TY  - BOOK
AU  - Welcher, Frank J
AU  - Welcher, Frank J
TI  - Standard Methods Of Chemical Analysis
U1  - 545 
PY  - 1963///
CY  - New Jersey
PB  - D.VAN NOSTRAND COMPANY,INC
KW  - Chemistry
KW  - Analytical chemistry
KW  -  Separation Techniques
KW  - Sampling
ER  -