GB/T 2441.3-2001
Determination of urea Determination water content Karl Fisher method (English Version)
- Standard No.
- GB/T 2441.3-2001
- Language
- Chinese, Available in English version
- Release Date
- 2001
- Published By
- General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China
- Status
- 2011-01
- Replace By
- GB/T 2441.3-2010
- Latest
- GB/T 2441.3-2010
- Scope
- This standard specifies the determination of moisture in urea by the Karl Fischer method. This standard applies to the determination of the moisture content of industrial and agricultural urea synthesized from ammonia and carbon dioxide. For arbitration, a Karl Fischer reagent containing pyridine is used.
GB/T 2441.3-2001 history
- 2010 GB/T 2441.3-2010 Determination of urea-Part 3:Water content-Karl Fischer method
- 2001 GB/T 2441.3-2001 Determination of urea Determination water content Karl Fisher method
- 1991 GB/T 2444-1991 Determination of moisture in urea Karl Fischer method
GB/T 2441.3-2001 -All Parts
GB/T 2441.1-2008 Determination of urea.Part 1:Total nitrogen content
GB/T 2441.2-2010 Determination of urea-Part2: Biuret content-Spectrophotomatric method
GB/T 2441.3-2010 Determination of urea-Part 3:Water content-Karl Fischer 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