GB/T 15063-2020 Compound fertilizer

GB/T 15063-2009 Compound fertilizer (Complex fertilizer)

GB/T 8572-2010 Determination of total nitrogen content for compound fertilizers titrimetric method after distillation GB/T 19203-2003 Determination of calcium, magnesium and sulphur content for compound fertilizer GB/T 3597-2002 Fertilizer—Determination of nitrate nitrogen content—Nitron gravimetric method GB/T 6274-1997 Fertilizers and soil conditioners—Vocabulary GB/T 6274-2016 Fertilizers and soil conditioners—Vocabulary GB/T 6679-2003 General rules for sampling solid chemical products 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 8569-1997 Packing of solid chemical fertilizers GB/T 8569-2009 Packing of solid chemical fertilizers GB/T 8571-2002 Preparation of laboratory samples for compound fertilizers GB/T 8571-2008 Preparation of laboratory samples for compound fertilizers GB/T 8573-1999 Determination of available phosphorus content for compound fertilizers GB/T 8573-2010 Determination of available phosphorus content for compound fertilizers GB/T 8573-2017 Determination of available phosphorus content for compound fertilizers GB/T 8574-2002 Determination of potassium content for compound fertilizers—Potassium tetraphenylborate gravimetric method GB/T 8574-2010 Determination of potassium content for compound fertilizers—Potassium tetraphenylborate gravimetric method 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/T 8577-2002 Determination of free water for compound fertilizers-Karl fischer method GB/T 8577-2010 Determination of free water for compound fertilizers—Karl Fischer method GB/T 14540-2003 Determination of copper,iron,manganese,zinc,boron and molybdenum content for compound fertilizers GB 18382-2001 Fertilizer marking—Presentation and declaration GB 18382-2021 Fertilizer marking—Presentation and declaration GB/T 22923-2008 Determination of nitrogen,phosphorus and potassium for fertilizers by auto analyzer GB/T 24890-2010 Determination of chloride content for compound fertilizers GB/T 24891-2010 Determination of particle size for compound fertilizers GB/T 34764-2017 Determination of copper,iron,zinc,manganese,boron and molybdenum content in fertilizers—Inductively coupled plasma optical emission spectroscopy GB 38400-2019 Limitation requirements of toxic and harmful substance in fertilizers GB/T 8574-2024 Determination of potassium content 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 1116-2014 Fertilizer - Determination of nitrate and ammonium nitrogen content NY/T 1977-2010 Determination of Total Nitrogen, Phosphorus, and Potassium Content in Water-soluble Fertilizers NY/T 2540-2014 The determination of potassium content in fertilizer GB/T 6274-2025 Fertilizers,soil conditioners and beneficial substances—Vocabulary