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[目的]比较深圳市某蓄电池生产企业技术改造前后作业场所空气中铅浓度和铅作业人员血铅、尿铅和红细胞锌原卟啉的水平。[方法]石墨炉原子吸收法检测空气中铅浓度和血铅、尿铅水平,采用WS/T92-1996血中锌原卟啉血液荧光计法测定红细胞锌原卟啉,并对结果进行统计学处理。[结果]技术改造后空气中铅尘、铅烟浓度与技术改造前比较,差异均有统计学意义(P<0.05);技术改造后,铅作业人员的血铅、尿铅浓度和红细胞锌原卟啉水平均低于技术改造前,差异均有统计学意义(P<0.01)。[结论]该厂的技术改造有效降低了作业场所空气中铅浓度以及铅作业人员血铅、尿铅和红细胞锌原卟啉水平。
[Objective] To compare the concentration of lead in the workplace air and lead, lead and erythrocyte zinc protoporphyrin before and after technological transformation of a battery manufacturing enterprise in Shenzhen City. [Method] Graphite furnace atomic absorption method was used to detect the levels of lead in blood and blood lead and urine lead levels. The zinc and zinc protoporphyrin of erythrocytes were determined by WS / T92-1996 blood zinc fluorophormetry and the results were statistically analyzed deal with. [Results] The concentrations of lead dust and lead smoke in the air after the technological transformation were significantly different from those before the technological transformation (P <0.05). After the technological transformation, the blood lead and urinary lead levels of lead workers and the levels of red blood cells zinc Porphyrin levels were lower than before the technological transformation, the differences were statistically significant (P <0.01). [Conclusion] The technological transformation of this plant effectively reduced the lead concentration in the air at the workplace and the level of lead, urinary lead and erythrocyte zinc protoporphyrin in lead workers.