New York Agricultural Experiment Station. 



397 



For a discussion of the chemistry of Paris green and for a 

 statement of the methods of chemical analysis used, see Bulletin 

 No. 190, p. 284. 



Analyses of Samples of Pabis Green in 1901. 



No. 



61 

 353 



57 

 347 



59 

 301 

 302 



60 

 303 

 305 

 362 



65 



63 

 357 

 355 



66 

 310 

 340 



69 

 304 

 307 

 361 



56 

 342 

 343 

 345 



68 

 356 

 358 



62 

 350 

 354 



54 

 306 

 311 

 308 

 360 

 341 



67 

 351 



359 



55 



309 



64 



348 

 344 



Manufacturer. 



Acme Color Woi-ks, 



Acme Color Works, 



Adler Color <*c Chemical Co., 



Adler Color & Chemical Co., 



A. B. Ansbacher & Co., 



A. B. Ansbacher & Co., 



A, B. Ansbacher & Co., 



James A. Blanchard, 



James A. Blanchard, 



James A. Blanchard, 



George C. Buell & Co., 



Cawley, Clark & Co., 



Charles M. Childs & Co., 



Charles M. Childs & Co., 



Hampden Paint Co., 



Morris HeiTmann «fe Co., 



Morris Herrmann & Co., 



Morris Hen-mann & Co., 



Fred L. Lavanburg, 



Fred L. Lavanburg, 



Fred L. Lavanburg, 



George E. Laverack, 



Leggett & Bros., 



Leggett «fe Bros., 



Leggett & Bros., 



Leggett & Bros., 



N. Y. Enamel Paint Co., 



N. Y. Enamel Paint Co., 



N. Y. Enamel Paint Co., 



I. Pfeiffer, 



I. Pfeiffer, 



I. Pfeiffer,. 



C. T. Reynolds & Co., 



Reynolds (Devoe, Reynolds & Co.), 



Solomon & Schwartz, 



Sondheim, Alsburg & Co., 



Stanley, Jordan & Co., 



John L. Thompson Sons, 



Unknown, 



Unknown, 



Total 



arsen- 



ious 



oxide. 



Per ct. 



57.11 

 57.66 

 57.97 

 56.93 

 67.11 

 57.84 

 56.93 

 57.42 

 57.11 

 57.35 

 57.72 

 57.42 

 57.85 

 58.76 

 58.82 

 61.40 

 62.87 

 62.69 

 57.91 

 57.91 

 58.82 

 58.03 

 57.11 

 56.13 

 57.42 

 57.42 

 57.11 

 58.09 

 58.46 

 57.35 

 57.72 

 58.00 

 60.72 

 57.29 

 57.60 

 57.84 

 58.58 

 57.60 

 57.72 

 58.09 



Water 

 soluble 

 arsen- 

 ioua 

 oxide. 

 Per et. 



1.47 

 1.47 



0.88 

 2.64 

 0.88 

 1.47 

 1.10 

 1.53 

 1.53 

 1.53 

 1.65 

 1.35 

 1.23 

 0.98 

 1.10 

 1.78 

 2.21 

 1.53 

 0.98 

 0.98 

 1.15 

 1.23 

 0.98 

 1.23 

 1.23 

 0.98 

 1.47 

 1.72 

 0.98 

 1.10 

 0.88 

 1.35 

 1.40 

 1.10 

 0.88 

 0.88 

 1.40 

 0.88 

 0.98 

 0.98 



Analyses of Samples of Other Insecticides. 



English Bug Compound, English Com- 

 pound Co., 1.46 



Laurel Green, Nichols Chemical Co., 4.85 



Laurel Green, Nichols Chemical Co., 5.4o 



London Purple, Hemingway's London 



Purple Co.. 32.32 12.21 



Paragrene. Fred L. Lavanburg, 41.73 0.88 



Paris-Green-Bordeaux-Mixture, Leg- 

 gett Bros., 



Copper 

 oxide. 

 Per ct. 



30.04 



30.04 



30.29 



30.10 



30.23 



30.48 



30.35 



28.54 



29.22 



29.66 



29.41 



31.23 



30.08 



30.41 



30.16 



27.47 



26.78 



26.53 



30.16 



30.48 



29.91 



29.85 



30.01 



29.54 



30.50 



30.41 



30.04 



30.23 



30.35 



30.04 



30.73 



30.29 



28.35 



30.54 



30.85 



30.48 



29.60 



30.29 



31.14 



30.16 



0.60 

 12.68 

 12.05 



21.06 



Arsen- 



I0U8 



oxide 

 in com- 

 bination 

 with 

 copper. 

 Per et. 



56.27 

 56.27 

 56.74 

 56.38 

 56.63 

 57.10 

 56.85 

 53.46 

 54.73 

 55.56 

 55.09 

 57.42 

 56.35 

 .56.97 

 .56.50 

 51.46 

 50.17 

 49.70 

 56.50 

 57.10 

 56.03 

 55.91 

 56.21 

 55.34 

 57.13 

 56.97 

 56.27 

 56.63 

 56.85 

 56.27 

 57.57 

 56.74 

 53.11 

 57.21 

 57.60 

 57.10 

 55.45 

 56.74 

 57.72 

 56.50 



15.49 1.72 16.02 



