id	author	title	date	pages	extension	mime	words	sentence	flesch	summary	cache	txt
ecletica-627	Prasad, Shiva; de Brito, André Luiz Fiquene; Muniz, Ana Cristina Silva; Leite, Valderí Duarte	Electrometric investigations on the formation of cerium(III) tungstates as a function of pH	2000	10	.pdf	application/pdf	2218	138	47	The variations of pH of Na2WO4 solutions were obtained by progressive additions of determined quantities of nitric acid10. When nitric acid is gradually added to Na2WO4 solution, it changes to sodium paratungstate Na10W12O41 and metatungstate Na6W12O39 around pH 5.9 and 4.0 corresponding to the ratios 6W:7H and 6W:9H, respectively10.	cache/ecletica-627.pdf	txt/ecletica-627.txt