PURPOSE:To improve the accuracy in analysis in an analyzing apparatus which is assembled in a closet by providing a washing means for washing urine which is attached to a table for mounting a test piece, and providing a washing-water removing means for removing the attached washing water. CONSTITUTION:A washing-water jetting nozzle 51 is arranged at the side which does not interfere with the back and forth movement of a table 15. An aspirator wherein a venturi part is formed is provided. The above described aspirator has three tube connecting pipes. A washing-water feeding tube, a sucking tube which is connected to a sucking hole 15-3 of the table 15 and a washing-water draining tube are connected to the above described tube connecting pipes. After the end of the analysis, the washing water is jetted through the nozzle 51, and the front surface of the table 15 is washed. Then, compressed air is jetted through a compressed-air jetting nozzle 40, and the washing water attached to the table 15 is blown out. The extra washing water is drained through the above described aspirator.
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