id	author	title	date	pages	extension	mime	words	sentence	flesch	summary	cache	txt
ajbspi-70148	Narbek Sapaevich Palvanov; Adolat Farkhadovna Tillayeva	Electrometric determination of cu (ii) cations, Zn (ii) and Cr (iii) in aqueous, water-non-aqueous and mixed solutions	2025	5	.pdf	application/pdf	2264	163	63	Therefore, they are also called aprotic acids or Lewis acids. The cations Cu2+, Zn2+ and Cr3+ are aprotic acids, which do not retain protons, and have wetting acidic properties of varying strength in solutions depending on their ionic charge.	cache/ajbspi-70148.pdf	txt/ajbspi-70148.txt