This standard specifies the determination of alkalinity in urea by volumetric method. This standard applies to the determination of the alkalinity of industrial urea synthesized from ammonia and carbon dioxide.
GB/T 2441.5-2001 history
2010GB/T 2441.5-2010 Determination of urea-Part 5: Alkalinity-Titrimetric method
2001GB/T 2441.5-2001 Determination of Urea Determination of alkalinity titrimetric method