OFFICIAL METHODS OF ANALYSIS OF THE  ASSOCIATION OF OFFICIAL ANALYTICAL CHEMISTS/  
EDITADA POR KENNETH HELRICH 
 - 15 
 - VIRGINIA:   ASSOCIATION OF OFFICIAL  ANALYTICAL CHEMISTS  1990 
 - 2 V. (PAGINACION VARIABLE)  29 CM. 
<br/><br/> CONTENIDO : V.1.AGRICULTURA CHEMICALS   CONTAMINANTS ; DRUGS. -- V.2.FOOD   COMPOSITION ; ADDITIVES ; NATURAL  CONTAMINANTS. 
<br/><br/><label>ISBN: </label>0-935584-42-0 
<br/><br/><label>Subjects--Topical Terms: </label><br/>QUIMICA AGRICOLA.<br/>ALIMENTOS -- COMPOSICION.<br/>ALIMENTOS - ADULTERACION E  INSPECCION.
<br/><br/><label>Dewey Class. No.: </label>630.243 O33 1990