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Analytical problems encountered with NIOSH method 5521 for total iscyanates
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MAP20071022960
Key-Schwartz, Rosa J. ‌
Analytical problems encountered with NIOSH method 5521 for total iscyanates / Rosa J. Key-Schwartz
Sumario: A recent analysis for total isocyanates in air using National Institute for Occupational Safety and Health Method 5521 presented difficulties in the identification of an oligomeric isocyanate species. Two problems were encountered during the analysis. Two problems were encountered during the analysis. A false negative response in the high performance liquid chromatography chromatogram was encountered in a majority of the field samples
En: American Industrial Hygiene Association journal. - Akron, Ohio. - Vol. 56, nº 5, May 1995 ; p. 474-479
1. National Institute for Occupational Safety and Health ‌. 2. Higiene industrial ‌. 3. Isocianatos ‌. 4. Contaminación en ambientes laborales ‌. 5. Métodos de análisis ‌. I. Título. II. Título: American Industrial Hygiene Association journal.