GB/T 24897-2010
Inspection of grain and oils - Crude protein determination in rice - Near-infrared method
GB/T 24899-2010
Inspection of grain and oils - Determination of crude protein in wheat - Near-infrared method
GB/T 24901-2010
Inspection of grain and oils - Determination of crude protein in maize - Near-infrared method
GB/T 24871-2010
Inspection of grain and oils - Crude protein determination in wheat flour - Near-infrared method
GB/T 41366-2022
Livestock and poultry meat quality testing—Determination of moisture, protein and fat—Near-infrared spectroscopy method
GB/T 24870-2010
Inspection of grain and oils - Crude protein and crude fat determination in soybean - Near-infrared method
NY/T 2007-2011
Determination of the crude protein content in cereals and pules seeds by combustion according to the dumas principle
SN/T 3926-2014
Determination of protein content in dairy foods,egg foods and soy foods for export - Coomassie brilliant blue method
GB/T 5511-2008
Cereals and pulses—Determination of the nitrogen content and calculation of the crude protein content—Kjeldahl method
KS H ISO 5549-2006(2016)
Caseins and caseinates-Determination of protein content(Reference method)
KS H ISO 5542-2021
Milk — Determination of protein content — Amido black dye-binding method(Rountine method)
KS H ISO 5542-2006(2016)
Milk-Determination of protein content-Amido black dye-binding method(Rountine method)
ISO 20483:2013
Cereals and pulses — Determination of the nitrogen content and calculation of the crude protein content — Kjeldahl method
T/GXAS 357-2022
BS 12/30251275 DC
BS EN ISO 20483. Cereals and pulses. Determination of the nitrogen content and calculation of the crude protein content. Kjeldahl method
EN ISO 20483:2013
UNE-EN ISO 20483:2007
Cereals and pulses - Determination of the nitrogen content and calculation of the crude protein content - Kjeldahl method (ISO 20483:2006)
ISO 5983-1:2005
Animal feeding stuffs — Determination of nitrogen content and calculation of crude protein content — Part 1: Kjeldahl method
ISO 5983-2:2009
Animal feeding stuffs — Determination of nitrogen content and calculation of crude protein content — Part 2: Block digestion and steam distillation method
UNE-EN ISO 5983-1:2007
Animal feeding stuffs - Determination of nitrogen content and calculation of crude protein content - Part 1: Kjeldahl method (ISO 5983-1:2005)