| 尿中甲基马尿酸含量与接触二甲苯浓度关系的探讨 |
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| 引用本文： | 高秀峰.尿中甲基马尿酸含量与接触二甲苯浓度关系的探讨[J].中国职业医学,1989,16(3):10-11. |
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| 作者姓名： | 高秀峰 |
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| 作者单位： | 山东医科大学劳动卫生与职业病教研室 |
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| 摘 要： | 实验表明：二甲苯接触者尿中甲基马尿酸的排出浓度随车间空气中二甲苯浓度的增高和接触时间的延长而升谪，脱离接触前尿中甲基马尿酸排出浓度达高峰，二者呈直线正相关（∧/Y=2.202X 187.75）。可以采集工人下班前尿样进行甲基马尿酸测定，用于评价接触水平，根据二甲苯的车间空气MAC，尿中甲基马尿酸的生物阈限值为500mg/L。
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| 关 键 词： | 二甲苯 甲基马尿酸 薄层层析法 时间加权平均浓度 直线相关回归分析 苯 职业危害 |
Relationship between the urinary methylhippuric acid concentration and the xylene exposure level among workers. |
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| Gao Xiufeng,et al..Relationship between the urinary methylhippuric acid concentration and the xylene exposure level among workers.[J].China Occupational Medicine,1989,16(3):10-11. |
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| Authors: | Gao Xiufeng |
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| Abstract: | Experimental results showed that the concentration of methylhippuric acid in urine appeared to be increased with increasing xylene exposure level in workers, and reached the peak value before going off duty. The relationship between the urinary methylhippuric acid concentration and the xylene exposure level among workers showed positive linear correlation (Y=2.202X 187.75). Therefore, it was suggested that the measurement of urinary methylhippuric acid might be served as the biological monitoring parameter to evaluate xylene exposure. |
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| Keywords: | xylene methylhippuric acid thin layer chromatography (TLC) gas chromatography (GC) linear correlation and regression |
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