GB/T 33804-2017 Potassium humate for agricultural use

GB/T 8170-2008 Rules of rounding off for numerical values & expression and judgement of limiting values 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 6679-2003 General rules for sampling solid chemical products GB 8569-1997 Packing of solid chemical fertilizers GB/T 8569-2009 Packing of solid chemical fertilizers GB/T 17767.3-1999 Determination of total potassium content for organic-inorganic compound fertilizer GB/T 17767.3-2010 Determination of organic-inorganic compound fertilizers—Part 3:Total potassium content GB 18382-2001 Fertilizer marking—Presentation and declaration GB 18382-2021 Fertilizer marking—Presentation and declaration GB/T 23349-2009 Ecological index of arsenic,cadmium,lead,chromium and mercury for fertilizers GB/T 23349-2020 Determination of arsenic,cadmium,chromium,lead and mercury contents for fertilizers HG/T 2843-1997 Fertilizer products commonly used in chemical analysis include standard titration solutions, standard solutions, reagent solutions, and indicator solutions HG/T 3278-2011 Agricultural humic acid sodium salt GB/T 191-2025 Graphical symbols marking for handling and storage of packages