Patent ID: 9285347
Filing Date: 2016-03-15
CPC Classification: B01D,B01L,G01N

Claim Text:
1. A liquid chromatography device comprising: a liquid accommodation portion that accommodates a liquid that is to elute an analysis component from a specimen adsorbed to an adsorption portion; a liquid supply apparatus that, by operation of a rod pushing up or pulling down, sucks or discharges the liquid through an aperture portion of a tube portion, the aperture portion being oriented upward; an air layer formation apparatus that forms an air layer in the tube portion; a first channel that connects the liquid supply apparatus with the liquid accommodation portion; a second channel that is connected to the first channel via a second switching valve, the second channel supplying the liquid discharged from the liquid supply apparatus to the adsorption portion; an evacuation portion that is connected to the first channel via a first switching valve and that evacuates the air layer through the first channel; an atmosphere release valve that is provided at at least one of the tube portion, the first channel or the second channel, and that introduces the air layer into the tube portion; and an analyzer that analyzes the analysis component in the liquid passed through the adsorption portion.