GB 7300.201-2019 Feed additives—Part 2:Vitamins,provitamins and chemically well-defined substances having similar effect—L-Ascorbyl-2-phosphate

GB 7300.101-2019 Feed additives—Part 1:Amino acids,their salts and analogues—L-Threonine GB 7300.102-2019 Feed additives—Part 1:Amino acids, their salts and analogues—Glycine GB 7300.202-2019 Feed additives—Part 2:Vitamins,provitamins and chemically well-defined substances having similar effect—Vitamin D3 oily form GB 7300.204-2019 Feed additives—Part 2:Vitamins,provitamins and chemically well-defined substances having similar effect—Betaine hydrochloride GB 7300.301-2019 Feed additives—Part 3:Minerals and their complexes(or chelates)—Potassium iodide GB 7300.302-2019 Feed additives—Part 3:Minerals and their complexes(or chelates)—Sodium selenite GB 7300.401-2019 Feed additives—Part 4:Enzymes—Xylanase GB 7300.801-2019 Feed additives—Part 8:Preservatives and acidity regulators—Sodium bicarbonate GB 7300.901-2019 Feed additives—Part 9:Coloring agents—β-Carotene powder

GB/T 19422-2003 Feed additive—L-Ascorbic acid-2-phosphate

GB/T 13079-2006 Determination of total arsenic in feeds GB/T 601-2002 Chemical reagent Preparations of standard volumetric solutions GB/T 601-2016 Chemical reagent—Preparations of reference titration solutions GB/T 602-2002 Chemical reagent—Preparations of standard solutions for impurity GB/T 603-2002 Chemical reagent—Preparations of reagent solutions for use in test methods GB/T 603-2023 Chemical reagent—Preparations of reagent solutions for use in test methods GB/T 6435-1986 Method for the determination of moisture in feedstuffs GB/T 6435-2006 Determination of moisture and other volatile mater content in feeds GB/T 6435-2014 Determination of moisture in feedstuffs GB/T 6437-2002 Determination of phosphorus in feed—Spectphotometry GB/T 6437-2018 Determination of phosphorus in feeds—Spectrophotometry 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/T 8170-1987 Rules for rounding off of numberical values GB/T 8170-2008 Rules of rounding off for numerical values & expression and judgement of limiting values 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 GB/T 18634-2002 Determination of feed phytase activity—Spectrothotometric method GB/T 18634-2009 Determination of feed phytase activity—Spectrophotometric method GB/T 602-2026 Chemical reagent—Preparations of standard solutions for impurity