美国3M公司生产的有机气体检测器(也称之为无电源采样器),是通过微孔过滤膜使有机气体扩散,再将其吸附到活性碳上,然后进行定量分析,以此来进行工作环境及个人接触剂量的测定。因该检测器使用方便,作者对其实用价值进行了探讨,并与活性碳管个人采样器(采样速度100 ml/s)进行了比较。 1.浓度不变情况下的实验:试验气体为甲苯,浓度为10、50、100、200 ppm;在毒气柜内按上、中、下三个水平采样。采样时间,于不同浓度下均按15分、30分、1小时、2小时、4小时、6小时及8小时进行连续采样;并按采样15分停45分断续采样3小时、5小时、9小时(每个浓度有10个数据)。为观察毒气 The organic gas detector (also referred to as a powerless sampler) produced by 3M Company of the United States works through the microporous filter membrane to diffuse the organic gas and then adsorb it to the activated carbon, and then carry out quantitative analysis Environmental and personal exposure dose determination. Due to the ease of use of the detector, the authors explored its practical value and compared it to an individual sampler of activated carbon tubes (at a sampling rate of 100 ml / s). 1. Experiment under the condition of constant concentration: the test gas is toluene with the concentration of 10, 50, 100, 200 ppm; and the upper, middle and lower levels are sampled in the poison gas cabinet. Sampling time, at different concentrations were 15 points, 30 minutes, 1 hour, 2 hours, 4 hours, 6 hours and 8 hours continuous sampling; and sampling by 15 minutes stop 45 minutes intermittent sampling 3 hours, 5 hours, 9 Hour (10 data for each concentration). To observe the gas