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improve [ 18 ], [ 20 ]. According to the literature there is no research that examined the effect of using Tungsten oxide WO 3 /Syltherm 800 nanofluid as a heating fluid flow inside the receiver of PTC. So this article aimed at examining the ability of

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at the reflectance–absorbance wavelength of 276 nm using a tungsten lamp. The scanning speed was 20 mm/s, and the data resolution was a 50 μm/step. Refining original sample using silica gel column chromatography

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Acta Chromatographica
Authors: Shaoshi Wen, Zixin Zhang, Xiaopeng Chen, Jinchang Liu, Haiyang Yu, Lifeng Han, Lijun Jin, Yi Zhang, and Tao Wang

precipitate serum proteins at room temperature for 10 min. Then, the mixture was centrifuged for 5 min at 3000 g under 4 °C and the supernatant was added to 100 μL phospho-tungstic acid solution to format tungsten blue by UA. The absorbance was measured at OD

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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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Central European Geology
Authors: Máté Zsigmond Leskó, Richárd Zoltán Papp, Boglárka Anna Topa, Ferenc Kristály, Tamás Vigh, and Norbert Zajzon

 g homogenized bulk sample. The homogenized mixture was pressed with a 25-ton pneumatic press (Vaneox, Bedburg-Hau, Germany). For the XRF and bulk XRPD, the samples were crushed: first 6 g bulk sample was crushed in a tungsten carbide breaking

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