GB/T 3143-1982
Active
DB65/T 4451-2021
Active
The Xinjiang Uygur Autonomous RegionLocal standards
DB65/T 4451-2021 DB65/T 4451-2021 Visual chemical colorimetry for detection of chlorate and perchlorate
DB65/T 4451-2021 DB65/T 4451-2021 Visual chemical colorimetry for detection of chlorate and perchlorate
Basic Information
Standard Code:
DB65/T 4451-2021
Standard Type:
Local standards
Standard Status:
Active
is_force_gb:
no
CCS Name:
Basic standards and general methods
ICS Name:
Chemical analysis
Publish Date:
2021-10-20
Implement Date:
2022-01-01
Pages:
4 pages
Development Information
Related Standards
GB/T 4472-1984
Replaced
GB/T 4472-1984 General rule for determination of density and relative density for chemical products
GB/T 4946-1985
Replaced
GB/T 4946-1985 Terms of gas chromatography
GB/T 5274-1985
Replaced
GB/T 5274-1985 Gas analysis—Preparation of calibration gas mixtures—Weighing methods
GB/T 5831-1986
Replaced
GB/T 5831-1986 Determination of trace oxygen in the gases—Colorimetric method
GB/T 5832.2-1986
Replaced