作者: Benjamin R. Miller , Ray F. Weiss , Peter K. Salameh , Toste Tanhua , Brian R. Greally
DOI: 10.1021/AC702084K
关键词: Gas chromatography 、 Ozone depletion 、 Ozone 、 Atmosphere of Earth 、 Gas chromatography–mass spectrometry 、 Chemistry 、 Analytical chemistry 、 Mass spectrometry 、 Sulfur 、 Hydrocarbon
摘要: … Accurate absolute calibration for ppt levels of trace gases requires intensive preparations of “primary standards” from pure analytes in “airlike” mixtures to minimize analytical artifacts …