This standard specifies the method for the determination of tea-based substances in reclaimed water—gas chromatography. This standard is applicable to the content of eight kinds of teas in reclaimed water: sunflower, toluene, ethyl sunflower, ortho-xylene tea, meta-xylene, p-xylene, sunflower ethylene and iso-two sunflower. The content range is 0.5 pg/L to 100 pg/work determination. This standard is also applicable to the determination of sunflower species content in surface water, industrial water and domestic water.
GB/T 39298-2020 Referenced Document
GB/T 14424 Industrial circulating cooling water.Determination of residual chlorine
GB/T 5750.2 Standard Examination Methods for Drinking Water Part 2: Collection and Preservation of Water Samples*, 2023-03-17 Update
GB/T 6682 Water for analytical laboratory use.Specification and test methods
GB/T 39298-2020 history
2020GB/T 39298-2020 Reclaimed water quality—Determination of benzene homologues—Gas chromatography