| ID (ISN) del documento | 38981 |
| Número CIS |
83-124 |
| ISSN - Título de la serie |
0002-8894 - American Industrial Hygiene Association Journal |
| Año |
1982 |
| Número de serie |
|
| Autor(es) |
Rosenberg C., Pfäffli P. |
| Título |
A comparison of methods for the determination of diphenylmethane diisocyanate (MDI) in air samples |
| Información bibliográfica |
Mar. 1982, Vol.43, No.3, p.160-163. 16 ref. |
| Resumen |
High-performance liquid chromatography (HPLC), colorimetric, and continuous tape monitoring methods were compared in the determination of concentrations of MDI in the air of 2 different industrial environments and a laboratory exposure chamber. Neither the colorimetric nor the tape monitoring methods were sensitive enough to determine concentrations of MDI < 0.2 x 10-2 and < 1 x 10-2mg/m3 respectively. Determinations made with the HPLC method at different rates of sampling yielded similar results on simultaneous sampling even at concentration levels of 0.2 x 10-2mg/m3, indicating that this method is useful for both sampling and analysis. The volumes during sampling were in the 5-150l range. The flow rate chosen was 2.5-3.0l/min. The concentration of MDI in the atmospheres of the workplaces was below the current threshold limit value of 0.2mg/m3. |
| Descriptores (primarios) |
cromatografía de alta resolución; dosificación en el aire; toma de muestras y análisis; diisocianato de difenilmetano |
| Descriptores (secundarios) |
valoración del material; isocianatos; estudio comparado; colorimetría; valoración de la exposición |
| Tipo de documento |
D - Artículos periódicos |
| Tema(s) |
Sustancias tóxicas y peligrosas
|
| Broad subject area(s) |
|
| Navegación por categoria(s) |
Isocyanates
Cyano compounds
|
