نتایج جستجو برای: sorptive
تعداد نتایج: 519 فیلتر نتایج به سال:
Silica-Enoxil nanobiocomposites with 13 %w of Enoxil were prepared either by mechanical mixing of corresponding powders or by sorptive modification of fumed silica powder with aqueous Enoxil solution under fluidized bed conditions. The interaction of fumed silica with Enoxil and the properties of silica-Enoxil composites have been investigated using IR spectroscopy, thermogravimetric analysis, ...
Determination of benzophenones (BPs) in human urine samples by stir bar sorptive extraction (SBSE) and thermal desorption (TD)-gas chromatography-mass spectrometry (GC-MS) is described. As analytes, BP, its metabolites benzhydrol (BP-OH) and 2-hydroxybenzophenone (2OH-BP), and its derivatives 2-hydroxy-4-methoxybenzophenone (BP-3) and 2-hydroxy-4-methoxy-4'-methylbenzophenone (BP-10) were selec...
Because of their high specific surface area, optimum rheological characteristics and/or excellent sorptive capacity, certain clay minerals such as kaolinite, talc, montmorillonite, saponite, hectorite, palygorskite and sepiolite are extensively used in the formulation of various pharmaceutical and cosmetic products. Whether as active ingredients or as ideal excipients, these minerals must compl...
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