| 摘要 |
A rotor, which has a center and a periphery, of a centrifuge analysis device. The rotor comprises, from the center of the periphery: central receptacles for liquids to be diluted before analysis; calibration vessels and overflow vessels disposed circumferentially adjacent to each other in respect to a circle concentric with the rotor; a mixing vessel communicating with each calibration vessel; and a plurality of measuring cells, each connected to the mixing vessel through a duct. Each calibration vessel is further provided with: a feed orifice through which it comunicates with one of the central receptacles; an exit orifice located in the wall of said calibration vessel opposite the feed orifice and permanently open; and an overflow orifice located at a position between said feed and exit orifices and through which the calibration vessel is connected to one of the overflow vessels. The exit orifice of each calibration vessel has a cross-sectional area much smaller as compared to that of the feed and overflow orifices, such that during the time taken to fill the calibration vessel, practically no fluid escapes from the exit orifice.
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