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US 11,442,048 B2Granted
ESI sprayer tube and ESI sprayer
AssigneeShimadzu Corporation
InventorWataru Fukui
Life of this patent
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Abstract
An ESI sprayer tube 10 includes: a first tube 11 having an inlet end; a second tube 12 having the inner diameter larger than the outer diameter of the first tube 11, the second tube 12 being located outside the first tube 11; and a tube fixation portion 14 formed to fill a space between the first tube 11 and the second tube 12, in a side close to the inlet end.
Claims16
An ESI sprayer tube which is connected to an outlet tube of a column provided in a liquid chromatograph in use, the ESI sprayer tube comprising:
- a) a first tube having an inlet end into which a sample liquid enters from the outlet tube;
- b) a second tube having an inner diameter larger than an outer diameter of the first tube, the second tube being located outside the first tube, where a space is provided between an outer periphery of the first tube and an inner periphery of the second tube;
- and
- c) a tube fixation portion configured to fix the first tube and the second tube, the tube fixation portion being formed to fill the space so that the space is completely closed over the outer periphery of the first tube at a side at the inlet end,
- where an inner diameter of the first tube is smaller than an inner diameter of the outlet tube and such that the tube fixation portion is exposed to the sample liquid from the outlet tube.
2 more elements
Dependencies are inferred from the claim text.