GB/T 38521-2020 Replaced National standards

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

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

Publish Date: 2020-03-06 Implement Date: 2021-02-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

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Basic Information

Standard Code: GB/T 38521-2020

Standard Type: National standards

Standard Status: Replaced

is_force_gb: no

CCS Name: Industrial gases and chemical gases

ICS Name: Industrial gases

Publish Date: 2020-03-06

Implement Date: 2021-02-01

Pages: 12 pages

Scope

This standard specifies the purity analysis requirements for the raw materials used in the preparation of calibration gas mixtures, as well as the application of purity data in the calculation of the composition of the prepared gas mixtures.

Development Information

Word Count: 17 Thousand words Pages: 12 pages

Superseded by the following standards

GB/T 38521-2025 Gas analysis—Purity analysis and the treatment of purity data

Referenced Standards

ISO 6143 ISO 7504 ISO 14912 ISO/IEC导则98-3

Adopt standards

ISO 19229:2015

Related Standards

GB 4962-1985 Replaced

GB 4962-1985 Technical safety regulation for gaseous hydrogen use

Publish Date: 1985-03-01

GB/T 8981-1988 Replaced

GB/T 8981-1988 Determination of trace hydrogen in gases—Gas chromatographic method

Publish Date: 1988-03-15

GB/T 10627-1989 Replaced

GB/T 10627-1989 Gas analysis—Preparation of calibration gas mixtures—Static volumetric methods

Publish Date: 1989-03-01

GB/T 10628-1989 Replaced

GB/T 10628-1989 Gas analysis—Determination of composition of calibration gas mixtures—Comparison methods

Publish Date: 1989-03-22

GB 13548-1992 Replaced

GB 13548-1992 General principle of safety assessment for phosgene and its products plant

Publish Date: 1992-06-29

GB 13591-1992 Replaced

GB 13591-1992 Rules for the filling of dissolved acetylene

Publish Date: 1992-08-05