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用快速分光光度法测定痕量汞具有直接在水溶液中显色测定的特点，克服了附加的萃取步骤。用此法对人造海水进行分析，其回收率为９６．０６％。
The rapid spectrophotometric determination of trace mercury has the characteristic of being directly colorimetric in aqueous solution, overcoming additional extraction steps. This method of artificial seawater analysis, the recovery rate was 96.06%.