272 



STATE BOARD OF AaRICULTURE. 



CALCIUM ARSENATE. 



PARIS GREEN. 



Five samples of Paris Green and one of "Bug Finish" (a mixture of 90 

 parts gypsum and 10 parts Paris Green) were analyzed. All of the 

 samples were found to be satisfactory as regards total and soluble arseni- 

 ous oxid. 



PARIS GREEN. 



No. 



566 

 579 

 569 

 491 

 564 

 505 



Manufacturer. 



Detroit White Lead Works, Detroit, Mch 



DeVoe iji^aynolds, New York, N. Y 



Fred L. Lavenburg Co.,, New York, N. Y 



Nitrate Agencies Co., New York, N. Y 



Sherwin-Williams Co., Cleveland, Ohio 



Bug Finish, Mich. Gypsum Co., Grand Rapids, Mich 



Arsenious Oxid (AS2O3). 



Total. 



l?ound. 

 Per Cent. 



5.1.1 

 54,7 

 52.9 

 ,54.3 

 5:!. 4 



Guaran- 

 teed. 

 Per Cent. 



50.0 

 50.0 

 50.0 

 50.0 

 50 

 0.4 



Soluble. 



Found. 

 Per Cent. 



1.5 

 14 

 1,8 

 2.3 

 1.0 

 0.1 



Guaran- 

 teed. 

 Per Cent. 



3.5 

 3.5 

 3.5 

 3.5 

 3.5 

 0.3 



Copper 



Oxid 



Cuo. 



Per Cent. 



30 5 

 29.5 

 29.4 

 29.2 

 30 2 



BORDEAUX MIXTURE. 



Nine samidos of .Bordeaux inixlnre and one sample of Magnesium 

 Bordeaux mixture were analyzed. All of lliese were dry ]>r(>])arali()ns 

 and exceeded the guarantees for cojtper. 



