id	author	title	date	pages	extension	mime	words	sentence	flesch	summary	cache	txt
ecletica-427	Andjelkovic, Tatjana; Perovic, Jelica; Purenović, Milovan; Blagojevic, Srdjan; Nikolić, Ružica; Andjelkovic, Darko; Bojic, Aleksandar	A direct potentiometric titration study of the dissociation of humic acid with selectively blocked functional groups	2006	8	.pdf	application/pdf	4531	239	57	All the obtained data for HA were consistent with typical values for soil humic acids In the case of soil humic acid, carboxyl groups are also, almost complitely esterified (92.9%), since only 7.1% of carboxyl groups (CA(EHA)	cache/ecletica-427.pdf	txt/ecletica-427.txt