Methods for sampling and analysis of ambient air, Method 2.2: Preparation of reference test atmospheres - Compressed gas method
环境空气取样和分析方法 方法2.2:参考试验大气的制备-压缩气体法
发布日期:
2016-05-06
规定了使用校准气体稀释法制备含有已知测定物浓度的参考试验大气的方法。
Sets out a method for the preparation of reference test atmospheres containing known concentrations of determinand(s), using a calibration gas dilution method.