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为研究脱离汞接触后尿汞排出的生物学半减期和口服DMSA(二巯基丁二酸)的驱汞作用,分别观察了职业性汞接触者尿汞的自然排出量和服用DMSA前后的排汞情况。尿汞自然排出量的研究对象为碱性电池厂接触汞蒸气男工7名,平均汞作业工龄4.4(1～8.4)年。他们均因多次尿汞高于100μg/g肌酐而脱离汞作业。脱离接触时平均年龄29.5(20～40)岁。在脱离接触的7～11个月中,反复测定每个工人尿汞5～7次,首次测定时间在脱离后10～29天。
In order to study biological half-life of excreted urinary mercury excreted from mercury exposure and excretion of oral DMSA (dimercaptosuccinic acid), the natural excretion of mercury in occupational mercury exposure and the discharge of DMSA Mercury situation. Natural mercury urinary excretion of the object of study for the alkaline battery factory contact mercury vapor male workers 7, the average mercury working length of 4.4 (1 ~ 8.4) years. Both of them were separated from mercury work because urinary mercury was higher than 100 μg / g creatinine for many times. The average age from contact with 29.5 (20 ~ 40) years old. Out of contact in 7 to 11 months, repeated urine mercury determination of each worker 5 to 7 times, the first time measured after the departure from 10 to 29 days.