Warning: Some reagents used in this experimental method are toxic or corrosive, so be careful when operating! If it splashes on the skin, rinse it with water immediately. If serious, it should be treated immediately. This part specifies the methods for determination of total phosphorus, water-soluble phosphorus and available phosphorus content of imported and exported chemical fertilizers. This section applies to the determination of phosphorus in imported and exported chemical fertilizers.
SN/T 0736.6-2010 history
2010SN/T 0736.6-2010 Chemical analysis of fertilizers for import and export.Part 6:Determination of phosphorus
1999SN/T 0736.6-1999 Chemical analysis of fertilizers for import and export.Determination of phosphorus content