GB/T 18877-2020 Organic inorganic compound fertilizer

GB/T 18877-2009 Organic-inorganic compound fertilizer

GB/T 15063-2020 Compound fertilizer 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 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 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 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 17767.1-1999 Determination of total nitrogen content for organic-inorganic compound fertilizers GB/T 17767.1-2008 Determination of organic-inorganic compound fertilizers—Part 1:Total nitrogen content 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 19524.1-2004 Determination of fecal coliforms in fertilizers GB/T 19524.2-2004 Determination of mortality of ascarid egg in fertilizers GB/T 22924-2008 Determination of biuret content for compound fertilizers(complex fertilizers) 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 GB 38400-2019 Limitation requirements of toxic and harmful substance in fertilizers GB/T 22924-2024 Determination of biuret 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 1117-2006 Determination of Calcium, Magnesium, and Sulfur Content in Water-soluble Fertilizers NY/T 1117-2010 The determination of calcium, magnesium, sulfur, and chloride content in water-soluble fertilizers NY/T 1972-2010 Determination of sodium, selenium, and silicon content in water-soluble fertilizer NY/T 1978-2022 Determination of Mercury, Arsenic, Cadmium, Lead, Chromium, and Nickel Content in Fertilizers NY/T 1978-2010 Determination of Mercury, Arsenic, Cadmium, Lead, and Chromium Content in Fertilizers