Humic Acids Pyrolyzed onto Silica Microparticles for Solid-Phase Extraction of Benzotriazoles and Benzothiazoles from Environmental Waters
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DOI: 10.1007/s10337-019-03699-9
Abstract: This work focuses on the extraction and determination of contaminants of environmental concern belonging to the classes of benzotriazoles and benzothiazoles from tap and raw river water samples. The sorbent, recently proposed by this research… read more here.
Keywords: extraction; humic acids; onto silica; acids pyrolyzed ... See more keywords
Physicochemical and photocatalytic properties of tin dioxide supported onto silica gel
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DOI: 10.1007/s10973-019-08896-0
Abstract: The samples containing 1–10% tin dioxide supported onto silica gel have been synthesized via precipitation or thermolysis of tin tetrachloride. The prepared samples have been characterized using DTA–TG, XRD, Raman and UV–Vis spectroscopy, TPD of… read more here.
Keywords: onto silica; tin dioxide; dioxide supported; supported onto ... See more keywords
Effects of charge on the photophysicochemical properties of zinc phthalocyanine derivatives doped onto silica nanoparticles
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DOI: 10.1016/j.poly.2017.09.003
Abstract: Abstract Herein we report on the photophysicochemical properties of neutral, positively and negatively charged metallophthalocyanines (MPcs) when doped onto silica nanoparticles. The MPcs are: unsubstituted ZnPc (complex 1, neutral), Zn tetraaminophenoxy phthalocyanine (ZnTAPhPc, complex 2,… read more here.
Keywords: doped onto; onto silica; charge photophysicochemical; silica nanoparticles ... See more keywords
Immobilization of helical poly(phenylacetylene)s having L-phenylalanine ethyl ester pendants onto silica gel as chiral stationary phases for HPLC
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DOI: 10.1016/j.polymer.2017.10.018
Abstract: Abstract Novel one-handed helical copoly(phenylacetylene)s bearing a small amount of 3-(triethoxysilyl)propyl residues (CPAs 1–4) were synthesized, and efficiently chemically immobilized onto silica gel by the intermolecular polycondensation of the triethoxysilyl groups. Their chiral recognition abilities… read more here.
Keywords: immobilization; onto silica; type csps; csps ... See more keywords