| 摘要 |
PURPOSE:To improve the analytical treatment capacity for specimen by setting a reagent dispensing position, sample dispensing position, and optical measuring position in prescribed dispositions so that a series of processes necessary for analysis can be made in a short period. CONSTITUTION:This automatic analyzer A is constituted as an apparatus for making immunological chemical analysis utilizing a latex agglutination reaction method and has a sample vessel holder 2 which holds a required number of sample vessels 1 into a loop state, a driving device 3, a reaction vessel holder 5 which holds a required number of reaction vessels 4 having specimen housing holes 41, and a driving device 6 which controls the forward and backward step rotation of the holder 5. The optical measuring position (c) is set near the center of the reagent dispensing position (a) and sample dispensing position (b) set in an angle range of <180 deg.. Photometry is executed twice in a short period by rotating the vessels 4 forward and backward and the analytical treatment capacity is thus improved.
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