id	author	title	date	pages	extension	mime	words	sentence	flesch	summary	cache	txt
ecletica-96	Louzeiro, Hilton Costa; Soledade, Luiz Edmundo Bastos; de Souza, Antonio Gouveia; Maciel, Adeilton Pereira; Silva, Fernando César	Free glycerin determination in ethanol biodiesel utilizing spectrophotometric and chromatographic (GC/FID) methods	2015	12	.pdf	application/pdf	4353	232	45	According to the Resolution number 7 from the Brazilian National Agency of Oil, Natural Gas and Biofuels (ANP), the official methodologies for free glycerin determination in biodiesel are the ASTM D 6584, EN 14105 and EN 14106 methods. It can be noticed that these methods are sensitive enough to determine free glycerin concentrations below the value of 200 mg/L, the upper limit stated by ANP in the biodiesel specification.	cache/ecletica-96.pdf	txt/ecletica-96.txt