| 摘要 |
PURPOSE:To determine and measure the state of flocculation objectively with good reproducibility by slowly moving a finely divided particle suspension in a capillary tube thereby separating the same to the deposited layer of flocculated lumps and the suspension layer of nonflocculated particles. CONSTITUTION:when the reacting liquid 3' in a sample vessel 15 is sucked at a constant rate from a nozzle 11 by the suction effect of a pump 13, the nozzle 11 is pulled up from the reacting liquid by a nozzle driving device 16 and sucks air 2. The luquid 3' turns to the vacuoles 3 which are sandwiched at the front and rear thereof by air layers 3 in a capillary tube 1. these cell are slowly moved in an arrow direction by the pump 13 until they arrive at the optical measuring means 12 provided in the tube 11. During this time, the flocculation reaction of the reacting liquid in the liquid cells progresses, and flocculated lumps 5 deposit in the leading end parts of the cells 3 and nonflocculated latex particles 4 suspend in the backward reacting liquid. Since the reacting liquid is moving while being stirred, the particles 4 are distributed roughly uniformly and the concns. thereof correspond to the degrees of flocculation of the latex flocculation reaction. These are measured by the optical measuring means 12 and are displayed in a display device 17.
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