Welcher, F J; Hahn, Richard B <br/><br/>
Semimicro qualitative analysis 

 -  D Van Nostrand Co. Inc., New Jersey  1964 
 - 497 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Qualitative chemistry
<br/><br/><label>Dewey Class. No.: </label>PG 544  WEL-S