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On the determination of crystalline silica in the presence of amorphous silica

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008  940214s1980 gbr|||| | |00010|eng d
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24510‎$a‎On the determination of crystalline silica in the presence of amorphous silica‎$c‎Erik Bye... [et al.]
520  ‎$a‎The infrared spectroscopic and X-ray diffraction techniques of analysing silica are compared. It is shown, contrary to the NIOSH manual, that amorphous silica interferes in the infrared analyses of crystalline silica. Accordingly, it is necessary to analyse mixtures of the two by means of X-ray diffraction in order to obtain crystalline silica contents
65011‎$0‎MAPA20080585679‎$a‎Higiene industrial
65011‎$0‎MAPA20080605278‎$a‎Contaminantes químicos
65011‎$0‎MAPA20080542313‎$a‎Sílice
65011‎$0‎MAPA20080568832‎$a‎Espectroscopia
65011‎$0‎MAPA20080545192‎$a‎Rayos X
65011‎$0‎MAPA20080591960‎$a‎Métodos de análisis
7001 ‎$0‎MAPA20080003623‎$a‎Bye, Erik
7404 ‎$a‎The Annals of occupational hygiene
7730 ‎$t‎The Annals of occupational hygiene‎$d‎Oxford [etc.]‎$g‎nº 4, 1980 ; p. 329-334