A kinetic-fluorimetric quenching method for determination of trace Cu(ⅱ) was developed in this paper. The method was based on the catalytic effect of Cu(ⅱ) on oxidation of acridine orange by hydrogen peroxide in a NH_3 · H_2O-NH_4Cl buffer medium.

  • 研究了在NH3·H2O-NH4Cl缓冲介质中,痕量Cu(Ⅱ)对过氧化氢氧化荧光剂吖啶橙而荧光猝灭反应存在明显的催化作用,由此建立了动力学荧光法测定痕量铜的新方法。

  • 互联网 2025-03-09 23:32:33

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