GB/T 3598-1983
Abolished
GB/T 2441.3-2010
Active
National standards
GB/T 2441.3-2010 Determination of urea—Part 3:Water content—Karl Fischer method
GB/T 2441.3-2010 Determination of urea—Part 3:Water content—Karl Fischer method
Basic Information
Standard Code:
GB/T 2441.3-2010
Standard Type:
National standards
Standard Status:
Active
is_force_gb:
no
CCS Name:
Fertilizers and pesticides
ICS Name:
Fertilizer
Publish Date:
2010-06-30
Implement Date:
2011-01-01
Pages:
4 pages
Scope
This part of GB/T 2441 specifies the determination of moisture in urea using the Karl Fischer method.
This part is applicable to the determination of moisture in urea synthesized from ammonia and carbon dioxide.
When arbitrating, a Karl Fischer reagent containing pyridine is used.
Development Information
Same series standard
GB/T 2441.2-2010 Determination of urea—Part 2:Biuret content—Spectrophotometric method
GB/T 2441.4-2010 Determination of urea—Part 4:Iron content—1,10-Phenanthroline spectrophotometric method
GB/T 2441.5-2010 Determination of urea—Part 5:Alkalinity—Titrimetric method
GB/T 2441.6-2010 Determination of urea—Part 6:Water insoluble matter content—Weight method
GB/T 2441.7-2010 Determination of urea—Part 7:Particle size—Sieve method
GB/T 2441.8-2010 Determination of urea—Part 8:Sulphate content—Visible turbidimetric method
GB/T 2441.9-2010 Determination of urea—Part 9:Methylenediurea content—Spectrophotometric method
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)
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