The hybrid material is composed of calcium carbonate microparticles with the polyelectrolyte additive and silver nanoparticles (nAg) embedded in its structure. The process of making of the hybrid material comprises of ultrasound-assisted coprecipitation of calcium carbonate in aqueous medium in the .....
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The subject of the invention is a hybrid photocatalyst which is a layered aluminosilicate, possibly organically modified, containing compounds introduced into the aluminosilicate galleries bearing groups such as porphyrin, rose bengal, anthracene, pyrene, perylene, tetracene, rubrene, naphthalene, p.....
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Magnetic ink pad system, guide stand
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The invention provides a ferrite catalyst for synthesis of styrene, comprising potassium ferrite at the level of 80-99.97% and additives selected from the group comprising MgO, Al2O3, TiO2, Cr2O3, MnO2, CuO, ZrO2, CeO2, individually or as a mixture, at the level of 0,03-20% by weight. The catalyst c.....
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The present invention relates to a nanocrystalline photocatalyst active upon visible light irradiation, with a high degree of dispersion, stable in the form of a transparent colloidal solution in an aqueous environment, containing nanocrystals of titanium dioxide (TiO2) surface-modified via direct c.....
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