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公开(公告)号:US20110246118A1
公开(公告)日:2011-10-06
申请号:US12750814
申请日:2010-03-31
CPC分类号: G01N21/278 , G01N21/274 , G01N21/645 , G01N2201/0221
摘要: Some embodiments provide methods for calibrating a fluorometer in order to account for one or more optical properties of a water sample affecting fluorescence measurements. In some cases one or more calibration solutions are prepared with sample water from a specific field site. Fluorescence measurements are taken from a water sample and one or more of the calibration solutions, and calibration parameters are determined based on the measurements. In some cases a calibration solution is prepared by spiking sample water to include a higher concentration of a fluorescent tracer and measurements are taken to characterize a calibration slope coefficient. In some cases a calibration solution is prepared by adding an acid and measurements are taken to characterize a background fluorescence in the sample.
摘要翻译: 一些实施方案提供校准荧光计的方法,以便考虑影响荧光测量的水样品的一种或多种光学性质。 在某些情况下,使用来自特定场地的样品水制备一种或多种校准溶液。 从水样品和一个或多个校准溶液中取出荧光测量,并且基于测量确定校准参数。 在一些情况下,通过加样样品水以制备更高浓度的荧光示踪剂并且进行测量以表征校准斜率系数来制备校准溶液。 在某些情况下,通过添加酸制备校准溶液,并进行测量以表征样品中的背景荧光。
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公开(公告)号:US08248611B2
公开(公告)日:2012-08-21
申请号:US12750811
申请日:2010-03-31
IPC分类号: G01N21/00
CPC分类号: G01J1/02 , G01J1/0219 , G01J1/0233 , G01J1/0271 , G01N21/534 , G01N21/645 , G01N33/1886 , G01N2201/0221
摘要: Embodiments provide a handheld optical measuring device and method of measuring an optical property of a liquid sample. In some embodiments the optical measuring device includes a handheld controller module having an immersible sensor head and a sampling member including a sample cup and an attachment member that couples the sample cup to the handheld controller module. In some embodiments the attachment member is an elongated rigid member that is hingedly coupled to the controller module, thus providing a folding configuration for enclosing the sensor head with the sample cup during measurements, transportation, and/or storage. In some embodiments the attached sample cup provides a protective shell for the immersible sensor head during use and/or when not in use.
摘要翻译: 实施例提供了一种测量液体样品的光学特性的手持式光学测量装置和方法。 在一些实施例中,光学测量装置包括手持式控制器模块,其具有可浸入式传感器头部和采样构件,该采样构件包括样品杯和将样品杯连接到手持式控制器模块的附接构件。 在一些实施例中,附接构件是细长的刚性构件,其铰接地联接到控制器模块,从而提供折叠构造,用于在测量,运输和/或存储期间将传感器头与样品杯封闭。 在一些实施例中,附接的样品杯在使用和/或不使用时提供用于可浸入式传感器头的保护壳。
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