Welcher, F. J. <br/><br/>
Organic analytical reagents / 
[by] F.J. Welcher. 
 - New York :  D. van Nostrand,  1947-1948. 
 - v. ;  22 cm. 
<br/><br/> Includes index. 
<br/><br/><br/>"This is an authorized facsimile and was produced by microfilm-xerography in 1971 by University Microfilms, a Xerox Company, Ann Arbor, Michigan, U.S.A." 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Chemical tests and reagents.<br/>Chemistry, Analytic.<br/>Chemistry, Organic.<br/>Organic compounds.