GB/T 3598-1983
Abolished
GB/T 8577-2010
Active
National standards
GB/T 8577-2010 Determination of free water for compound fertilizers—Karl Fischer method
GB/T 8577-2010 Determination of free water for compound fertilizers—Karl Fischer method
Basic Information
Standard Code:
GB/T 8577-2010
Standard Type:
National standards
Standard Status:
Active
is_force_gb:
no
CCS Name:
Fertilizers and pesticides
ICS Name:
Fertilizer
Publish Date:
2010-09-26
Implement Date:
2011-03-01
Pages:
4 pages
Scope
This standard specifies the use of dioxane to extract free water from fertilizers, and then determines the free water content in compound fertilizers by titration with the Karl Fischer reagent.
Development Information
Replace the following standards
Referenced Standards
GB/T 6283-1986 Chemical products—Determination of water—Karl fischer method (general method)
GB/T 6283-2008 Chemical products—Determination of water Karl·fischer method(general method)
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