GB/T 2443-1991
Method for Determination of Biuret Content in Urea Copper Double Salt Spectrophotometry (English Version)

Standard No.

GB/T 2443-1991

Language

Chinese, Available in English version

Release Date

1991

Published By

Professional Standard - Agriculture

Status

Be replaced 2002-01

Replace By

GB/T 2441.2-2001

Latest

GB/T 2441.2-2010

Replace

GB 2443-1981

Scope

This standard specifies the spectrophotometric method for the determination of the shrinkage content in urea by copper double salt. This standard is applicable to the determination of the content of urea disulfide for industrial and agricultural use synthesized from ammonia and carbon dioxide.

GB/T 2443-1991 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 2443-1991 Method for Determination of Biuret Content in Urea Copper Double Salt Spectrophotometry was changed to GB/T 2441.2-2001 Determination of urea Determination of biuret content Spectrophotometric method.