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The HSE/NPL phase-contrast test slide

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Section: Articles
Title: The HSE/NPL phase-contrast test slide / J.M.M. Le Guen... [et al.]
Notes: Sumario: The slide provides a means of checking the detection limit of phase-contrast microscopes and is intented primarly for use with the membrane filter method of measuring airborne asbestos fibres. The test objects on the Mark II version (HSE/NPL), which is commercially available, are sets of ridges of resin, mounted on a conventional microscope slide, and immersed in a second resin of slightly lower refractive indexRelated records: En: The Annals of occupational hygiene. - Oxford [etc.]. - nº 2, 1984 ; p. 237-247Materia / lugar / evento: Higiene industrial Contaminación atmosférica Control de la contaminación Amianto Muestreador Muestreos Microscopios Tests Otros autores: Le Guen, Jean M.M.
Secondary titles: Título: The Annals of occupational hygiene
Other categories: 872