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    • 1. 发明专利
    • Analysis equipment
    • 分析仪
    • JP2014182078A
    • 2014-09-29
    • JP2013058063
    • 2013-03-21
    • Sumika Chemical Analysis Service Ltd株式会社住化分析センター
    • KUDO KAZUHIROKANEKO HIROSHI
    • G01N31/00G01N31/12
    • PROBLEM TO BE SOLVED: To provide a small-sized analyzer including a flow path switching mechanism capable of easily switching flow paths.SOLUTION: The analyzer includes: a reaction tube that causes a sample as an analysis object to react with oxygen to generate a sample gas; a circulation path that circulates the sample gas to the reaction tube via a measuring tube for measuring the sample gas; a first supply path that supplies the reaction tube with the oxygen; a measuring unit that measures a content of each component of the sample gas; a second supply path that supplies the measuring unit with the sample gas measured by the measuring tube; a first flow path switching mechanism that is disposed between the circulation path and the first supply path, and electromagnetically switches between the supply of the oxygen to the reaction tube and the circulation of the sample gas to the reaction tube; and a second flow path switching mechanism that is disposed between the measuring tube and the second supply path, and electromagnetically switches between the circulation of the sample gas to the reaction tube and the supply of the sample gas measured by the measuring tube to the measuring unit.
    • 要解决的问题:提供一种小型分析器,其包括能够容易地切换流路的流路切换机构。解决方案:分析仪包括:使作为分析对象的样品与氧反应以产生样品的反应管 加油站; 循环路径,其通过用于测量样品气体的测量管将样品气体循环到反应管; 向反应管供给氧的第一供给路径; 测量单元,其测量样品气体的每个组分的含量; 向测量单元供给由测量管测量的样品气体的第二供应路径; 第一流路切换机构,其设置在所述循环路径和所述第一供给路径之间,并且在向所述反应管供给氧和所述样品气体向所述反应管的循环之间进行电磁切换; 以及第二流路切换机构,其设置在所述测量管和所述第二供给路径之间,并且在所述样品气体与所述反应管的循环之间进行电磁切换,并且将由所述测量管测量的样品气体供应到所述测量单元 。
    • 2. 发明专利
    • Analyzer
    • 分析仪
    • JP2014182081A
    • 2014-09-29
    • JP2013058066
    • 2013-03-21
    • Sumika Chemical Analysis Service Ltd株式会社住化分析センター
    • KUDO KAZUHIROKANEKO HIROSHI
    • G01N31/12G01N31/00
    • PROBLEM TO BE SOLVED: To provide an analyzer dispensing with an extra space for replacing a reaction tube.SOLUTION: An analyzer includes: a reaction tube that causes a sample to be analyzed to react with oxygen; an electric furnace that stores the reaction tube and adjusts a temperature inside the reaction tube; and a movable base for rotationally turning the electric furnace about an axis. Preferably, the movable base can be rotationally turned about a line as the axis, the line being on a line formed by extending a direction of supplying the sample or being parallel to the line and being perpendicular to the upper face of the movable base. Preferably, the movable base can be rotationally turned about a line as the axis, the line being perpendicular to a line formed by extending a direction of supplying the sample and the line along one end of the movable base. The electric furnace preferably has a rectangular parallelepiped shape.
    • 要解决的问题:提供一种分配器,用于更换反应管的额外空间。解决方案:分析器包括:使分析样品与氧反应的反应管; 存储反应管并调节反应管内的温度的电炉; 以及用于使电炉围绕轴线旋转转动的可动基座。 优选地,可移动基座可以围绕作为轴的线旋转地转动,线处于通过延伸供应样本的方向或者平行于线并且垂直于可移动基座的上表面而形成的线上。 优选地,可移动基座可以围绕作为轴的线旋转地旋转,线垂直于通过沿着可移动基座的一端延伸提供样本和线的方向而形成的线。 电炉优选具有长方体形状。
    • 3. 发明专利
    • Analytical method and analyzer
    • 分析方法和分析仪
    • JP2014182082A
    • 2014-09-29
    • JP2013058067
    • 2013-03-21
    • Sumika Chemical Analysis Service Ltd株式会社住化分析センター
    • KUDO KAZUHIROKANEKO HIROSHI
    • G01N31/12G01N31/00
    • PROBLEM TO BE SOLVED: To provide an analytical method capable of efficiently analyzing a sample, without reducing analysis accuracy and reproducibility of measured values.SOLUTION: The analytical method of the present invention for measuring the content of each component contained in a sample, by burning and decomposing the sample in a reaction tube under the existence of oxygen includes: a first step (Fig. 1(a)) of supplying the sample into the reaction tube, after that, supplying oxygen into the reaction tube and substituting oxygen for gas in the reaction tube; a second step (Fig. 1(b)) of burning and decomposing the sample in the reaction tube to obtain sample gas, and circulating the sample gas in a circulation path; and a third step (Fig. 1(c)) of analyzing a part or the whole of the sample gas in the circulation path, and thereby measuring the content of each component contained in the sample. While the third step is executed for one sample, one of the first step and the second step is executed for another sample different from one sample.
    • 要解决的问题:提供能够有效分析样品的分析方法,而不降低测量值的分析精度和再现性。解决方案:本发明的分析方法,用于测量样品中包含的每种组分的含量,通过燃烧 在氧气存在下在反应管中分解样品包括:将样品供应到反应管中的第一步骤(图1(a)),然后向反应管中供氧并用氧代替气体 反应管; 在反应管中燃烧和分解样品以获得样品气体并使样品气体在循环路径中循环的第二步骤(图1(b)); 以及分析循环路径中的一部分或全部样品气体的第三步骤(图1(c)),从而测量样品中包含的每个组分的含量。 当对于一个样本执行第三步时,对于与一个样本不同的另一个样本执行第一步骤和第二步骤中的一个。
    • 5. 发明专利
    • Total nitrogen/total carbon measuring device
    • 总氮/总碳测量装置
    • JP2014182083A
    • 2014-09-29
    • JP2013058068
    • 2013-03-21
    • Sumika Chemical Analysis Service Ltd株式会社住化分析センター
    • KUDO KAZUHIROKANEKO HIROSHI
    • G01N31/00G01N30/88G01N31/12
    • PROBLEM TO BE SOLVED: To provide a total nitrogen/total carbon measuring device which is small-sized, and is provided with a separation column excellent in separation performance and allowing adsorption capacity of the whole amount of an adsorption agent to be stabilized in a short period of time.SOLUTION: An inventive total nitrogen/total carbon measuring device comprises: a reaction tube for generating a sample gas by making a sample as an analysis object and oxygen react with each other; and a separation column for separating components contained in the sample gas generated in the reaction tube for each of the components. The separation column is configured by a through hole formed in a heat conduction member and has a ventilation path allowing the sample gas to pass therethrough and an adsorption agent filled inside the ventilation path. A length Lfrom an introduction part to a discharge part of the sample gas of the ventilation path is less than 500 mm, and an average particle diameter Rof the adsorption agent is equal to or less than 100 μm. Assuming that the mass of the adsorption agent filled inside the ventilation path is M(g) and the specific surface area of the adsorption agent is S(m/g), the following relational expression is satisfied: 300≤M×S≤7000.
    • 要解决的问题:提供一种小型的总氮/总碳测量装置,并且具有分离性能优异的分离塔,并且使全部量的吸附剂在短时间内稳定化的吸附能力 时间段。解决方案:本发明的总氮/总碳测量装置包括:通过使样品作为分析对象并且氧彼此反应来产生样品气体的反应管; 以及分离塔,用于分离在每个组分中在反应管中产生的样品气体中所含的组分。 分离柱由形成在导热构件中的通孔构成,并且具有允许样品气体通过的通气路径和填充在通气路径内的吸附剂。 从通气路径的样品气体的导入部到排出部的长度L小于500mm,吸附剂的平均粒径Rof为100μm以下。 假设填充在通气路径内的吸附剂的质量为M(g),吸附剂的比表面积为S(m / g),满足以下关系式:300≤M×S≤7000。
    • 6. 发明专利
    • Analysis equipment
    • 分析仪
    • JP2014182080A
    • 2014-09-29
    • JP2013058065
    • 2013-03-21
    • Sumika Chemical Analysis Service Ltd株式会社住化分析センター
    • KUDO KAZUHIROKANEKO HIROSHI
    • G01N31/12G01N31/00
    • PROBLEM TO BE SOLVED: To provide a small-sized analyzer incorporating a moisture removal unit being hardly damaged.SOLUTION: The analyzer includes: a reaction tube that causes a sample as an analysis object to react with oxygen; a moisture removal unit that, in a sample gas and steam generated by the reaction between the oxygen and the sample in the reaction tube, condenses the steam into water and removes the water; and a measuring unit that measures a content of each component of the sample gas. The moisture removal unit includes: a cooling block; a hollow path that is disposed along the periphery of the cooling block, allows the steam generated by the reaction tube to pass, and condenses the steam into water; and a moisture storage unit for storing the water condensed in the hollow path.
    • 要解决的问题:提供一种小型分析仪,其包含难以损坏的除湿单元。解决方案:分析仪包括:使作为分析对象的样品与氧反应的反应管; 在通过反应管中的氧和样品之间的反应产生的样品气体和蒸汽中的水分去除单元将蒸汽冷凝成水并除去水; 以及测量单元,其测量样品气体的每个组分的含量。 除湿单元包括:冷却块; 沿着冷却块的周边设置的中空路径允许由反应管产生的蒸汽通过,并将蒸汽冷凝成水; 以及用于储存在所述中空路径中冷凝的水的储水单元。
    • 7. 发明专利
    • Silica gel carrier and optical resolution method using it
    • 二氧化硅凝胶载体和使用它的光学分辨率方法
    • JP2007033436A
    • 2007-02-08
    • JP2006172256
    • 2006-06-22
    • Sumika Chemical Analysis Service Ltd株式会社住化分析センター
    • NISHIOKA RYOTAKANEKO HIROSHIMATSUMOTO TAKAHARUSUGIHARA TERUKAZU
    • G01N30/88G01N30/26G01N30/46
    • PROBLEM TO BE SOLVED: To provide a silica gel carrier allowing optical resolution of a compound with a very low diffusion coefficient with higher resolution and causing less pressure loss during liquid supply of a mobile phase in use for liquid chromatography.
      SOLUTION: This silica gel carrier has a coating layer of optically active organic compound on a silica gel surface having a double pore structure constructed of through pores with a pore size of 0.5-4 μm and mesopores with that of 2-50 nm. The optically active organic compound includes at least one asymmetric carbon atom inside the molecule, and two binding sites of the asymmetric carbon atom connect with a carbonyl group which may has a substituent, an amino group which may has a substituent, a hydroxyl group, or a thiol group. Other two binding sites of the asymmetric carbon atom connect with a hydrogen atom or a carbon atom.
      COPYRIGHT: (C)2007,JPO&INPIT
    • 要解决的问题:提供一种硅胶载体,其允许具有较高分辨率的非常低扩散系数的化合物的光学拆分,并且在用于液相色谱的流动相的液体供应期间引起较少的压力损失。 解决方案:该硅胶载体在硅胶表面上具有光学活性有机化合物的涂层,该涂层具有由孔径为0.5-4μm的孔和2-50nm的中孔构成的双孔结构 。 光学活性有机化合物包括分子内至少一个不对称碳原子,不对称碳原子的两个结合位置与可以具有取代基的羰基,可以具有取代基的氨基,羟基或 硫醇基。 不对称碳原子的其他两个结合位点与氢原子或碳原子连接。 版权所有(C)2007,JPO&INPIT