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Comparison of alpha-quartz standard sikron F600 (HSE A9950) with the nist respirable alpha-quartz standard SRM 1878 for bulk and on-filter analysis

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1001 ‎$0‎MAPA20080103118‎$a‎Jeyaratnam, M.
24510‎$a‎Comparison of alpha-quartz standard sikron F600 (HSE A9950) with the nist respirable alpha-quartz standard SRM 1878 for bulk and on-filter analysis‎$c‎M. Jeyaratnam and N. Nagar
520  ‎$a‎A batch of alpha-quartz designated Sikron F600, and labelled A9950 by this laboratory, has been used as the calibration standard for the analysis of alpha-quartz both in bulk samples and in airborne dust collected on-filter since 1980. The results obtained on comparing this standard with SRM 1878, a respirable alpha-quartz standard for X-ray diffraction measurement certified 95.5-1.1% crystalline alpha-quartz, available from the National Institute of Standards and Technology U.S.A., are presented in this report
61027‎$0‎MAPA20080449711‎$a‎Health and Safety Executive
65011‎$0‎MAPA20080585679‎$a‎Higiene industrial
65011‎$0‎MAPA20080605278‎$a‎Contaminantes químicos
65011‎$0‎MAPA20080540760‎$a‎Cuarzo
65011‎$0‎MAPA20080591960‎$a‎Métodos de análisis
65011‎$0‎MAPA20080541873‎$a‎Normas
65011‎$0‎MAPA20080560591‎$a‎Sikron F600
65011‎$0‎MAPA20080549107‎$a‎SRM 1878
7001 ‎$0‎MAPA20080006310‎$a‎Nagar, N.
7404 ‎$a‎The Annals of occupational hygiene
7730 ‎$t‎The Annals of occupational hygiene‎$d‎Oxford [etc.]‎$g‎nº 2, April 1993 ; p. 167-179