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See Chinese contents: GB/T 39193-2020 GB/T 39193-2020: Ambient air -- Determination of particulate matter mass concentration -- Gravimetric method
This Standard specifies the method of filter membrane sampling and weighing for the determination of particulate matter in ambient air, including principle and method, instruments and equipment, sampling and weighing, calculation and presentation of results, uncertainty evaluation of measurement results, quality control and quality assurance. This Standard applies to the use of filter membrane weighing method to measure the particulate matter mass concentration in ambient air.
