GB/T 35546-2017 Itaconic acid

GB/T 617-2006 Chemical reagent—General method for the determination of melting range GB/T 9735-2008 Chemical reagent—General method for the determination of heavy metals GB/T 191-2000 Packaging—Pictorial marking for handling of goods GB/T 191-2008 Packaging—Pictorial marking for handling of goods GB/T 601-2002 Chemical reagent Preparations of standard volumetric solutions GB/T 601-2016 Chemical reagent—Preparations of reference titration solutions 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 605-1988 Chemical reagent—General method for the measurement of colour(in Hazen units) GB/T 605-2006 Chemical reagent—General method for the measurement of colour GB/T 5009.3-2003 Determination of moisture in foods GB 5009.3-2010 National food safety standard Determination of moisture in foods GB 5009.3-2016 National Standards for Food Safety - Determination of Water in Foods GB/T 5009.11-2003 Determination of total arsenic and abio-arsenic in foods GB 5009.11-2014 The National Standards for Food Safety: Determination of Total Arsenic and Inorganic Arsenic in Foods GB 5009.11-2024 National Food Safety Standards: Determination of Total and Inorganic Arsenic in Foods GB/T 5009.13-2003 Determination of copper in foods GB 5009.13-2017 National standard for food safety: Determination of copper in food GB/T 5009.90-2003 Determination of iron, magnesium and manganese in foods GB 5009.90-2016 The National Standard for Food Safety: Determination of Iron in Foods GB 5009.242-2017 National Standards for Food Safety: Determination of Manganese in Foods GB/T 6678-2003 General principles for sampling chemical products 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 7531-1987 Determination of ash for organic chemical products GB/T 7531-2008 Determination of ignition residue for organic chemical products GB/T 9728-1988 Chemical reagent General method for the determination of sulphate GB/T 9728-2007 Chemical reagent—General method for the determination of sulphate GB/T 9729-1988 Chemical reagent General method for the determination of chloride GB/T 9729-2007 Chemical reagent—General method for the determination of chloride GB/T 191-2025 Graphical symbols marking for handling and storage of packages