Radionuclide Sequential Extraction from Reservoir R-17 Bottom Sediments of the Mayak Production Association
The extraction parameters and speciation of 137 Cs and 241 Am 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 ar...
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| Veröffentlicht in: | Radiochemistry (New York, N.Y.) N.Y.), 2019-11, Vol.61 (6), p.763-770 |
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| container_title | Radiochemistry (New York, N.Y.) |
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| creator | Rozhkova, A. K. Kuzmenkova, N. V. Kangina, O. A. Pryakhin, E. A. Mokrov, Yu. G. Kalmykov, S. N. |
| description | The extraction parameters and speciation of
137
Cs and
241
Am 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 Na
2
CO
3
, acetate buffer solution, and 1 × 10
−3
M HNO
3
). With the first solution, the degree of extraction of
137
Cs and
90
Sr becomes constant in 24 h. The desorption percentage did not depend on pH. The
137
Cs 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
241
Am sorption mainly occurs by the mechanism of complexation with carbonates. |
| doi_str_mv | 10.1134/S1066362219060213 |
| format | Article |
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137
Cs and
241
Am 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 Na
2
CO
3
, acetate buffer solution, and 1 × 10
−3
M HNO
3
). With the first solution, the degree of extraction of
137
Cs and
90
Sr becomes constant in 24 h. The desorption percentage did not depend on pH. The
137
Cs 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
241
Am sorption mainly occurs by the mechanism of complexation with carbonates.</description><identifier>ISSN: 1066-3622</identifier><identifier>EISSN: 1608-3288</identifier><identifier>DOI: 10.1134/S1066362219060213</identifier><language>eng</language><publisher>Moscow: Pleiades Publishing</publisher><subject>Buffer solutions ; Carbonates ; Cesium 137 ; Cesium isotopes ; Chemistry ; Chemistry and Materials Science ; Chemistry/Food Science ; Clay minerals ; Crystal lattices ; Groundwater ; Mathematical analysis ; Nuclear Chemistry ; Radioisotopes ; Reservoirs ; Sediments ; Sodium carbonate ; Sorption ; Speciation ; Strontium 90</subject><ispartof>Radiochemistry (New York, N.Y.), 2019-11, Vol.61 (6), p.763-770</ispartof><rights>Pleiades Publishing, Inc. 2019</rights><rights>Copyright Springer Nature B.V. 2019</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c316t-3d03aaccd0945d65e52a5c167ea44c0ed67337a2170cecb180d57228bd5ba06e3</citedby><cites>FETCH-LOGICAL-c316t-3d03aaccd0945d65e52a5c167ea44c0ed67337a2170cecb180d57228bd5ba06e3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://link.springer.com/content/pdf/10.1134/S1066362219060213$$EPDF$$P50$$Gspringer$$H</linktopdf><linktohtml>$$Uhttps://link.springer.com/10.1134/S1066362219060213$$EHTML$$P50$$Gspringer$$H</linktohtml><link.rule.ids>314,776,780,27901,27902,41464,42533,51294</link.rule.ids></links><search><creatorcontrib>Rozhkova, A. K.</creatorcontrib><creatorcontrib>Kuzmenkova, N. V.</creatorcontrib><creatorcontrib>Kangina, O. A.</creatorcontrib><creatorcontrib>Pryakhin, E. A.</creatorcontrib><creatorcontrib>Mokrov, Yu. G.</creatorcontrib><creatorcontrib>Kalmykov, S. N.</creatorcontrib><title>Radionuclide Sequential Extraction from Reservoir R-17 Bottom Sediments of the Mayak Production Association</title><title>Radiochemistry (New York, N.Y.)</title><addtitle>Radiochemistry</addtitle><description>The extraction parameters and speciation of
137
Cs and
241
Am 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 Na
2
CO
3
, acetate buffer solution, and 1 × 10
−3
M HNO
3
). With the first solution, the degree of extraction of
137
Cs and
90
Sr becomes constant in 24 h. The desorption percentage did not depend on pH. The
137
Cs 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
241
Am sorption mainly occurs by the mechanism of complexation with carbonates.</description><subject>Buffer solutions</subject><subject>Carbonates</subject><subject>Cesium 137</subject><subject>Cesium isotopes</subject><subject>Chemistry</subject><subject>Chemistry and Materials Science</subject><subject>Chemistry/Food Science</subject><subject>Clay minerals</subject><subject>Crystal lattices</subject><subject>Groundwater</subject><subject>Mathematical analysis</subject><subject>Nuclear Chemistry</subject><subject>Radioisotopes</subject><subject>Reservoirs</subject><subject>Sediments</subject><subject>Sodium carbonate</subject><subject>Sorption</subject><subject>Speciation</subject><subject>Strontium 90</subject><issn>1066-3622</issn><issn>1608-3288</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2019</creationdate><recordtype>article</recordtype><recordid>eNp1kFtLAzEQhYMoWKs_wLeAz6uTZHPpYy3eoKK0-rykSVa3l01NsmL_vSkr-CA-zWHO-WaYQeicwCUhrLyaExCCCUrJCARQwg7QgAhQBaNKHWad7WLvH6OTGJcAoIhQA7Saadv4tjPrxjo8dx-da1Oj1_jmKwVtUvZwHfwGz1x04dM3Ac8KIvG1Tyl35842m0xE7Guc3h1-1Du9ws_B266HxzF60-i9PkVHtV5Hd_ZTh-j19uZlcl9Mn-4eJuNpYRgRqWAWmNbGWBiV3AruONXcECGdLksDzgrJmNSUSDDOLIgCyyWlamH5QoNwbIgu-rnb4PM9MVVL34U2r6woYzCSXMkyp0ifMsHHGFxdbUOz0WFXEaj2P63-_DQztGdizrZvLvxO_h_6BkUIeRA</recordid><startdate>20191101</startdate><enddate>20191101</enddate><creator>Rozhkova, A. K.</creator><creator>Kuzmenkova, N. V.</creator><creator>Kangina, O. A.</creator><creator>Pryakhin, E. A.</creator><creator>Mokrov, Yu. G.</creator><creator>Kalmykov, S. N.</creator><general>Pleiades Publishing</general><general>Springer Nature B.V</general><scope>AAYXX</scope><scope>CITATION</scope></search><sort><creationdate>20191101</creationdate><title>Radionuclide Sequential Extraction from Reservoir R-17 Bottom Sediments of the Mayak Production Association</title><author>Rozhkova, A. K. ; Kuzmenkova, N. V. ; Kangina, O. A. ; Pryakhin, E. A. ; Mokrov, Yu. G. ; Kalmykov, S. N.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c316t-3d03aaccd0945d65e52a5c167ea44c0ed67337a2170cecb180d57228bd5ba06e3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2019</creationdate><topic>Buffer solutions</topic><topic>Carbonates</topic><topic>Cesium 137</topic><topic>Cesium isotopes</topic><topic>Chemistry</topic><topic>Chemistry and Materials Science</topic><topic>Chemistry/Food Science</topic><topic>Clay minerals</topic><topic>Crystal lattices</topic><topic>Groundwater</topic><topic>Mathematical analysis</topic><topic>Nuclear Chemistry</topic><topic>Radioisotopes</topic><topic>Reservoirs</topic><topic>Sediments</topic><topic>Sodium carbonate</topic><topic>Sorption</topic><topic>Speciation</topic><topic>Strontium 90</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Rozhkova, A. K.</creatorcontrib><creatorcontrib>Kuzmenkova, N. V.</creatorcontrib><creatorcontrib>Kangina, O. A.</creatorcontrib><creatorcontrib>Pryakhin, E. A.</creatorcontrib><creatorcontrib>Mokrov, Yu. G.</creatorcontrib><creatorcontrib>Kalmykov, S. N.</creatorcontrib><collection>CrossRef</collection><jtitle>Radiochemistry (New York, N.Y.)</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Rozhkova, A. K.</au><au>Kuzmenkova, N. V.</au><au>Kangina, O. A.</au><au>Pryakhin, E. A.</au><au>Mokrov, Yu. G.</au><au>Kalmykov, S. N.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Radionuclide Sequential Extraction from Reservoir R-17 Bottom Sediments of the Mayak Production Association</atitle><jtitle>Radiochemistry (New York, N.Y.)</jtitle><stitle>Radiochemistry</stitle><date>2019-11-01</date><risdate>2019</risdate><volume>61</volume><issue>6</issue><spage>763</spage><epage>770</epage><pages>763-770</pages><issn>1066-3622</issn><eissn>1608-3288</eissn><abstract>The extraction parameters and speciation of
137
Cs and
241
Am 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 Na
2
CO
3
, acetate buffer solution, and 1 × 10
−3
M HNO
3
). With the first solution, the degree of extraction of
137
Cs and
90
Sr becomes constant in 24 h. The desorption percentage did not depend on pH. The
137
Cs 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
241
Am sorption mainly occurs by the mechanism of complexation with carbonates.</abstract><cop>Moscow</cop><pub>Pleiades Publishing</pub><doi>10.1134/S1066362219060213</doi><tpages>8</tpages></addata></record> |
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| source | Springer Nature - Complete Springer Journals |
| subjects | Buffer solutions Carbonates Cesium 137 Cesium isotopes Chemistry Chemistry and Materials Science Chemistry/Food Science Clay minerals Crystal lattices Groundwater Mathematical analysis Nuclear Chemistry Radioisotopes Reservoirs Sediments Sodium carbonate Sorption Speciation Strontium 90 |
| title | Radionuclide Sequential Extraction from Reservoir R-17 Bottom Sediments of the Mayak Production Association |
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