Welcher, Frank J; Hahn, Richard B <br/><br/>
Semimicro qualitative analysis / 
Welcher, Frank J; Hahn, Richard B 
 -  D Van Nostrand Co. Inc., New Jersey,  1968 
 - p. ;  22 cm. 
<br/><br/><label>ISBN: </label>9780471001928 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Qualitative chemistry
<br/><br/><label>Dewey Class. No.: </label>544 WEL-S