GB 18877-2002 Organic-inorganic compound fertilizers

GB/T 18877-2009 Organic-inorganic compound fertilizer

GB/T 610.1 GB 7959-1987 Sanitary standard for the non-hazardous treatment of night soil GB 15063-2001 Compound fertilizer(Complex fertilizer) GB 18382-2001 Fertilizer marking—Presentation and declaration GB/T 1250-1989 Rules for expression and judgement of limiting values GB/T 6679-2003 General rules for sampling solid chemical products GB/T 7686-1987 Chemical products for industrial use—General method for the determination of arsenic GB/T 7686-2008 Chemical products for industrial use—General method for the determination of arsenic GB/T 7686-2016 General method for determination of arsenic content of chemical products GB 8172-1987 Control standards for urban wastes for agricultural use 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 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 HG/T 2843-1997 Fertilizer products commonly used in chemical analysis include standard titration solutions, standard solutions, reagent solutions, and indicator solutions