Gas chromatography inlet liner having a colored region
OwnerEdmund C. Rohland, Glen R. Campbellinventors
Life of this patent
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Abstract
A liner for mixing the sample gas and a carrier gas and delivering the gas mixture to the inlet end of a capillary tube of a gas chromatograph for analysis, comprises (a) a transparent tube having an inlet and an outlet and a bore with an inside surface, and (b) at least one glass subcomponent permanently affixed to the liner tube wherein the subcomponent is at least one color.
Claims11
A liner for mixing a sample gas and a carrier gas and delivering the gas mixture to the inlet end of a capillary tube of a gas chromatograph for analysis, comprising:
- (a) a transparent tube having an inlet and an outlet and a bore forming an inside tube surface, and
- (b) at least one glass subcomponent permanently affixed to the transparent tube wherein the subcomponent is at least one color, wherein the glass subcomponent comprises a first cylinder aligned coaxial with the transparent tube permanently affixed to the inside tube surface of the transparent tube and a second cylinder positioned in a bore of the first cylinder.
A liner for mixing a sample gas and a carrier gas and delivering the gas mixture to the inlet end of a capillary tube of a gas chromatograph for analysis, comprising:
- (a) a transparent tube having an inlet and an outlet and a bore forming an inside tube surface, and
- (b) at least one glass subcomponent permanently affixed to the transparent tube wherein the subcomponent is at least one color, wherein the glass subcomponent comprises a first chamfered cylinder permanently affixed to the inside tube surface of the transparent tube and a second chamfered cylinder positioned in a bore of the first chamfered cylinder.
Dependencies are inferred from the claim text.