U. GREEN ARSENITE.* 



V. H. Lowe. 



SUMMARY. 



Green arsenite is a simple arsenite of copper similar in texturo 

 and chemical composition to Scheele's green. It is as poisonous 

 as Paris green, is cheaper to manufacture, and is an impalpable 

 powder instead of crystalline, hence it will remain suspended in 

 water longer than ordinary Paris green thus insuring a more even 

 application to the foliage. It should be used with lime in the 

 same manner as Paris green. 



INTRODUCTION. 



Under the name green arsenite the Adler Color and Chemical 

 Works have placed upon the market an arsenical which may be 

 used in place of ordinary Paris green. As stated in the Fifteenth 

 Annual Report of this Stattion, pages 536-539, samples were sent 

 to the Station in 1896 for experiment. During 1897, two other 

 samples were sent for the same purpose. In addition to the ex- 

 periments the poison has been extensively used in place of Paris 

 green in the Station orchard during the past two seasons with 

 excellent results. 



QUALITIES AND USE OF GREEN ARSENITE. 



NATURE AND COMPOSITION. 



In general appearance green arsenite resembles ordinary Paris 

 green. It differs chemically from this poison in being a simple 



•Reprint from Bulletin No. 143. 



