A colotimetric method for the determination of nanogram amount of mercury based on the formation of the red complex with Thio-Michlers ketone is described. The pH of the solution is adjusted to 4～6 with a acetate buffer. The calibration curve for mercury was linear withina range of 0.515 ug/25m1(ε550nm = 1.5 × 105).
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张丁夫,1983,硫代米蚩酮比色法测定微量汞[J].岩石矿物学杂志,2(1):63~64.,1983,Colorimetric Determination of Trace Mercury With Thio-一Michlers Ketone[J]. Acta Petrologica et Mineralogica,2(1):63~64.
