Heisig, G. B.  <br/><br/>
The theory and practice of semimicro qualitative analysis / 
G. B. Heisig. 
 - 2nd ed. 
 - Philadelphia :  W. B. Saunders,  c 1950. 
 - 356 p. :  ill. ;  21 cm. 
<br/><br/> Includes index. 
<br/><br/>343  343 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Microchemistry.
<br/><br/><label>Dewey Class. No.: </label>544.83 / H366t