Hi-print .inly i, L909, 



U. S. DEPARTMENT OF Ar.RICl *I /ITJRE, 

 BUREAU OF CHEMISTRY BULLETIN No. 107 (Revised). 



H. W. WILKV, Chief of Bureau. 



OFFICIAL AND PROVISIONAL 



METHODS OF ANALYSIS, 



ASSOCIATION OF OFFICIAL 

 AGRICULTURAL CHEMISTS. 



AS COMPILED BY THE COMMITTEE ON REVISION OF METHODS (J. K. HAYWOOD, 



(-] I AIRMAN, J. P. STREET, F. W. WOLL, J. H. PETTIT, L. M. TOLMAN, 



F. P. VEITCH, AND A. L. WINTON), NOVEMBER 1, 19C6, AND 



PROVISIONALLY ADOPTED BY THE ASSOCIATION; 



FURTHER REVISED AND FINALLY 



ADOPTED, OCTOBER, 1907. 



Edited by 

 HARVEY W. WILEY, 



Secretary of the Association. 



WASHINGTON: 



GOVERNMENT PRINTING OFFICE, 

 1909. 



