This standard is formulated to implement the "Environmental Protection Law of the People's Republic of China" and "The Law of the People's Republic of China on the Prevention and Control of Atmospheric Pollution", protect the environment, protect human health, and standardize the determination methods of water-soluble anions in ambient air particles. This standard specifies the determination of eight water-soluble anions (F-, Cl-, Br-, NO2-, NO3-, PO43-, SO32-, SO42-) in ambient air particles (TSP, PM10, PM2.5, dust reduction, etc.). ) Ion chromatography. This standard is issued for the first time.
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