| 摘要 |
This invention provides a stirrer, which stirs a liquid, held by a vessel, by sound waves, and an analyzer. An stirrer (20) is provided with a surface acoustic wave element (24) which generates sound waves to be applied to the liquid and a drive controller (21) which controls the temperature of the liquid increased by the sound waves emitted by the surface acoustic wave element at a predetermined temperature or less. The drive controller (21) controls the temperature of the liquid in accordance with characteristics of heat of the liquid. The analyzer, which stirs and reacts a plurality of different liquids to measure an optical property of the reaction liquid, and, thus to analyzer the reaction liquid, stirs a specimen and a reagent using the stirrer to optically analyze the reaction liquid.
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