Patent ID: 7951335

Claim:
A reaction vessel being a reaction vessel that has: a storage chamber in which a liquid is storable, that has an opening part, a reaction chamber that is formed thinner or narrower than said storage chamber, and wherein at least a portion of said reaction chamber has a translucence or a semi-translucence; and at least one flow passage that communicates between said storage chamber or the exterior and said reaction chamber, and said vessel is formed such that it is connectable to a liquid introducing section provided externally, and the liquid can be introduced into said reaction chamber by connecting to said liquid introducing section, and comprising a flow passage which, as well as communicating between said storage chamber and said reaction chamber, communicates between said reaction chamber and the exterior, and said liquid introducing section has a nozzle and a suction and discharging section that performs suction and discharging of gas via said nozzle, and the opening part of said storage chamber is connectable by means of said nozzle, and said reaction chamber is, within a pipette tip comprising a thick diameter section and a thin diameter section that is thinner than said thick diameter section, a gap formed between an outer face of a core which is stored inside an inner face of said pipette tip in which a spacer is intermediately present, and the inner face of said pipette tip, said storage chamber is a space within said thick diameter section formed above said reaction chamber, a thin diameter section of said pipette tip is a flow passage that communicates between the exterior and said reaction chamber, and an opening part of said thick diameter section is connectable by means of said nozzle.