Importance

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Abstract

This automatic analysis apparatus is provided with: an analysis port comprising a reaction container holding part that holds a reaction container storing the liquid mixture of a sample and a reagent, a light source that emits light to the liquid mixture stored in the reaction container held by the reaction container holding part, and a detector that detects light generated when the light from the light source is emitted to the liquid mixture; and a control unit that controls the analysis port, and analyzes the sample on the basis of information about the detected light. The automatic analysis apparatus is characterized in that: the surface of an inner wall of the reaction container holding part is configured to reflect at least a portion of the light emitted from the light source; and the control unit executes control so as to emit the light from the light source in a state where the reaction container is not held by the reaction container holding part, to detect the light reflected on the surface of the inner wall of the reaction container holding part by the detector, and to not use the analysis port for analysis when the result of the detection shows that the detected light is less than a first value determined in advance.

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First Claim