工作场所空气中丙酮测量不确定度评定  

Uncertainty Evaluation of the Determination of Acetone in the Air of Workplace

作　　者：吴梦一[1] 

机构地区：[1]中国安全生产科学研究院,北京100029

出　　处：《低温与特气》2017年第1期33-36,共4页Low Temperature and Specialty Gases

基　　金：中国安全生产科学研究院基本科研业务专项资金(2015JBKY08)

摘　　要：介绍了溶剂解吸—气相色谱法测定工作场所空气中丙酮测量不确定度的评定过程,确定了不确定度分量的来源及大小。其中活性炭解吸液中丙酮的浓度和标准采样体积的贡献较大。可优先选择高精密度的仪器和实验器具,同时不断提高人员操作水平,有效降低不确定度。In this paper, the uncertainty evaluation process of determination of acetone in the air of workplace by solvent desorption-gas chromatography was introduced, and it determined the source and value of the uncertainty. The concentra- tion of acetone in the desorption solution of the activated carbon and the standard sampling volume made the greater contri- bution. In order to reduce the uncertainty effectively, high-precision instruments and experimental apparatus should be given priority. At the same time, the level of personnel operations should be improved continuously.

关 键 词：丙酮 溶剂解吸 气相色谱 不确定度 

分 类 号：O657.71[理学—分析化学] R134.4[理学—化学]