GB/T 3598-1983
Abolished
T/NAIA 028-2021
Active
Group standards
T/NAIA 028-2021 Determination of Water-soluble Humic Acid Content in Organic Fertilizer - Volumetric Method
T/NAIA 028-2021 Determination of Water-soluble Humic Acid Content in Organic Fertilizer - Volumetric Method
Price:
$ 20.00
Basic Information
Standard Code:
T/NAIA 028-2021
Standard Type:
Group standards
Standard Status:
Active
is_force_gb:
no
CCS Name:
\nSoil and fertilizer
ICS Name:
Fertilizer
Publish Date:
2021-02-03
Implement Date:
2021-02-15
Scope
Main technical content: This document specifies the test method for determining the content of water-soluble humic acid in organic fertilizers. This document is applicable to the determination of the content of water-soluble humic acid in organic fertilizers produced and sold within the territory of the People's Republic of China, which are made from raw materials such as weathered coal and lignite, and are supplemented with nitrogen, phosphorus, and potassium macronutrients.
Development Information
Related Standards
GB 8569-1997
Replaced
GB 8569-1997 Packing of solid chemical fertilizers
GB/T 8570.1-1988
Replaced
GB/T 8570.1-1988 Liquefied anhydrous ammonia—Taking a laboratory sample
GB/T 8570.2-1988
Replaced
GB/T 8570.2-1988 Liquefied anhydrous ammonia—Estimating of ammonia content
GB/T 8570.3-1988
Replaced
GB/T 8570.3-1988 Liquefied anhydrous ammonia—Determination of residue content—Gravimetric method
GB/T 8570.4-1988
Replaced