104 



Maine Agricultural Experiment Station. 1919 



Insecticides and Fungicides Analysed in ipi8 and ipip. 

 — Concluded. 



Name and Address of 



Maker. Name of Goods 



and Source of Sample 



Claims Made on Label 



Results of Examina- 

 tion 



Nitrate Agencies Co.. 

 New York City. Vitro 

 Paris Green. E. P. 

 Ham, Lewiston. 



Pfeiffer Color Co., Inc.. 

 New York. Strictly 

 pure Paris Green. Jack- 

 son Drug: Co., Gardi- 

 ner. Walter D. Spauld- 

 ing, Hallowell. 



Sherwin-Williams 



Cleveland. Ohio. Paris 

 Green. Bean's General 

 Store, ClfKton. 



FUNGICIDE 

 Nitrate Agencies Co., 

 New York. Vitro Bor- 

 do Mixture. E. P. 

 Ham, Lewiston. 



COMBINED FUNCI- 

 CIDES AND INSEC- 

 TICIDES 

 Bowker Insecticide Co., 

 Boston. Mass. Bow- 

 ker's Pyrox. L. A. 

 Davis, Benton. E. B. 

 Gardner & Co., Bucks- 

 port. 



Guaranty as above. One pound. 



Not) less than 50 per cent of arson 

 ious oxide in combination with 

 copper and less than 3% per cent 

 water soluble arsenic over 29 per 

 cent copper oxide. No. 30479, One- 

 fourth pound. No. 30502, One pound 



Co., Not less than 50 per cent arsenious 



oxide in combination with copper 

 not more than 3V 2 per cent arsen 

 ious oxide soluble in water. On< 

 pound. 



Copper oxide not less than 7% per 

 cent calculated as metallic copper 

 not less than 6 per cent other mat- 

 ter classed as inert not more than 

 94 per cent. One pound. 



No. 30489. Slightly 

 low in weight. 

 Composition as 

 claimed. 



Nos. 30479 and 30502. 

 Weight and com- 

 position as claimed. 



No. 30476. Weight 

 and composition as- 

 claimed. 



No. 30488. Slightly 

 low in weight. 

 Composition as 

 claimed. 



General Chemical Co.. 

 New York. Orchard 

 Brand Bordeaux Zinc. 

 P. L. Roberts, New 

 Castle. 



Kil-Tone Co.. Vineland. 

 N. J. Improved Kil- 

 tone. Eaton Hard- 

 ware Co., Brunswick. 



Martin-Senour Co., Chic- 

 ago, 111. Potato Spray. 

 Alexander's Pharmacy, 

 Ellsworth. 



Sherwin-Williams 

 Cleveland, Ohio, 

 er Tonic. W. B. Arn 

 old & Co.. Waterville 



Nos. 30478 and 30495. 

 No. 30478 slightly 

 low in weight. 

 Weight of No. 30495 

 and composition of 

 both samples as 

 claimed. 



No. 30483. Weight 

 and composition as 

 claimed. 



Not less than 12 per cent lead oxide 

 and 1.5 per cent copper; arsenic 

 oxide 5.25 per cent; inert ingredi- 

 ents not more than 81.25 per cent; 

 arsenic water soluble not more 

 than 0.75 per cent; total arsenic 

 not less than 3.42 per cent. One 

 pound. 



Not less than 4.5 per cent copper and 

 22.5 per cent dry arsenate of zinc; 

 inert ingredients not more than 73. 

 per cent; total arsenate expressed 

 as metallic arsenic not less than 

 7.62 per cent; arsenic in water sol- 

 uble form expressed as metallic ar- 

 senic not more than .57 per cent. 

 One pound. 



Total copper expressed as metallic 2 No. 30481. Weight 

 per cent; dry lead arsenate 27 per and composition as 

 cent; inert ingredients 64.67 perl claimed, 

 cent; total arsenic expressed as me- 

 tallic 5.8 per cent; arsenic in water 

 soluble form expressed as metallic 

 1.17 per cent. One pound. 



Active ingredients 23.7 per cent; parisNo. 30497. Slightly 

 green 13.5 per cent; copper of bor- under guaranteed 

 deaux mixture 10.2 per cent; inert 

 76.3; arsenic 5.1 per cent; water sol- 

 uble 0.35 per cent; total metallic 

 arsenic 5.19 per cent. One pound. 



percentages but 

 enough over weight 

 to offset. 



Co.. Paris green 60 per cent; copper of No. 30491. Weight 

 Tub- 1 bordeaux materials 6 per cent; in- and composition as 



ert ingredients 34 per cent; total claimed. 



arsenic expressed as per centum of 



metallic arsenic not less than 24 



per cent; arsenic in water soluble 



forms expressed as per centum of 



metallic arsenic not over 3 per cent. 



