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Al2O3-based pigments synthesized by a new proteic sol–gel method

Silva, Ronaldo S. ; Macedo, Zélia S.

Journal of thermal analysis and calorimetry, 2011-02, Vol.103 (2), p.587-590 [Revista revisada por pares]

Dordrecht: Springer Netherlands

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Título:
Al2O3-based pigments synthesized by a new proteic sol–gel method
Autor: Silva, Ronaldo S. ; Macedo, Zélia S.
Materias: Agglomeration ; Analytical Chemistry ; Applied sciences ; Chemical industry and chemicals ; Chemistry ; Chemistry and Materials Science ; Chromophores ; Differential thermal analysis ; Dyes, pigments ; Exact sciences and technology ; Grain size ; Illumination ; Industrial chemicals ; Inorganic Chemistry ; Measurement Science and Instrumentation ; Norms ; Physical Chemistry ; Pigments ; Polymer Sciences ; Precursors ; Sol-gel processes
Es parte de: Journal of thermal analysis and calorimetry, 2011-02, Vol.103 (2), p.587-590
Notas: ObjectType-Article-1
SourceType-Scholarly Journals-1
ObjectType-Feature-2
content type line 23
Descripción: Alumina-based pigments were synthesized by the proteic sol–gel method. In this method, coconut water is employed as polymeric agent instead of the conventional alkoxide precursors. To this study, three common chromophore metallic ions (Mn 3+ , Co 3+ , and Cr 3+ ) were chosen in order to verify the method efficiency. Differential thermal analysis (DTA), thermogravimetry (TG), and XRD techniques were used to characterize the synthesis process. The colorimetric characterization of the produced pigments was done according to the CIE-L*a*b* 1976 norm which is recommended by the CIE (International Commission on Illumination). The synthesized pigments presented intense and uniform colors in accordance to the literature results for each chromophore ion. The produced pigments also presented agglomerated with an average grain size of 180 nm when calcined at 800 °C.
Editor: Dordrecht: Springer Netherlands
Idioma: Inglés

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Al2O3-based pigments synthesized by a new proteic sol–gel method

Silva, Ronaldo S. ; Macedo, Zélia S.

Dordrecht: Springer Netherlands

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