METHOD AND APPARATUS FOR MEASURING pH OF SOLUTION
    35.
    发明专利
    METHOD AND APPARATUS FOR MEASURING pH OF SOLUTION 有权
    用于测量溶液pH值的方法和装置

    公开(公告)号:JP2012170357A

    公开(公告)日:2012-09-10

    申请号:JP2011033371

    申请日:2011-02-18

    Abstract: PROBLEM TO BE SOLVED: To provide a method and apparatus for measuring a pH of a solution without requiring correction on a zero level with wavelengths around 700 nm where absorbency is hardly indicated by an indicator.SOLUTION: The method for measuring a pH of a solution includes: a light emission step of emitting light beams of two wavelengths from one side within a measuring region of the solution in which the indicator is mixed; a light receiving step of receiving the transmitted light beams and/or reflected light beams of the two wavelengths on the other side within the measuring region; an absorbance computing step of computing absorbances based on the transmitted light beams and/or reflected light beams received in the light receiving step; an absorbance ratio computing step of computing an absorbance ratio from the absorbances of the two wavelengths computed in the absorbance computing step; and a pH value computing step of computing a pH value of the solution based on the absorbance ratio and a previously stored absorbance ratio-pH correspondence database. The method for measuring a pH of the solution is characterized by including a step of executing the light emission step and the light receiving step of the light beams of the two wavelengths while pulsating the solution in the measuring region.

    Abstract translation: 要解决的问题:提供一种用于测量溶液的pH值的方法和装置,而不需要在波长约700nm的零电平上进行校正,其中吸收性几乎不由指示剂指示。 解决方案:用于测量溶液的pH的方法包括:发光步骤,从混合指示剂的溶液的测量区域内的一侧发射两个波长的光束; 光接收步骤,在测量区域内的另一侧上接收两个波长的透射光束和/或反射光束; 吸收计算步骤,基于在所述光接收步骤中接收的透射光束和/或反射光束来计算吸光度; 吸光度比计算步骤,计算在吸光度计算步骤中计算的两个波长的吸光度的吸光度比; 以及pH值计算步骤,基于吸光度比和预先存储的吸光度比 - pH对应数据库计算溶液的pH值。 用于测量溶液的pH的方法的特征在于包括在脉动测量区域中的溶液的同时执行两个波长的光束的发光步骤和光接收步骤的步骤。 版权所有(C)2012,JPO&INPIT

    Optical measuring device and an optical measuring method of sample

    公开(公告)号:JP2012515909A

    公开(公告)日:2012-07-12

    申请号:JP2011546885

    申请日:2009-10-13

    CPC classification number: G01N21/253 G01N21/6452 G01N2201/1211

    Abstract: 本発明による光学測定器は、光学的に測定されるサンプル103〜109を保持するように構成されたサンプルウエル111〜117からサンプルウエル特有の温度を測定するように構成された1つ又は複数の温度センサー122を備える。 光学測定器の処理装置121は、所定の数学的規則を用いて、測定されたサンプルウエル特有の温度に基づいて、光学測定によって取得された測定結果を補正するように構成される。 したがって、測定結果の温度補正の精度に対し、種々のサンプル間の温度差によってもたらされる悪影響が緩和される。

    New method for on-line measuring in simulated moving bed, and application to control and adjustment of the bed
    37.
    发明专利
    New method for on-line measuring in simulated moving bed, and application to control and adjustment of the bed 有权
    模拟移动板在线测量的新方法及其控制和调整应用

    公开(公告)号:JP2010210624A

    公开(公告)日:2010-09-24

    申请号:JP2010051202

    申请日:2010-03-09

    Applicant: Ifp イエフペ

    Abstract: PROBLEM TO BE SOLVED: To provide a new method of analysis for on-line concentration measurement of flow composition in hydrocarbon traveling within various separated bands of the simulated moving bed based on simultaneous measurement of Raman spectrum and temperature for a sample in the measuring point.
    SOLUTION: This invention is the method using an immersion probe and a thermocouple to measure concentration of a form existed in one point of a separator which functions in a manner of the simulated moving bed (SMB). The immersion probe is located in one of the flows entering or coming from one point inside the above separator or the separator itself, while the thermocouple is located near the immersion probe. Further the Raman spectrum obtained by using a laser light source which functions in wavelength of 785 nm is also used.
    COPYRIGHT: (C)2010,JPO&INPIT

    Abstract translation: 要解决的问题:提供一种新的分析方法,用于在模拟移动床的各种分离带内行进的烃流中的流动组成的在线浓度测量,基于同时测量拉曼光谱和样品的温度 测点。 解决方案:本发明是使用浸入式探针和热电偶来测量以模拟移动床(SMB)的方式起作用的分离器的一个点中存在的形式的浓度的方法。 浸入式探头位于进入或离开上述分离器或分离器本身内的一点的流中,而热电偶位于浸入式探针附近。 此外,还使用通过使用在785nm波长下起作用的激光光源获得的拉曼光谱。 版权所有(C)2010,JPO&INPIT

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