期刊
COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS
卷 341, 期 1-3, 页码 53-59出版社
ELSEVIER
DOI: 10.1016/j.colsurfa.2009.03.038
关键词
Heteropolycompounds; Phosphorus-tungstic heteropolyacid; Microwave treatment; Mechanochemical treatment
Possibility of chemical linking of tungsten heteropolycompounds (HPC) of 12th row with activated silica surface has been studied. From the analysis of IR- and X-rayfluorescent spectroscopy data as well as differential thermal analysis of the samples. it was found that phosphorus-tungstic heteropolyacid reacts chemically with amine groups previously immobilized on the Silica Surface. Thermal stability, acidity, ammonia adsorption and other physiochemical properties of grafted heteropolycompounds have been also investigated. (C) 2009 Elsevier B.V. All rights reserved.
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