Standard methods of chemical analysis. 

 - 6th ed. 
 - New York :  Krieger Pub.Co.,  1975. 
 - v. :  ill. ;  23 cm. 
<br/><br/> Open access. 
<br/><br/><label>ISBN: </label>0882752545 
<br/><br/><label>LCCN: </label>
<br/><br/><label>Subjects--Topical Terms: </label><br/>Chemistry, Analytic.<br/>Chemistry, Technical.