Welcher, Frank J. . <br/><br/>
Standard Methods of Chemical Analysis /  Textual Documents 
Frank J.Welcher. 
 - 6th ed. / 
 - London :  D. Van Nostrand Co., Inc ,  C1963. 
 - 1282p. ;  22cm. 
 - Vol. II- 
<br/><br/><label>Subjects--Index Terms: </label>Chemical Analysis Chemistry- Noninstrumental Methods T/G-Chemistry T/G-Chemistry 
<br/><br/><label>Dewey Class. No.: </label>542  / W 442 St