GB/T 4472-1984
Replaced
GB/T 3143-1982
Active
National standards
GB/T 3143-1982 Color determination method of liquid chemicals (Hazen unit—platinum-cobalt scale)
GB/T 3143-1982 Color determination method of liquid chemicals (Hazen unit—platinum-cobalt scale)
Basic Information
Standard Code:
GB/T 3143-1982
Standard Type:
National standards
Standard Status:
Active
is_force_gb:
no
CCS Name:
Basic standards and general methods
ICS Name:
Chemical analysis
Publish Date:
1982-07-20
Implement Date:
1983-03-01
Publisher:
National Standards Bureau
Technical Committee:
Petrochemical Research Institute
Pages:
3 pages
Development Information
Drafting Units:
Dalian Petroleum Factory No. 7
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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
GB/T 5832.2-1986 Determination of trace water in the gases—Dew point method
GB/T 3049-1986
Replaced