the amount of acid present in a solution, often expressed in terms of pH
3. another name for hyperacidity
Examples of 'acidities' in a sentence
acidities
The latter are responsible for the higher surface acidities displayed by the sulphated oxides.
Adham R. Ramadan, Nahed Yacoub, Haguer Amin, Jehane Ragai 2008, 'Sulphated Oxides of Titanium Prepared from Titanium Ethoxide: Surface and RelatedProperties', Adsorption Science & Technologyhttps://doi.org/10.1260/026361708788708243. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
The ternary system was of a simple eutonic type under different acidities.
Huaigang Cheng, Jianwei Zhang, Huibin Lv, Yanxia Guo, Wenting Cheng, Jing Zhao, FangqinCheng 2017, 'Separating NaCl and AlCl3·6H2O Crystals from Acidic Solution Assisted by the Non-EquilibriumPhase Diagram of AlCl3-NaCl-H2O(-HCl) Salt-Water System at 353.15 K', Crystalshttps://www.mdpi.com/2073-4352/7/8/244. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
Their acidities in both the gas and solution phases were determined.
Hikaru Yanai, Masaya Fujita, Arata Takahashi, Min Zhang, Masaaki Mishima, Akira Kotani,Takashi Matsumoto, Takeo Taguchi 2013, 'Synthesis of δ-Oxo-1,1-bis(triflyl)alkanes and Their Acidities', Moleculeshttp://www.mdpi.com/1420-3049/18/12/15531. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
In oils with low acidities, the results obtained for both methylation methods wereequivalent.
Pérez-Camino, M. C., Moreda, W., Cert, A. 2000, 'Methods of preparation of fatty acid methyl esters (FAME). Statistical assessmentof the precision characteristics from a collaborative trial', Grasas y Aceiteshttp://grasasyaceites.revistas.csic.es/index.php/grasasyaceites/article/view/464/466. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
The existence of functional groups with different acidities and complexing abilities has been established.
Yu. Kholin, S. Myerniy, G. Varshal 2000, 'The Determination of Affinity Distributions: A Numerical Algorithm and its Applicationfor Estimating the Energetic Heterogeneity of Complexing Silicas and Humic Substances',Adsorption Science & Technologyhttps://doi.org/10.1260/0263617001493431. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
The surface acidities of the catalysts were determined via titration with n-butylamine in a non-aqueous medium.
E.A. El-Sharkawy, Shar S. Al-Shihry, A.M. Youssef 2006, 'Physicochemical Properties of the CoO/AlO, AgO/AlO and AgO-CoO/AlO Systems and TheirCatalytic Activities towards Acid-Base and Redox Reactions', Adsorption Science & Technologyhttps://doi.org/10.1260/026361706781355037. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
The grapes grown on the irrigation silting soil had higher acidities, but the remaining indices were lower.
Rui Wang, Quan Sun, Qingrui Chang 2015, 'Soil types effect on grape and wine composition in Helan Mountain area of Ningxia.',PLoS ONEhttp://europepmc.org/articles/PMC4338078?pdf=render. Retrieved from PLOS CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
The same was found true for the surface acidities as determined by the chemisorption of pyridine.
Th. El-Nabarawy, L.B. Khalil, A. M. Youssef 1996, 'The Effect of the Method of Preparation on the Textural, Acidic and Catalytic Propertiesof Chromia–Alumina Catalysts', Adsorption Science & Technologyhttps://doi.org/10.1177/026361749601300505. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
These materials have the advantage of presenting better dispersion of vanadium species, as well as shape-selective properties and controllable acidities.
Ângela A. Teixeira-Neto, Leonardo Marchese, Heloise O. Pastore 2009, 'Vanadium-modified molecular sieves: preparation, characterization and catalysis',Química Novahttp://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-40422009000200033. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)