公开(公告)号：US08724106B2

公开(公告)日：2014-05-13

申请号：US13337796

申请日：2011-12-27

申请人： Euo Chang Jung ,  Hye-Ryun Cho

发明人： Euo Chang Jung ,  Hye-Ryun Cho

IPC分类号： G01J3/44

CPC分类号： G01N21/64 ,  G01J3/44 ,  G01N21/65 ,  G01N33/1813

摘要： Disclosed herein is a method of quantitatively analyzing uranium in an aqueous solution, the method comprising measuring Raman scattering intensity of water and luminescence intensity of uranium standard solutions having various concentrations (Operation 1); calculating a ratio of the uranium luminescence intensity to the Raman scattering intensity of water for each uranium concentration and plotting a calibration curve therethrough (Operation 2); and measuring Raman scattering intensity of water and uranium luminescence intensity of an unknown sample, calculating a ratio of the measured intensities and determining a uranium concentration thereof by using the calibration curve (Operation 3).When the quantitative analysis method of uranium in an aqueous solution according to the present invention is used, inconvenience of a typical analysis method, in which repetitive measurements of calibration curves are required according to various measurement conditions, may be removed.

摘要翻译： 本文公开了一种在水溶液中定量分析铀的方法，该方法包括测量水的拉曼散射强度和具有各种浓度的铀标准溶液的发光强度（操作1）; 计算每个铀浓度的铀发光强度与水的拉曼散射强度的比率，并绘制通过其的校准曲线（操作2）; 并测量未知样品的水和铀发光强度的拉曼散射强度，使用校正曲线计算测量强度的比例并测定其铀浓度（操作3）。 当使用根据本发明的水溶液中的铀的定量分析方法时，可以去除根据各种测量条件需要校准曲线的重复测量的典型分析方法的不便。

公开(公告)号：US20120176603A1

公开(公告)日：2012-07-12

申请号：US13337796

申请日：2011-12-27

申请人： Euo Chang Jung ,  Hye-Ryun Cho

发明人： Euo Chang Jung ,  Hye-Ryun Cho

IPC分类号： G01J3/44 ,  G01N21/64

CPC分类号： G01N21/64 ,  G01J3/44 ,  G01N21/65 ,  G01N33/1813

摘要： Disclosed herein is a method of quantitatively analyzing uranium in an aqueous solution, the method comprising measuring Raman scattering intensity of water and luminescence intensity of uranium standard solutions having various concentrations (Operation 1); calculating a ratio of the uranium luminescence intensity to the Raman scattering intensity of water for each uranium concentration and plotting a calibration curve therethrough (Operation 2); and measuring Raman scattering intensity of water and uranium luminescence intensity of an unknown sample, calculating a ratio of the measured intensities and determining a uranium concentration thereof by using the calibration curve (Operation 3).When the quantitative analysis method of uranium in an aqueous solution according to the present invention is used, inconvenience of a typical analysis method, in which repetitive measurements of calibration curves are required according to various measurement conditions, may be removed.

摘要翻译： 本文公开了一种在水溶液中定量分析铀的方法，该方法包括测量水的拉曼散射强度和具有各种浓度的铀标准溶液的发光强度（操作1）; 计算每个铀浓度的铀发光强度与水的拉曼散射强度的比率，并绘制通过其的校准曲线（操作2）; 并测量未知样品的水和铀发光强度的拉曼散射强度，使用校正曲线计算测量强度的比例并测定其铀浓度（操作3）。 当使用根据本发明的水溶液中的铀的定量分析方法时，可以去除根据各种测量条件需要校准曲线的重复测量的典型分析方法的不便。

公开(公告)号：US07679743B1

公开(公告)日：2010-03-16

申请号：US12345424

申请日：2008-12-29

申请人： Euo Chang Jung ,  Hye-Ryun Cho ,  Kyoung Kyun Park ,  Jei-Won Yeon ,  Kyuseok Song

发明人： Euo Chang Jung ,  Hye-Ryun Cho ,  Kyoung Kyun Park ,  Jei-Won Yeon ,  Kyuseok Song

IPC分类号： G01N15/02

CPC分类号： G01N15/0205 ,  G01N2015/0038

摘要： The present invention relates to an apparatus and method for measuring the size of nanoparticles present in an aqueous solution as an infinitesimal quantity, and, more particularly, to a scheme that remotely measures the laser-induced breakdown of a fine nanoparticle using a probe beam in a non-contact manner, performs curve fitting on the symmetrical frequency distribution curve of the measured magnitude of a probe beam signal to form the shape of a Gaussian function, obtains calibration curves for the size of the nanoparticle from the peak and full-width at half-maximum thereof, and determines the size of an unknown nanoparticle from the calibration curves.

摘要翻译： 本发明涉及一种用于测量水溶液中存在的纳米颗粒尺寸作为无穷小量的装置和方法，更具体地说，涉及使用探针束远程测量精细纳米颗粒的激光诱导击穿的方案 以非接触的方式对探测光束信号的测量幅度的对称频率分布曲线进行曲线拟合，形成高斯函数的形状，从峰值和全宽度获得纳米颗粒尺寸的校准曲线 并从校准曲线确定未知纳米颗粒的尺寸。