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    • 4. 发明公开
    • METHOD FOR ANALYSING A SAMPLE COMPRISING AT LEAST A FIRST AND A SECOND SCALE INHIBITOR
    • 分析包含至少第一种和第二种规模抑制剂的样品的方法
    • EP3273227A1
    • 2018-01-24
    • EP17188326.7
    • 2014-11-18
    • Kemira Oyj
    • NUUTINEN, VesaTOIVONEN, SusannaJOHNSTONE, JamesHÄRMÄ, HarriLEHMUSTO, MirvaTIITTANEN, SatuVÄISÄNEN, PaveSIIVONEN, JoonasMUNDILL, Paul
    • G01N21/64G01N21/77
    • The invention relates to a method for analysing a sample comprising at least a first and a second scale inhibitor, which scale inhibitors are synthetic organic compounds comprising at least one ionised group. The method comprises optionally diluting and/or purifying the sample, and allowing the sample interact with a reagent comprising lanthanide(III) ion. The sample is excited at a first excitation wavelength and a sample signal deriving from the lanthanide(III) ion is detected at a signal wavelength by using time-resolved luminescence measurement. The total concentration of the first and the second scale inhibitor is determined by using the detected sample signal, and the concentration of the first scale inhibitor in the sample is determined. The concentration of the second scale inhibitor is determined mathematically by using the obtained results for the total concentration and for the first scale inhibitor concentration.
    • 本发明涉及分析包含至少第一和第二水垢抑制剂的样品的方法,所述水垢抑制剂是包含至少一个离子化基团的合成有机化合物。 该方法包括任选地稀释和/或纯化样品,并使样品与包含镧系元素(III)离子的试剂相互作用。 样品在第一激发波长下被激发,并且通过使用时间分辨发光测量在信号波长下检测衍生自镧系元素(III)离子的样品信号。 通过使用检测到的样品信号确定第一和第二阻垢剂的总浓度,并确定样品中第一阻垢剂的浓度。 第二种阻垢剂的浓度通过使用所获得的总浓度和第一种阻垢剂浓度的结果在数学上确定。