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Evaluation of 1-(9-anthracenylmethyl) piperazine for the analysis of isocyanates in spray-painting operations. 1996

W E Rudzinski, and S Norman, and B Dahlquist, and K W Greebon, and A Richardson, and K Locke, and T Thomas
Department of Chemistry, Southwest Texas State University, San Marcos 78666, USA.

A new reagent, 1-(9-anthracenylmethyl)piperzine (MAP), was used for the derivatization of airborne 1,6-hexamethylene diisocyanate (HDI) and polyisocyanates generated during spray-painting operations. The new reagent, which offers enhanced sensitivity and uniformity of response to both the monomeric and oligomeric forms of HDI, was compared directly with 1-(2-methoxyphenyl)piperazine (MOP), the currently employed derivatizing reagent used in the National Institute for Occupational Safety and Health Method 5521. Both the validity of the side-by-side sampling protocol and the efficacy of two derivatizing reagents were evaluated in field studies. The analytical results indicate that there is no significant difference at the 95% confidence level in the concentration of polyisocyanate in the aerosol as determined by two impingers containing MAP and a third containing MOP when these are positioned in a side-by-side-by-side arrangement.

UI MeSH Term Description Entries
D009314 National Institute for Occupational Safety and Health, U.S. An institute of the CENTERS FOR DISEASE CONTROL AND PREVENTION which is responsible for assuring safe and healthful working conditions and for developing standards of safety and health. Research activities are carried out pertinent to these goals. NIOSH,National Institute for Occupational Safety and Health (U.S.),United States National Institute for Occupational Safety and Health,National Institute for Occupational Safety and Health
D010150 Paint An emulsion of solid color which when spread over a surface leaves a thin decorative and or protective coating. Varnish,Paints
D010879 Piperazines Compounds that are derived from PIPERAZINE.
D003485 Cyanates Organic salts of cyanic acid containing the -OCN radical. Cyanate
D004784 Environmental Monitoring The monitoring of the level of toxins, chemical pollutants, microbial contaminants, or other harmful substances in the environment (soil, air, and water), workplace, or in the bodies of people and animals present in that environment. Monitoring, Environmental,Environmental Surveillance,Surveillance, Environmental
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000395 Air Pollutants, Occupational Toxic air-borne matter related to work performed They are usually produced by the specific nature of the occupation. Occupational Air Pollutants,Pollutants, Occupational Air
D000873 Anthracenes A group of compounds with three aromatic rings joined in linear arrangement.
D012680 Sensitivity and Specificity Binary classification measures to assess test results. Sensitivity or recall rate is the proportion of true positives. Specificity is the probability of correctly determining the absence of a condition. (From Last, Dictionary of Epidemiology, 2d ed) Specificity,Sensitivity,Specificity and Sensitivity
D014481 United States A country in NORTH AMERICA between CANADA and MEXICO.

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