Patent ID: 7700045
Filing Date: 2010-04-20
Classification: G01N,Y10S,Y10T

Abstract:
1. A sampling device for analysis of a substance, wherein the substance is selected from the group consisting of isocyanates, aminoisocyanates, isothiocyanates, anhydrides, amines and carboxylic acids and can be present in both gas and particle phases in an air flow passed, for sampling, through the sampling device, said sampling device comprising: a) an adsorption device comprising a coating, wherein said coating comprises a mixture of one or more primary or secondary amines as reagent and an acidic compound having the ability to form a salt with the amine(s), wherein the reagent is for adsorption of and reaction with the substance in the gas phase of the air flow and the acidic compound is for immobilization of the reagent in said adsorption device; and b) a filter device comprising said mixture of reagent amine(s) and acidic compound for adsorption of and reaction with the substance in the particle phase of the air flow.