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NIOSH Method 7402-asbestos fibers (revision #1) : low-temperature ashing of filter samples
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MAP20071020272
Baron, Paul A. ‌
NIOSH Method 7402-asbestos fibers (revision #1) : low-temperature ashing of filter samples / Paul A. Baron and S. Frank Platek
Sumario: As a result of experiments involving scanning electron micrograph (SEM) analysis of low-temperature ashed filters Method 7402 was revised to clarify these issues. Because Method 7402 is used to provide the fraction of optically visible asbestos fibers in a sample, the previously recommended low-temperature ashing step may cause an overestimate of the asbestos fraction
En: American Industrial Hygiene Association journal. - Akron, Ohio. - Vol. 51, nº 11, November 1990 ; [2] p
1. Higiene industrial ‌. 2. Contaminantes químicos ‌. 3. Amianto ‌. 4. Fibras ‌. 5. Muestreos ‌. 6. Filtros ‌. 7. Métodos de análisis ‌. 8. Control de contaminantes ‌. 9. Método N.I.O.S.H. ‌. I. Platek, S. Frank ‌. II. Title. III. Título: American Industrial Hygiene Association journal.