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bulk metal targets: nitrogen on tungsten . Surf Sci . 1972 ; 29 : 454 10.1016/0039-6028(72)90232-4 .

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. 13. MLCP da Silva Miguel , IM GLJP da Silva 2003 Thermal characterization of hydrous tungsten

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. Knyazev , A , Maczka , M , Kuznetsova , N , Hanuza , J , Markin , A . 2009 . Thermodynamic properties of rubidium niobium tungsten oxide . J Therm Anal Calorim . 98 : 843 – 848 10.1007/s10973-009-0112-6 . 25

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using a catalyst comprising a source of chromium, molybdenum or tungsten and a ligand containing at least one phosphorous, arsenic or antimony atom bound to at least one (hetero)hydrocarbyl group: WO, 02/004119 . BP Chemicals Ltd , Saltend

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electrodes supported on a frit, embedded in a Pyrex glass tube and connected by tungsten wires, to a precision RLC bridge [ 24 ]. The catalyst (1.5 cm 3 ) powder (fraction between 0.25 and 0.5 mm) was filling the annular space between the electrodes

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: symmetrical weld arrangement, design of appropriate welding sequence, welding in the clamping device, application of pre-bending, preheating. Subsequent methods: straightening, vibration [ 13 ] heat treatment, treatment of the weld edge by Tungsten Inert Gas

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34 ] in water with hydrogen peroxide. When the fresh catalyst was treated with H 2 O 2 , the structure of the catalyst changed into active tungsten-peroxo intermediate. The active intermediate was responsible for the oxidation of alcohols to the

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, sodium phosphate dibasic anhydrous salt, tungsten (VI) oxide nanopowder 100 nm particle size, and titanium (IV) oxide nanopowder 21 nm particle size (Aeroxide® 25) were obtained from Sigma-Aldrich (St. Louis, USA). Acetonitrile (hypergrade for LC–MS) was

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Reaction Kinetics, Mechanisms and Catalysis
Authors: Mohammad Saleh Ghodrati, Mohammad Haghighi, Jafar Sadegh Soltan Mohamdzadeh, Behzad Pourabas, and Ehsan Pipelzadeh

4-chlorophenol under visible light irradiation [ 15 ]. Later on, Wingkei Ho et al. employed coupled CdSe/TiO 2 for the same treatment under the visible light emitted from a 300 W tungsten halogen lamp with a 400 nm cut off filter [ 6 ]. One

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degradation of different dyes in an aqueous solution under visible light irradiation. According to the literature test method [ 3 ], a 300-W tungsten lamp was positioned inside a cylindrical Pyrex vessel surrounded by a circulating cooling water jacket and a

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