BS 6069 Sec.4.1-1990
空气质量表征方法.第4部分:固定发射源.第1节:二氧化碳质量浓度测定方法:过氧化氢/高氯酸钡/钍试验法
Characterization of air quality. Stationary source emissions. Method for the determination of the mass concentration of sulphur dioxide: hydrogen peroxide/barium perchlorate/Thorin method