Official methods of analysis of the Association of Official Analytical Chemists/ 
edited by Sidney Williams. 
 - Fourth edition. 
 - Arlington:  Association of Official Analytical Chemists/  1984. 
 - 1141 pages ;  29 cm. 
<br/><br/><label>ISBN: </label>0935584242 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Chemistry, Analytic--Qualitative.<br/>Chemistry, Analytic--Quantitative.<br/>Chemistry.