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Determination of fumigants. ix. Composition of heavy coal-tar naphtha

✍ Scribed by Sarsfield, N. F.

Publisher: Wiley (John Wiley & Sons)
Year: 1942
Weight: 558 KB
Volume: 61
Category: Article
ISSN: 0368-4075
DOI: 10.1002/jctb.5000610101

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✦ Synopsis

The composition nbd properties of heavy cod-tnr naphtlin nre studied with a view to improving nnd standardising its npplication an n bed-bug fumignnt. This involves proparativowork, frnotionnl distillntion, and. determinotion of vnpour proeeure and eveporntion mto. A new np lication of statist i 4 annlysis bnn b n employed in tEe comlntion of m e n a d toxicities with those calculated from chemical analyein by tho use of tho principles found to connect toxicity with chemical comp&ition. 'A*. .

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Determination of fumigants. x. Methods of analysis of heavy naphtha and other neutral light oils

✍ Sarsfield, N. F. 📂 Article 📅 1942 🏛 Wiley (John Wiley & Sons) ⚖ 777 KB

The components nre tlieii given n score derived from their tosic indices, proportionnte to their nniounts in the mixtiire. Thus, n snniple of Iienvy nnphthii containing 10% of syleiie, 40% of nroinntic hydrocnrbons, 48% of n pnrnffiil-unsnturnted niixt.urc (1 : I), nnd 2% of phenol gives tho scores