GB/T 3598-1983
Abolished
GB/T 22924-2008
Replaced
National standards
GB/T 22924-2008 Determination of biuret content for compound fertilizers(complex fertilizers)
GB/T 22924-2008 Determination of biuret content for compound fertilizers(complex fertilizers)
Basic Information
Standard Code:
GB/T 22924-2008
Standard Type:
National standards
Standard Status:
Replaced
is_force_gb:
no
CCS Name:
Fertilizers and pesticides
ICS Name:
Fertilizer
Publish Date:
2008-12-31
Implement Date:
2009-08-01
Pages:
12 pages
Scope
This standard specifies the test methods for determining the content of urethane in compound fertilizers (compound fertilizers): liquid chromatography and spectrophotometry.
This standard is applicable to the determination of the content of urethane in compound fertilizers (compound fertilizers) containing urea in basic fertilizers.
Development Information
Superseded by the following standards
Referenced Standards
GB/T 6682-1992 Water for analytical laboratory use—Specification and test methods
GB/T 6682-2008 Water for analytical laboratory use—Specification and test methods
GB/T 8571-2002 Preparation of laboratory samples for compound fertilizers
GB/T 8571-2008 Preparation of laboratory samples for compound fertilizers
HG/T 2843-1997 Fertilizer products commonly used in chemical analysis include standard titration solutions, standard solutions, reagent solutions, and indicator solutions
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