M Na2CO3, acetate buffer solution, and 1 × 10−3 M HNO3). With the first solution, the degree of extraction of 137Cs and 90Sr becomes constant in 24 h. The desorption percentage did not depend on pH. The 137Cs distribution coefficients were calculated. The lowest values were observed in the buffer solution (27) and sodium carbonate solution (21), and the highest values, in water (9250). As shown by sequential extraction, the major fraction of cesium (90%) occurs in the insoluble form. Incorporation into the crystal lattice of clay minerals was found to be the main sorption mechanism. The 241Am sorption mainly occurs by the mechanism of complexation with carbonates.
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GOST Copy
Rozhkova A. K. et al. Radionuclide Sequential Extraction from Reservoir R-17 Bottom Sediments of the Mayak Production Association // Radiochemistry. 2019. Vol. 61. No. 6. pp. 763-770.
GOST all authors (up to 50) Copy
Rozhkova A. K., Kuzmenkova N. V., Kangina O. A., Pryakhin E. A., Mokrov Y. G., Kalmykov S. N. Radionuclide Sequential Extraction from Reservoir R-17 Bottom Sediments of the Mayak Production Association // Radiochemistry. 2019. Vol. 61. No. 6. pp. 763-770.
RIS |
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RIS Copy
TY - JOUR
DO - 10.1134/S1066362219060213
UR - http://link.springer.com/10.1134/S1066362219060213
TI - Radionuclide Sequential Extraction from Reservoir R-17 Bottom Sediments of the Mayak Production Association
T2 - Radiochemistry
AU - Rozhkova, A K
AU - Kuzmenkova, N. V.
AU - Kangina, O A
AU - Pryakhin, E A
AU - Mokrov, Yu. G.
AU - Kalmykov, S N
PY - 2019
DA - 2019/11/01
PB - Pleiades Publishing
SP - 763-770
IS - 6
VL - 61
SN - 1066-3622
SN - 1608-3288
ER -
BibTex |
Cite this
BibTex (up to 50 authors) Copy
@article{2019_Rozhkova,
author = {A K Rozhkova and N. V. Kuzmenkova and O A Kangina and E A Pryakhin and Yu. G. Mokrov and S N Kalmykov},
title = {Radionuclide Sequential Extraction from Reservoir R-17 Bottom Sediments of the Mayak Production Association},
journal = {Radiochemistry},
year = {2019},
volume = {61},
publisher = {Pleiades Publishing},
month = {nov},
url = {http://link.springer.com/10.1134/S1066362219060213},
number = {6},
pages = {763--770},
doi = {10.1134/S1066362219060213}
}
MLA
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MLA Copy
Rozhkova, A. K., et al. “Radionuclide Sequential Extraction from Reservoir R-17 Bottom Sediments of the Mayak Production Association.” Radiochemistry, vol. 61, no. 6, Nov. 2019, pp. 763-770. http://link.springer.com/10.1134/S1066362219060213.