Isocyanate Monitoring Using N-p-Nitrobenzyl-N-Propylamine Glass Fiber Sampling Tube

摘要

N-p-nitrobenzyl-N-propylamine glass fiber sampling tubes were evaluated in the field for detection of Hexamethylene diisocyanate(HDI) during aircraft spray painting and MDI during foam-in-place operations. The tubes, prepared and analyzed according to NIOSH Method P&CAM 326, were satisfactory for HDI monitoring during spray painting, but were inadequate for MDI monitoring under the conditions of the survey.