General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China
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GB/T 38521-2020
Scope
This standard specifies the purity analysis requirements for raw materials used in the preparation of calibration mixed gases, and the application of purity data in the calculation of the composition of the prepared mixed gases.
GB/T 38521-2020 Referenced Document
ISO 14912 Gas analysis - Conversion of gas mixture composition data; Technical Corrigendum 1