Zobrazeno 1 - 10
of 129
pro vyhledávání: '"H. Scatena"'
Autor:
Everlane Ferreira Moura, A. O. Wanderley Neto, H. Scatena, J.L.C. Fonseca, Tereza Neuma de Castro Dantas
Publikováno v:
Journal of Dispersion Science and Technology. 30:1046-1049
Two surfactants were synthesized by reacting hydrogen halides (hydrogen chloride and hydrogen bromide) with 1-dodecylamine. The resultant cationic surfactants, 1-dodecylammonium chloride (DDAC) and 1-dodecylammonium bromide (DDAB), were characterized
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8004f9324279e7853d15c0f56083cd41
https://doi.org/10.1080/01932690802598747
https://doi.org/10.1080/01932690802598747
Autor:
F. M. M. Borges, Dulce Maria de Araújo Melo, Hiléia K.S. Souza, E. A. Sousa, H. Scatena, Maria D. M. Paiva
Publikováno v:
Journal of Thermal Analysis and Calorimetry. 93:959-962
The reason of comparing thermal behaviour and kinetics of some nickel compounds, is justified by the influence of anion on it, besides supplying information on the stability of the salts. In this work, Ni(TMS)2·6H2O, Ni(TFA)2·3H2O and Ni(Ac)2·2H2O
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b770b5a72ea630a7d4f5c6ab60b5920d
https://doi.org/10.1007/s10973-007-8633-3
https://doi.org/10.1007/s10973-007-8633-3
Autor:
Dulce Maria de Araújo Melo, H. Scatena, F. M. M. Borges, V. R. da Silveira, A. G. Souza, Hiléia K.S. Souza, O. A. de Oliveira
Publikováno v:
Journal of Thermal Analysis and Calorimetry. 87:433-436
Thermal behavior of rare earth nitrate complexes with 2-azacyclononanone (AZA) with Ln(NO3)3·3(AZA) composition (where Ln=Gd, Er and Ho) was analyzed in kinetic point of view. Kinetic parameters were calculated from thermogravimetric data. All obtai
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::20a5280ae76f73f9ed0287ebdc0c44fe
https://doi.org/10.1007/s10973-005-6594-y
https://doi.org/10.1007/s10973-005-6594-y
Publikováno v:
Materials Science Forum. :60-63
The main goal of the present investigation is to analyze the use of Fe-NbC composites in the electrogeneration of industrial gases. The effect of the experimental parameters involved in the processing of PM composites on the performance of the result
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2b10706be8b252aaf9d58d15afc48045
https://doi.org/10.4028/www.scientific.net/msf.416-418.60
https://doi.org/10.4028/www.scientific.net/msf.416-418.60
Autor:
H. Scatena, H. K. S. de Souza, Dulce Maria de Araújo Melo, A. M. Garrido Pedrosa, F. M. M. Borges, L.B. Zinner, M. S. C. Câmara
Publikováno v:
Journal of Thermal Analysis and Calorimetry. 73:895-902
Complexes of rare earth trifluoroacetates (TFA) with 4-methylmorpholine-N-oxide (MMNO) of composition Ln(TFA)3·3MMNO (Ln=Eu, Dy, Ho, Er, Yb and Y) were synthesized and characterized by elemental analysis data, complexometric titration with EDTA, IR
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f745f78557550645d51036d428f9580d
https://doi.org/10.1023/a:1025855102951
https://doi.org/10.1023/a:1025855102951
Publikováno v:
Colloids and Surfaces A: Physicochemical and Engineering Aspects. 207:243-252
We report the synthesis of three novel anionic surfactants: sodium 12- N , N -diethylamino-9-octadecenoate (AR1S), sodium 12- N , N -diethylamino-octadecanoate (AE1S) and sodium 12- N , N -diethylamino-9,10-dihydroxy-octadecanoate (AE2S). Surface ten
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::dd9a26807029f92ee083c9f3d859a37b
https://doi.org/10.1016/s0927-7757(02)00117-6
https://doi.org/10.1016/s0927-7757(02)00117-6
Autor:
D.M Araújo Melo, Patrícia Mendonça Pimentel, L.B. Zinner, Antonio G. Souza, F. M. M. Borges, A. M. Garrido Pedrosa, H. Scatena
Publikováno v:
Journal of Thermal Analysis and Calorimetry. 67:397-402
Ln(TFA)3⋅3AZA (Ln=La, Sm, Er; TFA=trifluoroacetate and AZA=2-azacyclononanone)compounds were synthesized and characterized by microanalytical procedures, IR spectroscopy, X-ray powder diffraction, and thermal analysis. A kinetic study using La, Sm
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::6bd44d8ecfafa8dba3ec143628846119
https://doi.org/10.1023/a:1013983303200
https://doi.org/10.1023/a:1013983303200
Autor:
D.M Araújo Melo, Alasse Oliveira da Silva, H. Scatena, L.B. Zinner, F. M. M. Borges, M.F.F Pedrosa
Publikováno v:
Scopus-Elsevier
Terbium trifluoromethanesulfonate compound with hexamethylphosphoramide was synthesized and characterized. Thermogravimetric data with three heating rates were used to obtain kinetic parameters such as activation energy (Ea), reaction order (n) and p
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::193f9fe98b2e82a22c6cfdd7ef177945
https://doi.org/10.1016/s0925-8388(00)00621-6
https://doi.org/10.1016/s0925-8388(00)00621-6
Publikováno v:
Thermochimica Acta. 344:81-84
The dehydration and decomposition behavior of some rare earth complexes is analyzed under a kinetic point of view. The experimental data were obtained thermogravimetrically and the kinetic parameters are calculated by a non-linear method. The results
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::7a3c85c62d0aabae10b3c55c901b8a5b
https://doi.org/10.1016/s0040-6031(99)00330-5
https://doi.org/10.1016/s0040-6031(99)00330-5
Autor:
D.M Araújo Melo, Z. R. Silva, Francisco José Santos Lima, H. Scatena, F. M. M. Borges, W. S. C. Souza, L.B. Zinner, Valter J. Fernandes
Publikováno v:
Journal of Thermal Analysis and Calorimetry. 56:805-810
In this work, a cobalt complex with dmit (1,3-dithiol-2-thione-4,5-dithiolate) as ligand was prepared and its thermal stability was studied by thermogravimetric analysis and kinetics by means of the Zsako method and a non-linear method. For both meth
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f0d24da29a1ac1b73c73d4f451e4df18
https://doi.org/10.1023/a:1010166409235
https://doi.org/10.1023/a:1010166409235