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Updated: Jun 20, 2026

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Synthesis of Metal Nanoparticles Supported on Carbon Nanotube with Doped Co and N Atoms and its Catalytic Applications in Hydrogen Production
Published on: December 6, 2021
Highly ordered mesoporous carbon nitride nanoparticles with high nitrogen content: a metal-free basic catalyst
Xin Jin1, Veerappan V Balasubramanian, Sakthivel T Selvan
1ARC Center for Functional Nanomaterials, University of Queensland, Queensland 4072, Australia.
Angewandte Chemie (International Ed. in English)
|September 10, 2009
Summary
No abstract available in PubMed .
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Catalysis
The presence of a catalyst affects the rate of a chemical reaction. A catalyst is a substance that can increase the reaction rate without being consumed during the process. A basic comprehension of a catalysts’ role during chemical reactions can be understood from the concept of reaction mechanisms and energy diagrams.
2° Amines to N-Nitrosamines: Reaction with NaNO2
Secondary amines react with nitrous acid to form N-nitrosamines, as depicted in Figure 1. Nitrous acid, a weak and unstable acid, is formed in situ from an aqueous solution of sodium nitrite and strong acids, such as hydrochloric acid or sulfuric acid, in cold conditions. In the presence of an acid, the nitrous acid gets protonated. The subsequent loss of water results in the formation of the electrophile known as nitrosonium ion.

