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All Journal The Journal of Pure and Applied Chemistry Research
Rizqi Alima Fabri, Ahmad
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Chemical Engineering, Chemistry & Bioengineering Chemistry Materials Science & Nanotechnology Medicine & Pharmacology

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Hydrogenation of Alpha-pinene over Nickel Nanoparticles under Mild Condition Pressure Rizqi Alima Fabri, Ahmad; Warsito, Warsito; Ulfa, Siti Mariyah; Masruri
The Journal of Pure and Applied Chemistry Research Vol. 13 No. 3 (2024): Edition September-December 2024
Publisher : Chemistry Department, The University of Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/ub.jpacr.2024.013.03.7916

Abstract

Alpha-pinene is the main compound in turpentine oil and is widely used as a fragrance, fine chemistry, flavour, and antibacterial. Due to the presence of unsaturated double bonds in its structure, this compound’s chemical properties are relatively active. Hydrogenation is a common method for saturating compounds and nickel has shown good activity in this process as catalysts. However, it often shows reaction conditions such as high pressure. The research method added nickel chloride to a suspension mixture of NaBH4 in isopropyl alcohol until a black colloidal solution and a-pinene reagents were added. Hydrogen gas was added in different conditions, with a pressure of 2-4 atm at the temperature of 50-60 oC 24h. The result showed a nickel formed at a nanoparticle size of 34-81 nm. Furthermore, FT-IR results show a difference in intensity at wavelengths of 1600 and 3000 cm-1, indicating the formation of hydrogenation products. The GC-MS shows a new peak at a retentivity of 5.503, which characteristics show that it is identified as a pinane compound with the highest percentage of 63% at a reaction condition of 4 atm. 
Co-Authors Masruri Siti Mariyah Ulfa Warsito Warsito