GB/T 34319-2017 Boron-magnesium fertilizer

GB/T 8170-2008 Rules of rounding off for numerical values & expression and judgement of limiting values GB/T 14540-2003 Determination of copper,iron,manganese,zinc,boron and molybdenum content for compound fertilizers GB/T 19203-2003 Determination of calcium, magnesium and sulphur content for compound fertilizer GB/T 6679-2003 General rules for sampling solid 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 8576-2002 Determination of free water for compound fertilizers—Vacuum oven method GB/T 8576-2010 Determination of free water for compound fertilizers—Vacuum oven method 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 GB/T 24891-2010 Determination of particle size for compound fertilizers HG/T 2843-1997 Fertilizer products commonly used in chemical analysis include standard titration solutions, standard solutions, reagent solutions, and indicator solutions NY/T 1117-2010 The determination of calcium, magnesium, sulfur, and chloride content in water-soluble fertilizers NY/T 1973-2010 Determination of water-soluble fertilizer insoluble matter content and pH value NY/T 1974-2010 The determination of copper, iron, manganese, zinc, boron, and molybdenum content in water-soluble fertilizers