This standard specifies the determination of sulfate content in urea by visual turbidimetry. This standard applies to the determination of sulfate content in industrial urea synthesized from ammonia and carbon dioxide.
GB/T 2441.8-2001 history
2010GB/T 2441.8-2010 Determination of urea-Part 8: Sulphate content-Visible turbidimetric method
2001GB/T 2441.8-2001 Determination of urea Determination of sulphate content Visible turbidimetric method