WebApr 5, 2024 · The iridium boride (IrB) is synthesized from a mixture of Ir (99.9%, metal basis, Alfa Aesar, − 325 mesh) and B (> 98%, crystalline, Alfa Aesar, − 400 mesh) in a 1:0.9 molar ratio. The synthesis steps are similar to RuB, except in this case the reaction temperature is … WebOct 15, 2015 · The purity of Al was 99.999 wt.%, of Pt 99.5 wt.% and of Ir 99.9 wt.%. Additional alloys of intermediate compositions were also produced by levitation induction melting from mixtures of the residuals of the previously studied ternary and binary samples. ... With some addition of Ir the transformation of the β-phase by cooling alternatively ...
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WebJul 5, 2024 · The enthalpy of formation of Pt-X (Ir/Au) obtained by ab initio calculations at −273 °C and the standard enthalpy of formation calculated by CALPHAD at 25 °C are presented for comparison. WebMar 10, 2024 · The reaction of ethanol with surface OH groups on ZrO2, CuO/ZrO2, CuO, Al2O3, Ga2O3, NiO, and SiO2 was studied by IR spectroscopy. The basicity of oxides was followed by CO2 adsorption, and their ability to oxidize was investigated by H2-TPR. It has been found that ethanol reacts with surface OH groups forming ethoxy groups and water. … clooney george new movie
WO2024037989A1 - Separator for nonaqueous secondary battery, …
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