GB/T 42307-2023
Fertilizers and soil conditioners—Determination of biuret content of urea-based fertilizers—HPLC method
GB/T 2441.2-2010
Determination of urea - Part 2: Biuret content - Spectrophotometric method
GB/T 2441.2-2001
Determination of urea—Determination of biuret content—Spectrophotometric method
\u0413\u041e\u0421\u0422 32555-2013
Urea for industrial use. Photometric method for determination of biuret content
T/ZLJYXH 3-2023
BS ISO 18643:2016
Fertilizers and soil conditioners. Determination of biuret content of urea-based fertilizers. HPLC method
KS M 1932-2002(2007)
Urea for industrial use-Determination of biuret content-Photometric method
\u0413\u041e\u0421\u0422 \u0420 50568.7-93
Urea for industrial use. Photometric method for determination of biuret content
KS M 1934-2002(2007)
Urea for industrial use-Determination of biuret content-Flame atomic absortion and photometric absortion methods
GB/T 22924-2024
Determination of biuret content for compound fertilizers
ISO 2754:1973
Urea for industrial use — Determination of biuret content — Photometric method
ISO 4274:1977
Urea for industrial use — Determination of biuret content — Flame atomic absorption and photometric absorption methods
GB/T 22924-2008
Determination of biuret content for compound fertilizers(complex fertilizers)
GB/T 2441.9-2010
Determination of urea - Part 9: Methylenediurea content - Spectrophotometric method
NY/T 1376-2007
Determination of Biuret Content for Compound Fertilizers - Spectrophotometric Method
SN/T 0736.8-2016
Test method of import and export fertilizers-Part 8:Determination of biuret content
\u0413\u041e\u0421\u0422 EN 15479-2013
Fertilizers. Spectrophotometric determination of biuret in urea
UNE-EN 15479:2009
Fertilizers - Spectrophotometric determination of biuret in urea
GB/T 2441.9-2001
Determination of Urea—Determination of methylenediurea content—Spectrophotometric method
BS EN 15479:2009
Fertilizers. Spectrophotometric determination of biuret in urea