Reaction mechanism and kinetic analysis of citrate gel-combustion synthesis of nanocrystalline urania
The reaction mechanism and the determination of kinetic parameters of the citrate gel combustion synthesis of nanocrystalline urania (U 3 O 8 ) are being studied for the first time. The gel samples were subjected to simultaneous thermogravimetry–differential thermal analysis coupled with mass spectr...
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| Veröffentlicht in: | Journal of thermal analysis and calorimetry 2018-03, Vol.131 (3), p.2467-2476 |
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| container_issue | 3 |
| container_start_page | 2467 |
| container_title | Journal of thermal analysis and calorimetry |
| container_volume | 131 |
| creator | Sanjay Kumar, D. Ananthasivan, K. Venkata Krishnan, R. Senapati, Abhiram |
| description | The reaction mechanism and the determination of kinetic parameters of the citrate gel combustion synthesis of nanocrystalline urania (U
3
O
8
) are being studied for the first time. The gel samples were subjected to simultaneous thermogravimetry–differential thermal analysis coupled with mass spectrometry to determine the reaction mechanism. The samples were also subjected to analysis by using differential scanning calorimeter to determine the kinetic parameters of the processes. It was observed that the combustion reaction took place in two steps followed by crystallization of uranium oxide to obtain nanocrystalline U
3
O
8
. The activation energy obtained (isoconversion method) for the first two steps of the reaction is 152 ± 6, 179 ± 7 kJ mol
−1
, whereas activation energy for the crystallization of urania is 166 ± 7 kJ mol
−1
(isoconversion method). |
| doi_str_mv | 10.1007/s10973-017-6695-4 |
| format | Article |
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3
O
8
) are being studied for the first time. The gel samples were subjected to simultaneous thermogravimetry–differential thermal analysis coupled with mass spectrometry to determine the reaction mechanism. The samples were also subjected to analysis by using differential scanning calorimeter to determine the kinetic parameters of the processes. It was observed that the combustion reaction took place in two steps followed by crystallization of uranium oxide to obtain nanocrystalline U
3
O
8
. The activation energy obtained (isoconversion method) for the first two steps of the reaction is 152 ± 6, 179 ± 7 kJ mol
−1
, whereas activation energy for the crystallization of urania is 166 ± 7 kJ mol
−1
(isoconversion method).</description><identifier>ISSN: 1388-6150</identifier><identifier>EISSN: 1588-2926</identifier><identifier>DOI: 10.1007/s10973-017-6695-4</identifier><language>eng</language><publisher>Dordrecht: Springer Netherlands</publisher><subject>Activation energy ; Analysis ; Analytical Chemistry ; Chemistry ; Chemistry and Materials Science ; Combustion ; Combustion synthesis ; Crystallization ; Differential scanning calorimetry ; Inorganic Chemistry ; Kinetics ; Mass spectrometry ; Measurement Science and Instrumentation ; Nanocrystals ; Nuclear energy ; Physical Chemistry ; Polymer Sciences ; Process parameters ; Reaction mechanisms ; Thermal analysis ; Thermogravimetry ; Uranium</subject><ispartof>Journal of thermal analysis and calorimetry, 2018-03, Vol.131 (3), p.2467-2476</ispartof><rights>Akadémiai Kiadó, Budapest, Hungary 2017</rights><rights>COPYRIGHT 2018 Springer</rights><rights>Copyright Springer Science & Business Media 2018</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c426t-5780c13f0b67af75f1eeb0642ef11d570f5c027c1a5501694221f0dd960eca453</citedby><cites>FETCH-LOGICAL-c426t-5780c13f0b67af75f1eeb0642ef11d570f5c027c1a5501694221f0dd960eca453</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://link.springer.com/content/pdf/10.1007/s10973-017-6695-4$$EPDF$$P50$$Gspringer$$H</linktopdf><linktohtml>$$Uhttps://link.springer.com/10.1007/s10973-017-6695-4$$EHTML$$P50$$Gspringer$$H</linktohtml><link.rule.ids>314,780,784,27924,27925,41488,42557,51319</link.rule.ids></links><search><creatorcontrib>Sanjay Kumar, D.</creatorcontrib><creatorcontrib>Ananthasivan, K.</creatorcontrib><creatorcontrib>Venkata Krishnan, R.</creatorcontrib><creatorcontrib>Senapati, Abhiram</creatorcontrib><title>Reaction mechanism and kinetic analysis of citrate gel-combustion synthesis of nanocrystalline urania</title><title>Journal of thermal analysis and calorimetry</title><addtitle>J Therm Anal Calorim</addtitle><description>The reaction mechanism and the determination of kinetic parameters of the citrate gel combustion synthesis of nanocrystalline urania (U
3
O
8
) are being studied for the first time. The gel samples were subjected to simultaneous thermogravimetry–differential thermal analysis coupled with mass spectrometry to determine the reaction mechanism. The samples were also subjected to analysis by using differential scanning calorimeter to determine the kinetic parameters of the processes. It was observed that the combustion reaction took place in two steps followed by crystallization of uranium oxide to obtain nanocrystalline U
3
O
8
. The activation energy obtained (isoconversion method) for the first two steps of the reaction is 152 ± 6, 179 ± 7 kJ mol
−1
, whereas activation energy for the crystallization of urania is 166 ± 7 kJ mol
−1
(isoconversion method).</description><subject>Activation energy</subject><subject>Analysis</subject><subject>Analytical Chemistry</subject><subject>Chemistry</subject><subject>Chemistry and Materials Science</subject><subject>Combustion</subject><subject>Combustion synthesis</subject><subject>Crystallization</subject><subject>Differential scanning calorimetry</subject><subject>Inorganic Chemistry</subject><subject>Kinetics</subject><subject>Mass spectrometry</subject><subject>Measurement Science and Instrumentation</subject><subject>Nanocrystals</subject><subject>Nuclear energy</subject><subject>Physical Chemistry</subject><subject>Polymer Sciences</subject><subject>Process parameters</subject><subject>Reaction mechanisms</subject><subject>Thermal analysis</subject><subject>Thermogravimetry</subject><subject>Uranium</subject><issn>1388-6150</issn><issn>1588-2926</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2018</creationdate><recordtype>article</recordtype><recordid>eNp1kU9L5TAUxcswwjjqB5hdYVazqN6bNkm7FBn_gCDouA556c0zTps4SQq-bz_RCuJCssgh_M7h3pyq-oFwjADyJCEMsm0AZSPEwJvuS7WPvO8bNjDxtei2aIEcvlXfU3oEgGEA3K_olrTJLvh6JvOgvUtzrf1Y_3WesjNF62mXXKqDrY3LUWeqtzQ1JsybJb0a087nB3pjvPbBxF3KeppKRL3EkqkPqz2rp0RHb_dBdX_--8_ZZXN9c3F1dnrdmI6J3HDZg8HWwkZIbSW3SLQB0TGyiCOXYLkBJg1qzgHF0DGGFsZxEEBGd7w9qH6uuU8x_FsoZfUYllhWSIqVX-r6tmNDoY5XaqsnUs7bUPYy5Yw0OxM8WVfeTznrBTKUohh-fTAUJtNz3uolJXV1d_uRxZU1MaQUyaqn6GYddwpBvVSl1qpUqUq9VKW64mGrJxXWbym-j_256T95SpZ0</recordid><startdate>20180301</startdate><enddate>20180301</enddate><creator>Sanjay Kumar, D.</creator><creator>Ananthasivan, K.</creator><creator>Venkata Krishnan, R.</creator><creator>Senapati, Abhiram</creator><general>Springer Netherlands</general><general>Springer</general><general>Springer Nature B.V</general><scope>AAYXX</scope><scope>CITATION</scope><scope>ISR</scope></search><sort><creationdate>20180301</creationdate><title>Reaction mechanism and kinetic analysis of citrate gel-combustion synthesis of nanocrystalline urania</title><author>Sanjay Kumar, D. ; Ananthasivan, K. ; Venkata Krishnan, R. ; Senapati, Abhiram</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c426t-5780c13f0b67af75f1eeb0642ef11d570f5c027c1a5501694221f0dd960eca453</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2018</creationdate><topic>Activation energy</topic><topic>Analysis</topic><topic>Analytical Chemistry</topic><topic>Chemistry</topic><topic>Chemistry and Materials Science</topic><topic>Combustion</topic><topic>Combustion synthesis</topic><topic>Crystallization</topic><topic>Differential scanning calorimetry</topic><topic>Inorganic Chemistry</topic><topic>Kinetics</topic><topic>Mass spectrometry</topic><topic>Measurement Science and Instrumentation</topic><topic>Nanocrystals</topic><topic>Nuclear energy</topic><topic>Physical Chemistry</topic><topic>Polymer Sciences</topic><topic>Process parameters</topic><topic>Reaction mechanisms</topic><topic>Thermal analysis</topic><topic>Thermogravimetry</topic><topic>Uranium</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Sanjay Kumar, D.</creatorcontrib><creatorcontrib>Ananthasivan, K.</creatorcontrib><creatorcontrib>Venkata Krishnan, R.</creatorcontrib><creatorcontrib>Senapati, Abhiram</creatorcontrib><collection>CrossRef</collection><collection>Science (Gale in Context)</collection><jtitle>Journal of thermal analysis and calorimetry</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Sanjay Kumar, D.</au><au>Ananthasivan, K.</au><au>Venkata Krishnan, R.</au><au>Senapati, Abhiram</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Reaction mechanism and kinetic analysis of citrate gel-combustion synthesis of nanocrystalline urania</atitle><jtitle>Journal of thermal analysis and calorimetry</jtitle><stitle>J Therm Anal Calorim</stitle><date>2018-03-01</date><risdate>2018</risdate><volume>131</volume><issue>3</issue><spage>2467</spage><epage>2476</epage><pages>2467-2476</pages><issn>1388-6150</issn><eissn>1588-2926</eissn><abstract>The reaction mechanism and the determination of kinetic parameters of the citrate gel combustion synthesis of nanocrystalline urania (U
3
O
8
) are being studied for the first time. The gel samples were subjected to simultaneous thermogravimetry–differential thermal analysis coupled with mass spectrometry to determine the reaction mechanism. The samples were also subjected to analysis by using differential scanning calorimeter to determine the kinetic parameters of the processes. It was observed that the combustion reaction took place in two steps followed by crystallization of uranium oxide to obtain nanocrystalline U
3
O
8
. The activation energy obtained (isoconversion method) for the first two steps of the reaction is 152 ± 6, 179 ± 7 kJ mol
−1
, whereas activation energy for the crystallization of urania is 166 ± 7 kJ mol
−1
(isoconversion method).</abstract><cop>Dordrecht</cop><pub>Springer Netherlands</pub><doi>10.1007/s10973-017-6695-4</doi><tpages>10</tpages></addata></record> |
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| identifier | ISSN: 1388-6150 |
| ispartof | Journal of thermal analysis and calorimetry, 2018-03, Vol.131 (3), p.2467-2476 |
| issn | 1388-6150 1588-2926 |
| language | eng |
| recordid | cdi_proquest_journals_2007483429 |
| source | SpringerLink Journals - AutoHoldings |
| subjects | Activation energy Analysis Analytical Chemistry Chemistry Chemistry and Materials Science Combustion Combustion synthesis Crystallization Differential scanning calorimetry Inorganic Chemistry Kinetics Mass spectrometry Measurement Science and Instrumentation Nanocrystals Nuclear energy Physical Chemistry Polymer Sciences Process parameters Reaction mechanisms Thermal analysis Thermogravimetry Uranium |
| title | Reaction mechanism and kinetic analysis of citrate gel-combustion synthesis of nanocrystalline urania |
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