Issued March 15, 1907. 



United States Department of Agriculture, 



BUREAU OF CHEMISTRY Circular No. 33. 



H. W. WILEY, Chief of Bureau. 



REPORT ON METHODS OF BEER ANALYSIS. 



BY H. E. BARNAKD, 



Chemist Indiana State Board of Health, and Associate Referee on Food Adulteration, 

 Association of Official Agricultural Chemists. 



INTRODUCTION. 



The methods for the analysis of beers having- been studied for several 

 years bj^the Association of Official Agricultural Chemists, the work has 

 culminated in the following exhaustive report submitted by the referee 

 at the convention held in 1906, and the methods reported are now before 

 the association for adoption as official. For this reason, as well as 

 because of the length of the report and the fact that while important 

 it is of interest to a comparatively limited number of chemists, the 

 methods are here published in circular form. 

 Respectfully, 



H. W. WILEY, 

 Chief, Bureau of Chemistry. 



Secretary, Association of Official Agricultural Ch&niists. 

 Approved: 



JAMES WILSON, 



Secretary of Agriculture. 

 WASHINGTON, D. C., January 16 ', 1907. 

 21185 No. 3307 



