DISPOSITIF POUR LE PRELEVEMENT DE SUBSTANCES GAZEUSES, DE LIQUIDES, D'AEROSOLS OU MEME DE MATIERES PULVERULENTS, EN VUE DE LEUR ANALYSE IN SITU

摘要

The sampling device of the invention includes a collection unit with a collection surface (24), a sampling unit (30) engaging said collection surface (24), means for moving said sampling unit (30) and said surface relative to each other, heating means associated with the sampling means (30) for vaporising contaminant materials, and a suction nozzle (28) which connects to the inlet of an analyzing apparatus (1) and is designed to draw in the contaminant material vapours produced by the heating means. The invention is suitable for analysing in situ gaseous substances, liquids, aerosols, and even pulverulent materials.