GB 7300.601-2020 Feed additives—Part 6:Non-protein nitrogen—Urea

GB 7300.103-2020 Feed additives—Part 1:Amino acids,their salts and analogues—Methionine hydroxy analogue GB 7300.203-2020 Feed additive—Part 2:Vitamins,provitamins and chemically well-defined substances having similar effect—Betaine GB 7300.402-2020 Feed additives—Part 4:Enzymes—Phytase GB 7300.1001-2020 Feed additives—Part 10:Flavouring and appetising substances—Sodium glutamate

定量包装商品计量监督管理办法(国家质量监督检验检疫总局令〔2005年〕第75号) GB/T 2441.1-2001 Determination of urea—Determination of total nitrogen content GB/T 2441.1-2008 Determination of urea—Part 1:Total nitrogen content GB/T 2441.2-2001 Determination of urea—Determination of biuret content—Spectrophotometric method GB/T 2441.2-2010 Determination of urea—Part 2:Biuret content—Spectrophotometric method GB/T 2441.3-2001 Determination of urea—Determination of water content—Karl Fisher method GB/T 2441.3-2010 Determination of urea—Part 3:Water content—Karl Fischer method GB/T 2441.5-2001 Determination of Urea—Determination of alkalinity—Titrimetric method GB/T 2441.5-2010 Determination of urea—Part 5:Alkalinity—Titrimetric method GB/T 2441.7-2001 Determination of urea—Determination of particle size—Sieve method GB/T 2441.7-2010 Determination of urea—Part 7:Particle size—Sieve method GB/T 2441.9-2001 Determination of Urea—Determination of methylenediurea content—Spectrophotometric method GB/T 2441.9-2010 Determination of urea—Part 9:Methylenediurea content—Spectrophotometric method GB/T 6682-1992 Water for analytical laboratory use—Specification and test methods GB/T 6682-2008 Water for analytical laboratory use—Specification and test methods GB 10648-1999 Feed label GB 10648-2013 Feed label GB/T 13080-2004 Determination of lead in feeds—Method using atomic absorption spectrometry GB/T 13080-2018 Determination of lead in feeds—Atomic absorption spectrometry GB/T 13080.2-2005 Feed additive—Determination of chelation percentage of iron、copper、manganese and zinc methionine—Gel filtration chromatography GB/T 14699.1-1993 Methods for sampling of feed GB/T 14699.1-2005 Feeding stuffs—Sampling JJF 1070-2023 Rules of Metrological Testing for Net Quantity of Products in Prepackages with Fixed Content JJF 1070.1-2011 Rules of Metrological Testing for Net Quantity of Soap Products in Prepackages with Fixed Content JJF 1070.2-2011 Rules of Metrological Testing for Net Quantity of Wheat Flour Products in Prepackages with Fixed Content JJF 1070.3-2021 Rules of Metrological Testing for Net Quantity of Products in Prepackages with Fixed Content—Rice