The sampling device of the invention includes a collection unit with a coction 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...http://www.google.es/patents/US5904900?utm_source=gb-gplus-sharePatente US5904900 - Device for sampling gaseous substances, liquids, aerosols or even powdered materials for in situ analysis
Device for sampling gaseous substances, liquids, aerosols or even powdered ...