Chemistry is traditionally divided into organic and inorganic chemistry. The former is the study of compounds containing at least one carbon-hydrogen bonds. 62936-56-5, Name is Sodium 4-(nicotinamido)butanoate, molecular formula is C10H11N2NaO3, belongs to pyridine-derivatives compound, is a common compound. In a patnet, author is Marcos, Francielle C. F., once mentioned the new application about 62936-56-5, Formula: https://www.ambeed.com/products/62936-56-5.html.
Surface interaction of CO2/H-2 mixture on mesoporous ZrO2: Effect of crystalline polymorph phases
A mesoporous zirconia (ZrO2) series was synthesized by reflux and hydrothermal methods using Pluronic (P-123) as a surfactant. Characterizations by XPD showed that the ZrO2 prepared via reflux consisted of only tetragonal crystalline phase when compared with that obtained by hydrothermal treatment, which was formed by tetragonal and monoclinic phases. The addition of the surfactant had a positive influence on the specific surface area and mesoporous structure ordering of ZrO2, regardless of the method of synthesis. The surface interaction of H-2/CO2 mixture with the ZrO2 samples exhibited some dissimilarity due to the unlike surface acidic-basic features of the tetragonal and monoclinic phases. In-situ DRIFTS experiments revealed that the species adsorbed on the zirconia prepared by the reflux method were bidentate bicarbonate, ionic bicarbonate, bidentate carbonate, and polydentate carbonate, whereas the adsorption on the zirconia prepared by refluxing method led to increased intensity of the broadband characteristic of bidentate carbonate and the appearance of two new bands typical of bidentate carbonate and bidentate bicarbonate. After subsequent switching off CO2, it was observed that the carbonate species (1550 cm(-1)) strongly interacted with the zirconia surface and required high energy amount to be desorbed, which was in good agreement with the CO2-TPD profile. This suggests that these carbonates are not active species when the reaction is carried out at 200 degrees C.
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Reference:
Pyridine – Wikipedia,
,Pyridine | C5H5N – PubChem