Abstract: A circulation device causes gas to circulate between a sample storage space and a temperature adjustment space through the first and second opening regions in a separating member. A temperature of gas flowing in the temperature adjustment space is adjusted by a heat exchanger, so that the temperature of gas surrounding a sample in the sample storage space is adjusted. The separating member further has first and second unit regions. The second opening region includes a first portion located in the first unit region and a second portion located in the second unit region. The shortest distance between the first portion and the first opening region is larger than the shortest distance between the second portion and the first opening region, and an aperture ratio of the first portion in the first unit region is larger than an aperture ratio of the second portion in the second unit region.

Abstract: A plate changer includes a casing that stores a sample plate and one or a plurality of first rack plates that each support the sample plate. One or a plurality of plate supporters that respectively support the one or plurality of first rack plates at different heights are provided in the casing. Each first rack plate is configured to be supportable on and removable from any of the one or plurality of plate supporters. The plate changer further includes a detector that detects whether the first rack plate is supported on each plate supporter.

Abstract: A flow-path member through which a sample flows in an analysis device includes a pipe and a covering member that covers the pipe. The pipe has a first portion including a first direction, which is orthogonal to a direction in which the flow-path member extends as a whole, as at least an element of a local extending direction, a second portion including a second direction, which is opposite to the first direction, as at least an element of a local extending direction, a first bent portion in which a local extending direction changes from the first portion to the second portion, and a second bent portion in which a local extending direction changes from the second portion to the first portion. A space is formed between the covering member and the pipe at least in the first portion and the second portion.

Abstract: A detector (50) for a liquid chromatograph includes a tube (56) and a flow cell (52) arranged so that a mobile phase and a sample exiting from a column (10) in a liquid chromatograph (100) flow through the tube into the flow cell which is configured to allow for detection of a component in a sample flowing within the flow cell. The tube includes a first wetted member (56) made of a PEEK resin material. The flow cell has a passage surface formed by a second wetted member (521) including a non-metallic material having a lower electric resistivity than the first wetted member. The use of those wetted members facilitates the discharging of electric charges from the flow cell while preventing adsorption of sample components to the inner surface of the flow cell.

Abstract: A plate changer is provided with a plate storage and a transport mechanism. The plate storage is provided with an installation window portion and a transport window portion arranged to face to each other. The plate storage is further provided with a plate stopper at the transport window portion. The plate stopper stops the sample plate by being arranged at an interfering position where the plate stopper comes into contact with a transport window portion-side end face of the sample plate when the sample plate inserted from the installation window portion has reached a predetermined position in the one direction. The the plate stopper is configured to be arranged at a non-interfering position where the plate stopper does not interfere with the transport mechanism and the sample plate when the sample plate on the plate installation stand is taken out from the transport window portion by the gripping portion.

Abstract: A circulation device causes gas to circulate between a sample storage space and a temperature adjustment space through the first and second opening regions in a separating member. A temperature of gas flowing in the temperature adjustment space is adjusted by a heat exchanger, so that the temperature of gas surrounding a sample in the sample storage space is adjusted. The separating member further has first and second unit regions. The second opening region includes a first portion located in the first unit region and a second portion located in the second unit region. The shortest distance between the first portion and the first opening region is larger than the shortest distance between the second portion and the first opening region, and an aperture ratio of the first portion in the first unit region is larger than an aperture ratio of the second portion in the second unit region.

Abstract: A plate changer includes a casing that stores a sample plate and one or a plurality of first rack plates that each support the sample plate. One or a plurality of plate supporters that respectively support the one or plurality of first rack plates at different heights are provided in the casing. Each first rack plate is configured to be supportable on and removable from any of the one or plurality of plate supporters. The plate changer further includes a detector that detects whether the first rack plate is supported on each plate supporter.