This standard specifies the use of sodium indigo disulfonate spectrophotometric method to determine the concentration of ozone in the air. This standard applies to the determination of ozone in public places and indoor air.
GB/T 18204.27-2000 history
2014GB/T 18204.2-2014 Examination methods for public places.Part 2: Chemical pollutants
2000GB/T 18204.27-2000 Method of examination of ozone in air of public places
GB/T 18204.27-2000 Method of examination of ozone in air of public places was changed to GB/T 18204.2-2014 Examination methods for public places.Part 2: Chemical pollutants.