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气相色谱法测定工作场所空气中碘甲烷方法的研究 被引量:1

Establishment of method for determination of iodomehthane in workplace air by gas chromatography
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摘要 空气中的碘甲烷用多孔玻板吸收管采集,经DB-1毛细管柱分离后,气相色谱电子捕获检测器检测。碘甲烷溶液质量浓度在0.000 5~0.912 0μg/ml范围内成线性,线性方程为y=4 027.9x+33.1,相关系数r为0.999 93,检出限为0.000 5μg/ml,最低检测质量浓度为0.000 7 mg/m^3(采样体积为7.5 L);方法的批内精密度0.42%~1.02%,批间精密度0.90%~2.31%,方法回收率98.0%~104.1%。提示采用电子捕获-气相色谱法测定工作场所空气中微量碘甲烷,具有满意的效果。
出处 《中国工业医学杂志》 CAS 2019年第5期416-418,共3页 Chinese Journal of Industrial Medicine
基金 江苏省医学创新团队(CXTDA2017029) 江苏省医学重点学科(ZDXKA2016008)
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