Teixeira, Leonardo Sena Gomes <br/><br/>
Determination of copper, iron, nickel and zinc in ethanol fuel by energy dispersive X-ray fluorescence after pre-concentration on chromatography paper.  [electronic resource] 

 -  Analytica chimica acta  Apr 2012 
 - 29-33 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>1873-4324 
<br/><br/><label>Standard No.: </label>10.1016/j.aca.2012.02.014  doi