This part of GB/T 2441 specifies the determination of water-insoluble content in industrial urea by gravimetric method. This section applies to the determination of the water-insoluble content of urea synthesized from ammonia and carbon dioxide.
GB/T 2441.6-2010 history
2010GB/T 2441.6-2010 Determination of urea-Part 6:Water insoluble matter content-Weight method
2001GB/T 2441.6-2001 Determination of urea Determination of water insolution matter content Weight method