中文摘要：

汞是对环境有害的主要重金属之一，催化动力学光度法是痕量汞的重要测定方法。本文按化学反应类型，分别介绍了催化动力学光度法中的配位体交换法、络合法、氧化还原法、阻抑法和酶催化法等。

英文摘要：

Mercury is one primary element of the heavy metals which are harmful to the environment, and the catalytic kinetic spectrophotometer is the main technique of mercury determination. The reaction types of catalytic kinetic spectrophotometer include exchange ligands reaction, complex reaction, redox process, inhibitory reaction and enzyme catalysis reaction.