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Flow injection solid phase extraction electrothermal atomic absorption spectrometry for the determination of Cr(VI) by selective separation and preconcentration on a lab-made hybrid mesoporous solid microcolumn
(Pergamon-Elsevier Science Ltd, 2009-06)
A lab-made hybrid mesoporous solid was employed in a flow injection solid phase extraction electrothermal atomic absorption spectrometric (FI-SPE-ETAAS) system for the selective retention of Cr(VI). The solid was prepared ...
Quantificação de partículas em área de descarga de grãos de uma cooperativa agroindustrial
(Universidade Estadual de MaringáBrasilPrograma de Pós-Graduação em Engenharia QuímicaUEMMaringá, PRDepartamento de Engenharia Química, 2018)
Estudos de absorção e emissão de UV/Vis em xerogéis de sílica dopados com cromo obtidos por processo Sol-Gel
(Universidade Estadual Paulista (UNESP), 2014)
Tumor necrosis factor alpha -238 G/A and -308 G/A polymorphisms and soluble TNF-? levels in chronic kidney disease: Correlation with clinical variables
(2014)
A high capacity hybrid silica adsorbent was synthesized via sol-gel processing with sulphonic acid groups as trivalent chromium complex ions chelators from aqueous solutions. The synthesis included co-condensation of ...
Evaluación de un filtro con biomasa (cascara de limón mandarina) para remoción de cromo III presente en solución acuosa.
(2015-07-17)
Los cuerpos hídricos y el suelo son afectados como resultado de los vertimientos de aguas residuales provenientes de las diversas actividades antrópicas. Entre estas se encuentran las industrias minera y agroindustrial ...
Influencia de la composición de la matriz de un concreto en la refractariedad dentro del sistema Al2O3-SiO2-CaO
(Universidad Michoacana de San Nicolás de Hidalgo, 2007-08)
During the last three decades the CaO content in concrete Traditional refractory castable was up 20%. This generated large disadvantages to reduce the refractory properties of materials industry due to its high content of ...