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GB/T 8574-2010 Determination of potassium content for compound fertilizers - Potassium tetraphenylborate gravimetric method 120.0 via email in 1~3 business day valid
GB/T 10516-2012 Determination of average crushing strength for nitrophosphate 120.0 via email in 1~3 business day valid
GB/T 8571-2008 Preparation of laboratory samples for compound fertilizers 60.0 via email in 1~3 business day valid
NY/T 1867-2010 Determination of humus content in soil 90.0 via email in 1~3 business day valid
GB/T 2947-2002 Determination of free water in urea and ammonium nitrate--Karl Fischer method 60.0 via email in 1~3 business day valid
GB/T 8571-2002 Preparation of laboratory samples for compound fertilizers 45.0 via email in 1~3 business day abolished
GB/T 10209.1-2008 Determination of monoammonium phosphate and diammonium phoshpate - Part 1: Total nitrogen content 120.0 via email in 1~3 business day valid
GB/T 8577-2010 Determination of free water for compound fertilizers—Karl Fischer method 120.0 via email in 1~3 business day valid
GB/T 14540-2003 of copper, iron manganese, zine, boron and molybdenum content for compound fertilizers 150.0 via email in 1~3 business day valid
GB/T 3600-2000 Fertilizers;Determination of ammoniacal nitrogen content;Formaldehyde method 90.0 via email in 1~3 business day valid
GB 10511-1989 The determination of total nitrogen content for nitrophosphate titrimetric method after distillation 60.0 via email in 1~3 business day abolished
SN/T 0736.10-1999 Chemical analysis of fertilizers for import and export - Determination of free acid content 45.0 via email in 1~3 business day abolished
SN/T 0840-1999 Method for the determination of nitrogen content of urea for import and export 30.0 via email in 1~3 business day abolished
SN/T 0736.11-2002 Chemical analysis of fertilizers for import and export - Determination of nitrogen content by auto analyzer 105.0 via email in 1~3 business day valid
SN/T 0736.4-1997 Method of inspection for import and export fertilizers - Determination of sodium - Atomic absorption spectrophotometric method 45.0 via email in 1~3 business day valid
SN/T 0736.5-1999 Chemical analysis of fertilizers for import and export―Determination of nitrogen content 90.0 via email in 1~3 business day abolished
GB/T 17767.3-2010 Determination of organic-inorganic compound fertilizers—Part 3:Total potassium content 120.0 via email in 1~3 business day valid
GB/T 17767.2-2010 Determination of organic-inorganic compound fertilizers—Part 2:Total phosphorus content 120.0 via email in 1~3 business day valid
SN/T 0736.9-1999 Chemical analysis of fertilizers for import and export―Determination of choride ion content 45.0 via email in 1~3 business day abolished
HG/T 2224-1991 Granular Triple Superphosphate - Determination of the Mean Compressive Strength of Particles 30.0 via email in 1~3 business day valid
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