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    • 1. 发明公开
    • Pressurized reaction block
    • Druckreaktionsblock
    • EP1055452A3
    • 2001-09-19
    • EP00110336.5
    • 2000-05-13
    • Mettler-Toledo GmbH
    • Harness, James R.Haidle, Rudy H.Markus, Larry W.Gallup, David A.Grzybowski, Andrew J.
    • B01J19/00B01J3/04G01N11/14
    • G01N11/14B01F13/0818B01F15/00123B01F15/00246B01F2013/1091B01J3/04B01J3/048B01J19/0046B01J2219/00283B01J2219/00308B01J2219/00335B01J2219/00337B01J2219/00344B01J2219/00373B01J2219/00389B01J2219/00481B01J2219/00495B01J2219/00585B01J2219/0059B01J2219/00596B01J2219/00601B01L7/00C40B60/14G01N2035/00534
    • A reaction block assembly (11) of reaction vessels (13) for conducting chemical reactions under pressure. The assembly (11) includes a heat conductive reactive block (31,131) having reaction vessel (13) receiving openings (41,133) formed in the block (31,131). A heat exchanger (49) is mounted in heat transfer engagement with some of the exterior walls (39) of the reaction block (31,131). The heat exchangers (49) can operate in different modes, to provide a heat differential across the reaction block (31,131). A reaction vessel (13) is positioned in each reaction vessel receiving opening (41,133) in the block (31,131). A cap (81) is attached to each reaction vessel (13) and a cannula opening is formed in each cap (81). A cannula passage (111) is connected at one end to a cannula opening in each cap (81) and it has a septum (203) at the other end. A valve (193) controls each cannula passage (111). An operating mechanism is provided for opening and closing each cannula passage controlling valve (193). The reaction block assembly (11) may be used to determine when the reaction of a solution in a reaction vessel (13) is completed. This is accomplished by using a calibration curve comparing the frequency of rotation of the stirring bar (73) with the viscosity of the reaction solution in which the frequency is inversely proportional to the viscosity. The time interval at which the stir bar (73) decouples from rotation with the driving magnet is determined. This time interval of decoupling is compared with the calibration table to determine the viscosity of the solution at the time the reaction was completed which takes place at the time the stir bar (73) was decoupled.
    • 用于在压力下进行化学反应的反应容器的反应块组件。 该组件包括具有形成在块中的反应容器接收开口的导热反应性块。 热交换器安装成与反应块的一些外壁传热接合。 热交换器可以以不同的模式操作,以在反应块上提供热差。 反应容器位于块体中的每个反应容器接收开口中。 在每个反应容器上连接一个盖子,并且在每个盖子中形成套管开口。 套管通道在一端连接到每个帽中的套管开口,并且在另一端具有隔膜。 一个阀门控制每个插管通道。 提供了用于打开和关闭每个插管通道控制阀的操作机构。 反应块组件可用于确定反应容器中溶液的反应何时完成。 这通过使用将搅拌棒的旋转频率与其中频率与粘度成反比的反应溶液的粘度进行比较的校准曲线来实现。 确定搅拌棒与驱动磁体与旋转分离的时间间隔。 将该去耦的时间间隔与校准表进行比较,以确定在搅拌棒解耦时发生的反应完成时溶液的粘度。