GB/T 38521-2020
Gas analysis—Purity analysis and the treatment of purity data

Standard No.

GB/T 38521-2020

Language

Chinese

Release Date

2020

Published By

General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China

Lastest

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
• ISO 6143 Gas analysis - Comparison methods for determining and checking the composition of calibration gas mixtures
• ISO 7504 Gas analysis - Vocabulary

GB/T 38521-2020 history

• 2020 GB/T 38521-2020 Gas analysis—Purity analysis and the treatment of purity data