GB/T 2441.2-2001
Determination of urea Determination of biuret content Spectrophotometric method (English Version)
- Standard No.
- GB/T 2441.2-2001
- 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 2441.2-2010
- Latest
- GB/T 2441.2-2010
- Scope
- This standard specifies the determination of biuret content in urea by copper double salt spectrophotometry. This standard applies to the determination of the content of urea biuret for industrial and agricultural use synthesized from ammonia and carbon dioxide.
GB/T 2441.2-2001 history
- 2010 GB/T 2441.2-2010 Determination of urea-Part2: Biuret content-Spectrophotomatric method
- 2001 GB/T 2441.2-2001 Determination of urea Determination of biuret content Spectrophotometric method
- 1991 GB/T 2443-1991 Method for Determination of Biuret Content in Urea Copper Double Salt Spectrophotometry
- 0000 GB 2443-1981
GB/T 2441.2-2001 -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