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Enthalpy of Formation of Brazilianite: Calorimetric Data
Brazilianite Na 0.91 Al 3.03 (PO 4 ) 1.98 (OH) 4.06 (Galilea, Minas Gerais, Brazil) has been studied by thermal and electron microprobe analysis, powder X-ray diffraction, IR, Raman, and EPR spectroscopy. The EPR method has established that the peculiar feature of the studied sample is the presence...
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| Published in: | Geochemistry international 2022-11, Vol.60 (11), p.1114-1121 |
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| Main Authors: | , , , , , |
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| container_end_page | 1121 |
| container_issue | 11 |
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| container_title | Geochemistry international |
| container_volume | 60 |
| creator | Ogorodova, L. P. Gritsenko, Yu. D. Vigasina, M. F. Vyatkin, S. V. Melchakova, L. V. Ksenofontov, D. A. |
| description | Brazilianite Na
0.91
Al
3.03
(PO
4
)
1.98
(OH)
4.06
(Galilea, Minas Gerais, Brazil) has been studied by thermal and electron microprobe analysis, powder X-ray diffraction, IR, Raman, and EPR spectroscopy. The EPR method has established that the peculiar feature of the studied sample is the presence of a structural impurity of vanadium. The enthalpy of formation of brazilianite NaAl
3
(PO
4
)
2
(OH)
4
from the elements ∆
f
H
0
(298.15 K) = −5322.3 ± 5.1 kJ/mol was determined by the method of calorimetry of dissolution in a melt of lead borate 2PbO∙B
2
O
3
on a Setaram (France) Calvet microcalorimeter. The value of the absolute entropy
S
0
(298.15 K) = 303.8 ± 0.9 J/(mol K) was estimated, and the entropy of formation ∆
f
S
0
(298.15 K) = − 1407.1 ± 1.1 J/(mol K) and the Gibbs energy of formation from elements ∆
f
G
0
(298.15 K) = − 4902.8 ± 5.1 kJ/mol were calculated. |
| doi_str_mv | 10.1134/S0016702922110106 |
| format | article |
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0.91
Al
3.03
(PO
4
)
1.98
(OH)
4.06
(Galilea, Minas Gerais, Brazil) has been studied by thermal and electron microprobe analysis, powder X-ray diffraction, IR, Raman, and EPR spectroscopy. The EPR method has established that the peculiar feature of the studied sample is the presence of a structural impurity of vanadium. The enthalpy of formation of brazilianite NaAl
3
(PO
4
)
2
(OH)
4
from the elements ∆
f
H
0
(298.15 K) = −5322.3 ± 5.1 kJ/mol was determined by the method of calorimetry of dissolution in a melt of lead borate 2PbO∙B
2
O
3
on a Setaram (France) Calvet microcalorimeter. The value of the absolute entropy
S
0
(298.15 K) = 303.8 ± 0.9 J/(mol K) was estimated, and the entropy of formation ∆
f
S
0
(298.15 K) = − 1407.1 ± 1.1 J/(mol K) and the Gibbs energy of formation from elements ∆
f
G
0
(298.15 K) = − 4902.8 ± 5.1 kJ/mol were calculated.</description><identifier>ISSN: 0016-7029</identifier><identifier>EISSN: 1556-1968</identifier><identifier>DOI: 10.1134/S0016702922110106</identifier><language>eng</language><publisher>Moscow: Pleiades Publishing</publisher><subject>Analysis ; Analytical methods ; Boron oxides ; Calorimetry ; Diffraction ; Earth and Environmental Science ; Earth Sciences ; Electron microprobe ; Electron probe microanalysis ; Electron probes ; Enthalpy ; Entropy ; Entropy of formation ; Free energy ; Geochemistry ; Heat measurement ; Heat of formation ; Phosphates ; Vanadium ; X ray powder diffraction ; X-ray diffraction ; X-rays</subject><ispartof>Geochemistry international, 2022-11, Vol.60 (11), p.1114-1121</ispartof><rights>Pleiades Publishing, Ltd. 2022. ISSN 0016-7029, Geochemistry International, 2022, Vol. 60, No. 11, pp. 1114–1121. © Pleiades Publishing, Ltd., 2022. Russian Text © The Author(s), 2022, published in Geokhimiya, 2022, Vol. 67, No. 11, pp. 1101–1108.</rights><rights>COPYRIGHT 2022 Springer</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><cites>FETCH-LOGICAL-a260t-2a27f572aeb0aef46b45d66f9318186bc14447d18821385016ce8d53f68399463</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,780,784,27924,27925</link.rule.ids></links><search><creatorcontrib>Ogorodova, L. P.</creatorcontrib><creatorcontrib>Gritsenko, Yu. D.</creatorcontrib><creatorcontrib>Vigasina, M. F.</creatorcontrib><creatorcontrib>Vyatkin, S. V.</creatorcontrib><creatorcontrib>Melchakova, L. V.</creatorcontrib><creatorcontrib>Ksenofontov, D. A.</creatorcontrib><title>Enthalpy of Formation of Brazilianite: Calorimetric Data</title><title>Geochemistry international</title><addtitle>Geochem. Int</addtitle><description>Brazilianite Na
0.91
Al
3.03
(PO
4
)
1.98
(OH)
4.06
(Galilea, Minas Gerais, Brazil) has been studied by thermal and electron microprobe analysis, powder X-ray diffraction, IR, Raman, and EPR spectroscopy. The EPR method has established that the peculiar feature of the studied sample is the presence of a structural impurity of vanadium. The enthalpy of formation of brazilianite NaAl
3
(PO
4
)
2
(OH)
4
from the elements ∆
f
H
0
(298.15 K) = −5322.3 ± 5.1 kJ/mol was determined by the method of calorimetry of dissolution in a melt of lead borate 2PbO∙B
2
O
3
on a Setaram (France) Calvet microcalorimeter. The value of the absolute entropy
S
0
(298.15 K) = 303.8 ± 0.9 J/(mol K) was estimated, and the entropy of formation ∆
f
S
0
(298.15 K) = − 1407.1 ± 1.1 J/(mol K) and the Gibbs energy of formation from elements ∆
f
G
0
(298.15 K) = − 4902.8 ± 5.1 kJ/mol were calculated.</description><subject>Analysis</subject><subject>Analytical methods</subject><subject>Boron oxides</subject><subject>Calorimetry</subject><subject>Diffraction</subject><subject>Earth and Environmental Science</subject><subject>Earth Sciences</subject><subject>Electron microprobe</subject><subject>Electron probe microanalysis</subject><subject>Electron probes</subject><subject>Enthalpy</subject><subject>Entropy</subject><subject>Entropy of formation</subject><subject>Free energy</subject><subject>Geochemistry</subject><subject>Heat measurement</subject><subject>Heat of formation</subject><subject>Phosphates</subject><subject>Vanadium</subject><subject>X ray powder diffraction</subject><subject>X-ray diffraction</subject><subject>X-rays</subject><issn>0016-7029</issn><issn>1556-1968</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2022</creationdate><recordtype>article</recordtype><recordid>eNp1UE1PwzAMjRBIjMEP4DaJc0ec5qvcxtgAaRIH4Fx5bTIydc1Is8P49aQqEgeEfLBsv2c_P0KugU4Bcn77SilIRVnBGAAFKk_ICISQGRRSn5JRP876-Tm56LotpZznhRoRvWjjBzb748TbydKHHUbn2764D_jlGoeti-ZuMsfGB7czMbhq8oARL8mZxaYzVz95TN6Xi7f5U7Z6eXyez1YZMkljxpApKxRDs6ZoLJdrLmopbZGDBi3XFXDOVQ1aM8i1SCoro2uRW6nzouAyH5ObYe8--M-D6WK59YfQppMlU6ygQknJE2o6oDbYmNK11seAVYra7FzlW2Nd6s8U44xKJvq1MBCq4LsuGFvu03sYjiXQsne0_ONo4rCB0yVsuzHhV8r_pG8Qs3Ra</recordid><startdate>20221101</startdate><enddate>20221101</enddate><creator>Ogorodova, L. P.</creator><creator>Gritsenko, Yu. D.</creator><creator>Vigasina, M. F.</creator><creator>Vyatkin, S. V.</creator><creator>Melchakova, L. V.</creator><creator>Ksenofontov, D. A.</creator><general>Pleiades Publishing</general><general>Springer</general><general>Springer Nature B.V</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7QH</scope><scope>7UA</scope><scope>C1K</scope><scope>F1W</scope><scope>H96</scope><scope>L.G</scope></search><sort><creationdate>20221101</creationdate><title>Enthalpy of Formation of Brazilianite: Calorimetric Data</title><author>Ogorodova, L. P. ; Gritsenko, Yu. D. ; Vigasina, M. F. ; Vyatkin, S. V. ; Melchakova, L. V. ; Ksenofontov, D. A.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-a260t-2a27f572aeb0aef46b45d66f9318186bc14447d18821385016ce8d53f68399463</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2022</creationdate><topic>Analysis</topic><topic>Analytical methods</topic><topic>Boron oxides</topic><topic>Calorimetry</topic><topic>Diffraction</topic><topic>Earth and Environmental Science</topic><topic>Earth Sciences</topic><topic>Electron microprobe</topic><topic>Electron probe microanalysis</topic><topic>Electron probes</topic><topic>Enthalpy</topic><topic>Entropy</topic><topic>Entropy of formation</topic><topic>Free energy</topic><topic>Geochemistry</topic><topic>Heat measurement</topic><topic>Heat of formation</topic><topic>Phosphates</topic><topic>Vanadium</topic><topic>X ray powder diffraction</topic><topic>X-ray diffraction</topic><topic>X-rays</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Ogorodova, L. P.</creatorcontrib><creatorcontrib>Gritsenko, Yu. D.</creatorcontrib><creatorcontrib>Vigasina, M. F.</creatorcontrib><creatorcontrib>Vyatkin, S. V.</creatorcontrib><creatorcontrib>Melchakova, L. V.</creatorcontrib><creatorcontrib>Ksenofontov, D. A.</creatorcontrib><collection>CrossRef</collection><collection>Aqualine</collection><collection>Water Resources Abstracts</collection><collection>Environmental Sciences and Pollution Management</collection><collection>ASFA: Aquatic Sciences and Fisheries Abstracts</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) 2: Ocean Technology, Policy & Non-Living Resources</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) Professional</collection><jtitle>Geochemistry international</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Ogorodova, L. P.</au><au>Gritsenko, Yu. D.</au><au>Vigasina, M. F.</au><au>Vyatkin, S. V.</au><au>Melchakova, L. V.</au><au>Ksenofontov, D. A.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Enthalpy of Formation of Brazilianite: Calorimetric Data</atitle><jtitle>Geochemistry international</jtitle><stitle>Geochem. Int</stitle><date>2022-11-01</date><risdate>2022</risdate><volume>60</volume><issue>11</issue><spage>1114</spage><epage>1121</epage><pages>1114-1121</pages><issn>0016-7029</issn><eissn>1556-1968</eissn><abstract>Brazilianite Na
0.91
Al
3.03
(PO
4
)
1.98
(OH)
4.06
(Galilea, Minas Gerais, Brazil) has been studied by thermal and electron microprobe analysis, powder X-ray diffraction, IR, Raman, and EPR spectroscopy. The EPR method has established that the peculiar feature of the studied sample is the presence of a structural impurity of vanadium. The enthalpy of formation of brazilianite NaAl
3
(PO
4
)
2
(OH)
4
from the elements ∆
f
H
0
(298.15 K) = −5322.3 ± 5.1 kJ/mol was determined by the method of calorimetry of dissolution in a melt of lead borate 2PbO∙B
2
O
3
on a Setaram (France) Calvet microcalorimeter. The value of the absolute entropy
S
0
(298.15 K) = 303.8 ± 0.9 J/(mol K) was estimated, and the entropy of formation ∆
f
S
0
(298.15 K) = − 1407.1 ± 1.1 J/(mol K) and the Gibbs energy of formation from elements ∆
f
G
0
(298.15 K) = − 4902.8 ± 5.1 kJ/mol were calculated.</abstract><cop>Moscow</cop><pub>Pleiades Publishing</pub><doi>10.1134/S0016702922110106</doi><tpages>8</tpages></addata></record> |
| fulltext | fulltext |
| identifier | ISSN: 0016-7029 |
| ispartof | Geochemistry international, 2022-11, Vol.60 (11), p.1114-1121 |
| issn | 0016-7029 1556-1968 |
| language | eng |
| recordid | cdi_proquest_journals_2729057664 |
| source | Springer Nature |
| subjects | Analysis Analytical methods Boron oxides Calorimetry Diffraction Earth and Environmental Science Earth Sciences Electron microprobe Electron probe microanalysis Electron probes Enthalpy Entropy Entropy of formation Free energy Geochemistry Heat measurement Heat of formation Phosphates Vanadium X ray powder diffraction X-ray diffraction X-rays |
| title | Enthalpy of Formation of Brazilianite: Calorimetric Data |
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