id	author	title	date	pages	extension	mime	words	sentence	flesch	summary	cache	txt
eurjchem-542	Abbas, Ismail Ibrahim; Hammud, Hassan Hasan; Shamsaldeen, Hasan	Calix[4]pyrrole macrocycle: Extraction of fluoride anions from aqueous media	2012	7	.pdf	application/pdf	5435	336	61	Calixpyrroles, a class of hetero‐calixarenes, are a topic of considerable current interest in supramolecular chemistry because of their ability to act as receptors for anions [11‐16]. Figure 1. Effect of the amount of calixpyrrole on the percentage extraction of F‐ anions from aqueous media at 25 oC. It was observed that at a given solid/solution ratio (100 g/L) no further uptake of F‐ ions from aqueous solution was obtained.	cache/eurjchem-542.pdf	txt/eurjchem-542.txt