This part of GB/T 2441 specifies the determination of moisture in urea by the Karl Fischer method. This section applies to the determination of moisture in urea synthesized from ammonia and carbon dioxide. For arbitration, Karl Fischer reagent containing pyridine is used.
GB/T 2441.3-2010 Referenced Document
GB/T 6283 Chemical products.Determination of water Karl.fischer method(general method)
HG/T 2843 Chemical fertilezer products-standard volumetrie,standard,reagent and indicator solutions for chemical analysis
GB/T 2441.3-2010 history
2010GB/T 2441.3-2010 Determination of urea-Part 3:Water content-Karl Fischer method
2001GB/T 2441.3-2001 Determination of urea Determination water content Karl Fisher method
1991GB/T 2444-1991 Determination of moisture in urea Karl Fischer method