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    • 1. 发明授权
    • Flow injection nonaqueous solvent neutralization titration process and
apparatus
    • 流动注射非溶剂中和滴定法和装置
    • US5212095A
    • 1993-05-18
    • US854092
    • 1992-03-19
    • Kojiro MikiShinji TakeichiHiromi Ohkawa
    • Kojiro MikiShinji TakeichiHiromi Ohkawa
    • G01N31/16G01N33/03G01N33/28
    • G01N33/03G01N31/16G01N33/2876Y10S436/826Y10T436/117497
    • A flow injection nonaqueous solvent neutralization titration process and system is provided. The predetermined quantity of a known titrant is used to derived calibration values based on different predetermined concentrations of a desired component in a sample. The quantity of the titrant agent in excess of an amount necessary to completely react with the sample is added and then subsequently the amount of the unreactant titrant agent is determined. From this value, the calibration values that have been stored, for example, in a look-up table can be used to determine the actual concentrations of the desired component in the sample. Alternatively, the sample can be mixed in a fluid carrier solution having a predetermined quantity of the titrant agent and then the resulting by-products of the reaction with the sample and the titrant can be inserted into a pH buffer solution so that the excess titrant will change the concentration ratio of the acids to bases and by measuring this change and comparing with the calibration values, the unknown concentration of the desired component in the sample can be discovered.
    • 提供流动注射非水溶剂中和滴定法和系统。 使用预定量的已知滴定剂基于样品中期望组分的不同预定浓度导出校准值。 添加超过与样品完全反应所需量的滴定剂的量,然后测定未反应剂滴定剂的量。 从该值,已​​经存储在例如查找表中的校准值可用于确定样品中所需组分的实际浓度。 或者,可以将样品混合在具有预定量的滴定剂的流体载体溶液中,然后将所得到的与样品的反应副产物和滴定剂插入pH缓冲溶液中,使得过量滴定剂 将酸的浓度比改变为碱,并通过测量该变化并与校准值进行比较,可以发现样品中所需组分的未知浓度。
    • 5. 发明授权
    • Electrode assembly
    • 电极组件
    • US08877026B2
    • 2014-11-04
    • US13435897
    • 2012-03-30
    • Hisashi YamanouchiHiromi OhkawaKoji Ueda
    • Hisashi YamanouchiHiromi OhkawaKoji Ueda
    • G01N27/333G01N27/403G01N27/28G01N27/414
    • G01N27/283G01N27/414
    • The electrode assembly is provided with: a rod-like body 1 that extends along a predetermined axis; a substrate that is formed with a through-hole penetrating between a front surface and a back surface and attached to a fore end part of the body; and a sensor chip for electrochemical measurement, which is attached on the back surface of the substrate such that a sensing part is exposed outside from the through-hole, wherein: on the back surface of the substrate, a wiring for obtaining an output signal from the ISFET chip is formed, and the sensor chip is attached to the wiring directly or closely; and the substrate is attached with being inclined with respect to the predetermined axis of the body, and thereby the front surface of the substrate forms at least a part of a fore end surface that is inclined with respect to the predetermined axis.
    • 电极组件设置有:沿预定轴线延伸的杆状体1; 形成有穿透前表面和后表面之间的通孔的基底,并附着到身体的前端部; 以及用于电化学测量的传感器芯片,其安装在所述基板的背面上,使得感测部分从所述通孔暴露在外部,其中:在所述基板的背面上,用于获得来自 形成ISFET芯片,并且将传感器芯片直接或紧密地附接到布线; 并且基板相对于本体的预定轴线倾斜地附接,从而基板的前表面形成相对于预定轴线倾斜的前端表面的至少一部分。