. Bulletin. Natural history; Natural history. ^â "f^^--p'pm'>^ t c Fig. 9.âSoluble oil 22. X490. Table 9.âRelation between viscosity, saturation, ratio of emulsifier and oil-droplet size for commercial oil sprays tested against San Jose scale. Fig. 7. Average Range Com- or Oil- No. Tests at Relative Efficiency mercial droplet Per C ENT AT Per Cent lTE^ Oil No. Co M P O S I T ION* Size CONCEN-TR ATIONT Concentration Ratio Vis- Emul- of Emul- cosity sifier sion to Oi n,uroâs 1. 1.; -'. . /. IJ -'â ,;. 1 Soluble oil 2 47 Soap High 1-3 1 1 I 94 5 2 Soluble oil I 350 Soap
. Bulletin. Natural history; Natural history. ^â "f^^--p'pm'>^ t c Fig. 9.âSoluble oil 22. X490. Table 9.âRelation between viscosity, saturation, ratio of emulsifier and oil-droplet size for commercial oil sprays tested against San Jose scale. Fig. 7. Average Range Com- or Oil- No. Tests at Relative Efficiency mercial droplet Per C ENT AT Per Cent lTE^ Oil No. Co M P O S I T ION* Size CONCEN-TR ATIONT Concentration Ratio Vis- Emul- of Emul- cosity sifier sion to Oi n,uroâs 1. 1.; -'. . /. IJ -'â ,;. 1 Soluble oil 2 47 Soap High 1-3 1 1 I 94 5 2 Soluble oil I 350 Soap High 1-^3 2 1 2 1 99 99. 93 7 3 Soluble oil 17 83 Soap Low 1 3 7 4 2 91 2 94. 98 8 97. 4 Government Potasli formula 104 fish-oil Low 3-4 1 1 2 1 1 91 1 95 9 100. 98 5 BKOS soap S Illinois formula BFOS 104 Potash fish-oil soap Higli 2-3 4 6 7 Stock oil S Stock oil 8 80 Inert Gum Low Low 2 5-4,5 t-6 I 1 1 1 1 1 2 88 9 97 . 95 5 99 9 99 g Control, water per cent scale alive 5 5 5 5 5 0 0. 0. 0. 0. ' Item 6 contains a technical white oil. Ite o 5 ami 7 are nils. t A test is a field series in which 1000 over- ^^ intenng scales are counted. Data include six . ii-s' Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Illinois. Natural History Survey Division. Urbana, State of Illinois, Dept. of Registration and Education, Natural History Survey Division
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Keywords: ., booka, bookcentury1900, bookdecade1910, booksubjectnaturalhistory
