Zobrazeno 1 - 2
of 2
pro vyhledávání: '"André L. Saraceno"'
Autor:
André L. Saraceno, Ricardo Q. Aucélio, Christiane B. Duyck, Carmem Lúcia P. da Silveira, Roseli M. de Souza
Publikováno v:
Microchemical Journal. 87:99-103
A simple procedure for the extraction of Fe, Ni and V from asphaltene into acid solutions prior to the ICP OES determination is proposed. Either sonication or vortex agitation was used to disperse the organic sample into concentrated nitric acid, ach
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ef71241d0027b62c694484e8d6580890
https://doi.org/10.1016/j.microc.2007.06.001
https://doi.org/10.1016/j.microc.2007.06.001
Publikováno v:
J. Anal. At. Spectrom.. 21:1345-1349
The determination of Cr, Mo, Ti, V, Cd, Fe, Mn, Ni and Zn in crude oil by ICP-OES using ultrasound-assisted acid extraction is proposed. The crude oil was treated with concentrated nitric acid and heated at 85 °C for 30 min. Then, the mixture was pl
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5d4e869db43f956e9ca95986107727e8
https://doi.org/10.1039/b605643c
https://doi.org/10.1039/b605643c