Detection and identification of asbestos by microscopical dispersion staining | Zendy

Walter C. McCrone | Zendy

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Detection and identification of asbestos by microscopical dispersion staining

Author(s) -

Walter C. McCrone

Publication year - 1974

Publication title -

environmental health perspectives

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 2.257

H-Index - 282

eISSN - 1552-9924

pISSN - 0091-6765

DOI - 10.1289/ehp.74957

Subject(s) - staining , dispersion (optics) , microscopy , asbestos , suspension (topology) , materials science , optics , wavelength , fiber , pathology , composite material , optoelectronics , medicine , mathematics , physics , homotopy , pure mathematics

Asbestos fibers as small as 1 mum in diameter can be uniquely identified by light microscopy by employing dispersion staining methods. The technique described herein involves suspension of fibers in liquids of known refractive indices and observation of color display by means of a dispersion staining objective. Wavelengths or indices of refraction may be determined at right angles to and parallel to fiber axes. This method is rapid and sensitive for identification purposes.

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