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    • 2. 发明申请
    • LEAD ASSAY
    • 铅测试
    • US20110294222A1
    • 2011-12-01
    • US13139364
    • 2009-12-08
    • Jacques DelaireIsabelle LerayJean-Pierre LefevreLiyun ZhaoTing Wu
    • Jacques DelaireIsabelle LerayJean-Pierre LefevreLiyun ZhaoTing Wu
    • G01N21/64
    • G01N21/643B01F5/061B01F13/0059B01F2005/0621B01F2005/0636B01L2200/027B01L2200/10B01L2300/0654B01L2300/0816B01L2300/0867B01L2400/086G01N1/4044G01N1/405G01N21/645G01N31/22G01N33/1813G01N2021/7786
    • Process for metering lead in a sample of original water, in which is placed a sample of the water of which at least a substantial portion of the colloidal and organic material is passed in solution (sample of pretreated water), having: a first stage, starting from a sample of pretreated water with an adjusted pH, the lead is concentrated and the other parasitic ions are at least partially eliminated to obtain a sample of water that is concentrated with lead and substantially lacking in other parasitic ions (sample of lead-concentrated water); and a second stage in which, starting from the sample of lead-concentrated water, the sample of lead-concentrated water is mixed with a selective, lead-sensitive fluorescent probe whose fluorescence intensity/lead metering function is known; then, the thus produced water/fluorescent probe mixture is excited by the light, and the fluorescence intensity of the thus excited water/fluorescent probe mixture is collected optically; finally, starting from the thus detected fluorescence intensity, the lead metering of the sample to be metered is determined based on the fluorescence intensity/lead metering function.
    • 在原水的样品中计量铅的方法,其中放置有至少大部分胶态和有机材料的水通过溶液(预处理水样品)的水样品,其具有:第一阶段, 从调整pH值的预处理水样品开始,铅被浓缩,其他寄生离子至少部分地被去除,以获得用铅浓缩并基本上不含其他寄生离子的水样品(铅浓缩样品 水); 第二阶段,从铅浓缩水样品开始,铅浓缩水样品与已知荧光强度/铅计量功能的选择性铅敏感荧光探针混合; 然后,将由此产生的水/荧光探针混合物用光激发,并且由此激发的水/荧光探针混合物的荧光强度被光学收集; 最后,从这样检测到的荧光强度开始,基于荧光强度/铅计量功能确定要计量的样品的铅计量。