Modern methods of chemical analysis /  
Robert L. Pecsok ... [et al.]. 
 - 2nd ed. 
 - New York :   John Wiley & Sons,   c1976. 
 - xviii, 573 p. :   il. 
<br/><br/><label>ISBN: </label>0471676624 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Química analítica.
<br/><br/><label>Dewey Class. No.: </label>543