Patent ID: 6067402
Filing Date: 2000-05-23
Classification: B01D,G01N

Abstract:
A heating unit, comprising:a heating tube having a heater for heating a chamber inside said heating tube;a container for containing a vaporizable sample, said container having an opening that is sealed with a permeable rubber gasket, and said container being disposed in said chamber of said heating tube;a seal hermetically sealing said chamber with said container therein;introduction tubes for introducing a carrier gas from outside of said chamber into said container in said chamber, wherein said introduction tubes comprise a needle having a throughhole at an end thereof for piercing said rubber gasket of said container for introduction of the carrier gas into said container; anda discharge tube for discharging vaporized constituents and the carrier gas from said container in said chamber to outside of said chamber, wherein said discharge tube comprises a needle having a through-hole at an end thereof for piercing said rubber gasket of said container and for discharging the vaporized constituents and the carrier gas.