an adsorption process in which an adsorbate is held on the surface of an adsorbent by chemical bonds
chemisorption in American English
(ˌkeməˈsɔrpʃən, -ˈzɔrp-)
noun
Chemistry
adsorption involving a chemical linkage between the adsorbent and the adsorbate
Word origin
[1930–35; chemi- + (ad)sorption]This word is first recorded in the period 1930–35. Other words that entered Englishat around the same time include: cloverleaf, hypercorrection, saddle stitch, uncertainty principle, video
Examples of 'chemisorption' in a sentence
chemisorption
The rate limiting step in the sorption process was chemisorption, based on the kinetic data.
Mehdi Qasemi, Mojtaba Afsharnia, Ahmad Zarei, Ali Asghar Najafpoor, Samira Salari,Mahmoud Shams 2018, 'Phenol removal from aqueous solution using Citrullus colocynthis waste ash', Data in Briefhttp://www.sciencedirect.com/science/article/pii/S2352340918302543. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
The initial process of adsorption layer formation due to chemisorption mechanism.
A. N. Chebotarev, E. M. Guzenko, D. O. Barbalat, D. V. Snigur 2018, 'MODIFICATION OF THE ORGANO-POLYMERIC ANIONITES SURFACE WITH XYLENOL ORANGE BY SORPTION',Vìsnik Odesʹkogo Nacìonalʹnogo Unìversitetu: Hìmìâhttp://heraldchem.onu.edu.ua/article/view/147814. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
These results indicated that the sorption mechanism was chemisorption on a heterogeneous material.
María Aranzazú López-Leal,, Raúl Cortés-Martínez,, Ruth Alfaro-Cuevas-Villanueva,,Héctor Eduardo Martínez-Flores, , Consuelo De Jesús Cortés-Penagos 2012, 'ARSENATE BIOSORPTION BY IRON-MODIFIED PINE SAWDUST IN BATCH SYSTEMS: KINETICS ANDEQUILIBRIUM STUDIES', BioResourceshttp://ojs.cnr.ncsu.edu/index.php/BioRes/article/view/BioRes_07_2_1389_Arsenate_Biosorption_Fe_Mod_Pine_Sawdust/1419. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
The high adsorption energies indicate chemisorption of hydrogen peroxide on graphene.
R. Majidi, A. R. Karami 2014, 'Hydrogen Peroxide Adsorption on Graphene with Stone-Wales Defect', Journal of Nanostructureshttp://jns.kashanu.ac.ir/article_6072_8e95380a59a619076d2beb9211774b27.pdf. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
The single-layer chemisorption governed the adsorption process.
Chen Wang, Jiling Zhao, Shixing Wang, Libo Zhang, Bing Zhang 2019, 'Efficient and Selective Adsorption of Gold Ions from Wastewater with Polyaniline Modifiedby Trimethyl Phosphate: Adsorption Mechanism and Application', Polymershttps://www.mdpi.com/2073-4360/11/4/652. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
G. K. Bakyayita, A. C. Norrström, R. N. Kulabako 2015, 'Competitive and Noncompetitive Batch Sorption Studies of Aqueous Cd(II) and Pb(II)Uptake onto Coffea canephora Husks, Cyperus papyrus Stems, and Musa spp. Peels', Journal of Chemistryhttp://dx.doi.org/10.1155/2015/696098. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
The predominant adsorption mechanisms were the electrostatic attraction and chemisorption and not ion exchange.
Jacob J. Salazar-Rabago, Roberto Leyva-Ramos, Jose Rivera-Utrilla, Raul Ocampo-Perez,Felipe J. Cerino-Cordova 2017, 'Biosorption mechanism of Methylene Blue from aqueous solution onto White Pine (Pinusdurangensis) sawdust: Effect of operating conditions', Sustainable Environment Researchhttp://www.sciencedirect.com/science/article/pii/S2468203916300905. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
Microcalorimetry was further used to determine the heats of oxygen chemisorption.
L. Tournayan, A. Auroux, H. Charcosset, R. Szymanski 1985, 'Hydrogen and Oxygen Chemisorptions and Titrations by Platinum on Zirconia CatalystsReduced between 673 and 1273 K', Adsorption Science & Technologyhttps://doi.org/10.1177/026361748500200201. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
Chemisorption of benzene proceeds via the formation of π-bonds with nickel.
Th. El-Nabarawy, A.A. Attia, M.A. Hamada, A.M. Youssef 1995, 'Benzene Hydrogenation Activities of Supported Nickel Catalysts in Relation to TheirChemisorption Properties', Adsorption Science & Technologyhttps://doi.org/10.1177/026361749501200207. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
Both hydrogen chemisorption and temperature programmed reduction experiments revealed significant differences depending on the support.
Francisco J. Romero-Salguero, César Jiménez-Sanchidrián, Manuel Mora, María I. López,Dolores Esquivel, Jorge A. Corral 2013, 'Preparation of Palladium-Supported Periodic Mesoporous Organosilicas and their Useas Catalysts in the Suzuki Cross-Coupling Reaction', Materialshttp://www.mdpi.com/1996-1944/6/4/1554. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)