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Brazilian Journal of Thermal Analysis最新文献

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Efeito da adição de BaO nas propriedades térmicas e estruturais do sistema vítreo TeO2-Li2O-BaO BaO的加入对TeO2-Li2O-BaO玻璃体系热性能和结构性能的影响
Brazilian Journal of Thermal Analysis Pub Date : 2017-12-15 DOI: 10.18362/BJTA.V6.I4.24
Anderson Gonçalves, Aloisi Somer, João Gomes Junior, Jaqueline V. Gunha, G. K. Cruz, Andressa Novatski
{"title":"Efeito da adição de BaO nas propriedades térmicas e estruturais do sistema vítreo TeO2-Li2O-BaO","authors":"Anderson Gonçalves, Aloisi Somer, João Gomes Junior, Jaqueline V. Gunha, G. K. Cruz, Andressa Novatski","doi":"10.18362/BJTA.V6.I4.24","DOIUrl":"https://doi.org/10.18362/BJTA.V6.I4.24","url":null,"abstract":"","PeriodicalId":9282,"journal":{"name":"Brazilian Journal of Thermal Analysis","volume":"41 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2017-12-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"86731735","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Synthesis, Characterization and Thermoanalytical Studies of Neodymium Norfloxacinate 诺氟沙星酸钕的合成、表征及热分析研究
Brazilian Journal of Thermal Analysis Pub Date : 2017-09-15 DOI: 10.18362/bjta.v6.i3.19
Rafael de Godoi Machado, P. O. Ferreira, C. Gaglieri, F. Caires
{"title":"Synthesis, Characterization and Thermoanalytical Studies of Neodymium Norfloxacinate","authors":"Rafael de Godoi Machado, P. O. Ferreira, C. Gaglieri, F. Caires","doi":"10.18362/bjta.v6.i3.19","DOIUrl":"https://doi.org/10.18362/bjta.v6.i3.19","url":null,"abstract":": The neodymium complex with the ligand norfloxacin was synthesized in the solid state. Characterization and thermal behavior of the compounds were performed employing X-ray diffractometry (XRD), Fourier transform infrared spectroscopy (FTIR) and Simultaneous Thermogravimetry/Derivate Thermogravimetric-Differential Thermal Analysis (TG/DTG-DTA). From the TG/DTG-DTA curves, it was possible to determine the minimum formula ([Nd(Nor)3]6H2O), thermal stability and thermal decomposition steps. XRD showed that the complex was obtained with low crystallinity and analysis of the main bands of the IR spectrum it was possible to suggest the probable sites of coordination of the ligand to the neodymium ion.","PeriodicalId":9282,"journal":{"name":"Brazilian Journal of Thermal Analysis","volume":"68 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2017-09-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"84938323","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Estudo Termoanalítico e Espectroscópico de Norfloxacino-Excipientes 诺氟沙星辅料的热分析和光谱研究
Brazilian Journal of Thermal Analysis Pub Date : 2017-09-15 DOI: 10.18362/bjta.v6.i3.17
C. D. S. Brito, B. Costa, M. I. G. Leles
{"title":"Estudo Termoanalítico e Espectroscópico de Norfloxacino-Excipientes","authors":"C. D. S. Brito, B. Costa, M. I. G. Leles","doi":"10.18362/bjta.v6.i3.17","DOIUrl":"https://doi.org/10.18362/bjta.v6.i3.17","url":null,"abstract":"","PeriodicalId":9282,"journal":{"name":"Brazilian Journal of Thermal Analysis","volume":"5 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2017-09-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"84978529","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Avaliação da Estabilidade Térmica da Hidroquinona em Emulsões Faramcêuticas 对苯二酚在制药乳液中的热稳定性评价
Brazilian Journal of Thermal Analysis Pub Date : 2017-09-15 DOI: 10.18362/bjta.v6.i3.18
N. C. F. Stofella, L. J. Oliveira, Andressa Veiga, Mariana Mengarda, A. E. Hamasaki, M. B. Ferreira, Itamar Francisco Andreazza, M. Sato, M. A. S. Filho, Fábio S. Murakami
{"title":"Avaliação da Estabilidade Térmica da Hidroquinona em Emulsões Faramcêuticas","authors":"N. C. F. Stofella, L. J. Oliveira, Andressa Veiga, Mariana Mengarda, A. E. Hamasaki, M. B. Ferreira, Itamar Francisco Andreazza, M. Sato, M. A. S. Filho, Fábio S. Murakami","doi":"10.18362/bjta.v6.i3.18","DOIUrl":"https://doi.org/10.18362/bjta.v6.i3.18","url":null,"abstract":"","PeriodicalId":9282,"journal":{"name":"Brazilian Journal of Thermal Analysis","volume":"98 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2017-09-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"76126413","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
ANALYSIS OF THERMO-OXIDATIVE STABILITY OF LUBRICANT OIL CONTAMINATED WITH BIODIESEL 生物柴油污染润滑油热氧化稳定性分析
Brazilian Journal of Thermal Analysis Pub Date : 2017-09-15 DOI: 10.18362/BJTA.V6.I3.16
T. F. Oliveira, M. Campello, J. Dweck
{"title":"ANALYSIS OF THERMO-OXIDATIVE STABILITY OF LUBRICANT OIL CONTAMINATED WITH BIODIESEL","authors":"T. F. Oliveira, M. Campello, J. Dweck","doi":"10.18362/BJTA.V6.I3.16","DOIUrl":"https://doi.org/10.18362/BJTA.V6.I3.16","url":null,"abstract":"","PeriodicalId":9282,"journal":{"name":"Brazilian Journal of Thermal Analysis","volume":"12 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2017-09-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"80125939","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
The Thermal Decomposition of Hydrated ZrOCl2 Revisited 水合ZrOCl2的热分解研究
Brazilian Journal of Thermal Analysis Pub Date : 2017-09-15 DOI: 10.18362/BJTA.V6.I3.20
G. J. Puts
{"title":"The Thermal Decomposition of Hydrated ZrOCl2 Revisited","authors":"G. J. Puts","doi":"10.18362/BJTA.V6.I3.20","DOIUrl":"https://doi.org/10.18362/BJTA.V6.I3.20","url":null,"abstract":"","PeriodicalId":9282,"journal":{"name":"Brazilian Journal of Thermal Analysis","volume":"60 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2017-09-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"78662999","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
CATALYTIC DEGRADATION OF HIGH DENSITY POLYETHYLENE OVER NANOSTRUCTURED MATERIAL EVALUATED BY TG 用热重法评价纳米结构材料对高密度聚乙烯的催化降解
Brazilian Journal of Thermal Analysis Pub Date : 2017-06-15 DOI: 10.18362/BJTA.V6.I2.13
S. A. Araújo, A.G.D. Santos, A. S. Araújo, N. S. Fernandes
{"title":"CATALYTIC DEGRADATION OF HIGH DENSITY POLYETHYLENE OVER NANOSTRUCTURED MATERIAL EVALUATED BY TG","authors":"S. A. Araújo, A.G.D. Santos, A. S. Araújo, N. S. Fernandes","doi":"10.18362/BJTA.V6.I2.13","DOIUrl":"https://doi.org/10.18362/BJTA.V6.I2.13","url":null,"abstract":"The aim of the current work was evaluate the process of catalytic degradation of High Density PolyEthylene (HDPE) using AlMCM-41 nanostructured catalyst. This study was carried out by thermogravimetry and pyrolysis coupled to gas chromatography. The AlMCM-41 material was synthesized from an hydrogel containing cethyltrimethylammonium bromide (CTMABr) as template, pseudobohemite, fumed silica, sodium silicate and distilled water as solvent. These reactants were mixed in order to obtain a gel with the following composition: 1CTMABr:4SiO2:0.04 Al2O3:1Na2O:200H2O. The kinetic relative to the process of HDPE degradation was evaluated using Flynn-Wall model, in order to verify the influence of the AlMCM-41 material on the process. Clear differences were observed in the thermogravimetry behavior of the samples. Results obtained shown a remarkable effect of the catalyst in the acceleration of the degradation processes. The kinetic parameters obtained revealed a reduction in the activation energy of the catalytic decomposition as compared to the thermal process.","PeriodicalId":9282,"journal":{"name":"Brazilian Journal of Thermal Analysis","volume":"17 1","pages":"13-18"},"PeriodicalIF":0.0,"publicationDate":"2017-06-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"79436483","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
SÍNTESE, CARACTERIZAÇÃO E ESTUDO TERMOANALÍTICO DOS ISOFTALATOS DE Mg (II), Ca (II), Sr (II), Ba (II) Mg (II)、Ca (II)、Sr (II)、Ba (II)等邻苯二甲酸酯的合成、表征及热分析研究
Brazilian Journal of Thermal Analysis Pub Date : 2017-06-15 DOI: 10.18362/BJTA.V6.I2.14
Felipe Patrese R. Silva, Beatriz França Viana, J. Santos, Wilham Donizette Nunes, J. A. Teixeira, E. Ionashiro
{"title":"SÍNTESE, CARACTERIZAÇÃO E ESTUDO TERMOANALÍTICO DOS ISOFTALATOS DE Mg (II), Ca (II), Sr (II), Ba (II)","authors":"Felipe Patrese R. Silva, Beatriz França Viana, J. Santos, Wilham Donizette Nunes, J. A. Teixeira, E. Ionashiro","doi":"10.18362/BJTA.V6.I2.14","DOIUrl":"https://doi.org/10.18362/BJTA.V6.I2.14","url":null,"abstract":"","PeriodicalId":9282,"journal":{"name":"Brazilian Journal of Thermal Analysis","volume":"7 1","pages":"19-27"},"PeriodicalIF":0.0,"publicationDate":"2017-06-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"88897387","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
COMPORTAMENTO TÉRMICO DE 4-AMINOBENZENOSSULFONATOS DE ALGUNS METAIS DE TRANSIÇÃO BIVALEN 一些过渡金属双价的4-氨基苯磺酸盐的热行为
Brazilian Journal of Thermal Analysis Pub Date : 2017-06-15 DOI: 10.18362/BJTA.V6.I2.15
Pamela Geraldo Hiacuna, Ronaldo Spezia Nunes, J. Luiz
{"title":"COMPORTAMENTO TÉRMICO DE 4-AMINOBENZENOSSULFONATOS DE ALGUNS METAIS DE TRANSIÇÃO BIVALEN","authors":"Pamela Geraldo Hiacuna, Ronaldo Spezia Nunes, J. Luiz","doi":"10.18362/BJTA.V6.I2.15","DOIUrl":"https://doi.org/10.18362/BJTA.V6.I2.15","url":null,"abstract":"","PeriodicalId":9282,"journal":{"name":"Brazilian Journal of Thermal Analysis","volume":"4 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2017-06-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"88836094","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Recristalização do inositol pelo método por saturação de vapor com diferentes solventes: Estudo térmico, cristalográfico e morfológico 不同溶剂气饱和法肌醇再结晶:热、晶体学和形态学研究
Brazilian Journal of Thermal Analysis Pub Date : 2017-06-15 DOI: 10.18362/BJTA.V6.I2.11
Rafael Turra Alarcon, B. Holanda, Caroline Gaglieri, M. D. Almeida, Gilbert Bannach
{"title":"Recristalização do inositol pelo método por saturação de vapor com diferentes solventes: Estudo térmico, cristalográfico e morfológico","authors":"Rafael Turra Alarcon, B. Holanda, Caroline Gaglieri, M. D. Almeida, Gilbert Bannach","doi":"10.18362/BJTA.V6.I2.11","DOIUrl":"https://doi.org/10.18362/BJTA.V6.I2.11","url":null,"abstract":"","PeriodicalId":9282,"journal":{"name":"Brazilian Journal of Thermal Analysis","volume":"12 1","pages":"1-7"},"PeriodicalIF":0.0,"publicationDate":"2017-06-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"82089521","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
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