GB/T 21695-2008 Feed grade—Zeolite meal

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 6003.1-1997 Test sieves of metal wire cloth GB/T 6003.1-2012 Test sieves—Technical requirements and testing—Part 1:Test sieves of metal wire cloth GB/T 6003.1-2022 Test sieves—Technical requirements and testing—Part 1:Test sieves of metal wire cloth 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 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 13081-1991 Method for determination of mercury in feeds GB/T 13081-2006 Determination of mercury in feeds GB/T 13081-2022 Determination of mercury in feeds GB/T 13082-1991 Method for determination of cadmium in feeds GB/T 13082-2021 Determination of cadmium in feeds GB/T 14699.1-1993 Methods for sampling of feed GB/T 14699.1-2005 Feeding stuffs—Sampling