160 research outputs found

    (E, Z)-2, 6-nonadien-1-al and (E)-2-nonen-1-al Present in Crushed Cucumbers are Natural Repellents for the American Cockroach (Periplaneta Americana)

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    Author Institution: Department of Chemistry, Kansas State UniversityThe compounds (E, Z)-2,6-nonadien-l-al and (E)-2-nonen-l-al that are present in crushed cucumbers were found to repel 98% of American cockroaches, Periplaneta americana L., when present at concentrations of 50 ppm in a test chamber

    Determining the Active Component in 1, 3, 3-trimethyl-2-oxabicyclo {2, 2, 2} Octane (Cineole) that Repels the American Cockroach, Periplaneta Americana

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    Author Institution: Department of Chemistry, Kansas State UniversityThe compound l,3,3-trimethyl-2-oxabicyclo [2,2,2] octane, more commonly known as cineole or eucalyptol, present in bay leaves, is a natural repellent to the American cockroach, Periplaneta amerkana L. It was found that the isopropyl-oxygenisopropyl fragment of the compound is the smallest effective portion, and that the cyclohexane plus oxygen subgroup has the greatest effectiveness

    Chemical separations : principles, techniques, and experiments : a combined text, laboratory manual, and reference

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    xv, 752 p. : ill. ; 29 cm

    Chemical separations : principles, techniques, and experinments

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    XV,752hl. ;Ilus,: 27 cm

    MEASUREMENT OF RADIOACTIVITY

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    ANALYTICAL APPLICATIONS AND EXTRACTION STUDIES OF SOME METAL CHELATE COMPOUNDS OF BENZOHYDROXAMIC ACID

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    International & global marketing: concepts and cases

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