Official methods of analysis of AOAC International/ 
George W. Latimer. 
 - 20th ed. 
 - Maryland, USA:  AOAC International,  2016. 
 - 2 v.:  ill.;  30 cm. 
<br/><br/> Includes index. 
<br/><br/>Includes bibliographic reference 
<br/><br/><label>ISBN: </label>0935584870 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Chemistry, Analytic--Technique.<br/>Agricultural chemistry--Technique.<br/>Food--Analysis.<br/>Drugs--Analysis.
<br/><br/><label>LC Class. No.: </label>S587.  / O34 2016