Adsorption study of the surfactant in inorganics matrices

Pereira Paulo Henrique Fernandes; Silva Maria Lucia C. P. da; Universidade de S?o Paulo Lorena Brasil

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Adsorption study of the surfactant in inorganics matrices

机译：表面活性剂在无机基质中的吸附研究

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This work describes the study the adsorption of a cationic surfactant, cetyl trimethyl ammonium bromide (CTAB) in the hydrous niobium phosphate matrix. The matrix was characterized by powder X-ray diffraction (DRX), thermal analysis (TG), differential scanning calorimetry (DSC), scanning electron microscopy (SEM) and surface area measurements (BET). The Langmuir and Freundlich isothermal models were used in the CTAB adsorption study. The adsorption process wasn`t favorable for the NbOPO4.nH2O in both studied models.

机译：这项工作描述了在含水磷酸铌基质中阳离子表面活性剂十六烷基三甲基溴化铵（CTAB）的吸附研究。通过粉末X射线衍射（DRX），热分析（TG），差示扫描量热法（DSC），扫描电子显微镜（SEM）和表面积测量（BET）对基质进行表征。朗格缪尔和Freundlich等温模型用于CTAB吸附研究。在两个研究模型中，吸附过程对NbOPO4.nH2O均不利。

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《Quimica nova》 |2009年第1期|共页
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Pereira Paulo Henrique Fernandes; Silva Maria Lucia C. P. da; Universidade de S?o Paulo Lorena Brasil;
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Adsorption study of the surfactant in inorganics matrices

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