GB/T 3143-1982
Active
T/CHAIA 6-2019
Active
Group standards
T/CHAIA 6-2019 Determination Method of Humic Acid Carbon Ratio
T/CHAIA 6-2019
Price:
$ 20.00
Basic Information
Standard Code:
T/CHAIA 6-2019
Standard Type:
Group standards
Standard Status:
Active
is_force_gb:
no
CCS Name:
Fertilizers and pesticides
ICS Name:
Chemical analysis
Publish Date:
2019-12-29
Implement Date:
2020-02-02
Scope
Main technical content: This standard specifies the method for determining the carbon content of humic acid in humic acid raw materials and fertilizers. This standard is applicable to the determination of the carbon content of humic acid in humic acid raw materials such as weathered coal, lignite, peat, and biomass resources, as well as humic acid salts and fertilizers containing humic acid.
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