DDT as an Insecticide, Insecticides manufacture insecticides manufacturers DDT as an insecticides making how to make DDT as an insecticides

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Insecticides
• The Use of Hydrocyanic • DDT as an Insecticide • Fly Protectives for Animals • Insecticides for Animals • For Dogs, Cats, etc • Poultry Lice Destroyer • Fly-Killers • Sprinkling Powders for Flies	• Remedies Against Human Parasites • For Head Lice in Children • To Exterminate Mites • Insecticides for Plants • For Moths and Caterpillars • Remedies Against Mosquitoes • Roach Exterminators

DDT as an Insecticide

Developed during world war 2, dichlorodiphenyltrichloroethane, or DDT has been used to combat nearly every kind of insect pest, although it has its limitations.

Since DDT is insoluble in water, and only slightly soluble in oil, it is best to place large lumps in a cloth bag, and break them up with a hammer. Petroleum or kerosene oil solutions of more than 5% must contain a solvent. For instance, to make a 10% solution, use 10 parts of cyclo hexane to 90 parts of oil, or 20 parts of xylene or tetrahydronaphthalene

To 80 parts of oil.

An emulsion made of 2½ lbs. DDT, 1 lb. of Triton-100, and 6½ lbs. xylene is useful as a mosquito larvicide, to louse proof underwear, and as a residual spray. To prepare DDT as a dusting insecticide, grind 1 part DDT with 1¾ lbs. of talc if the above is mixed with sodium lauryl sulfate, and then shaken in water, the resulting suscension can be sprayed.