This standard specifies the determination method of total phosphorus, water-soluble phosphorus and available phosphorus content of imported and exported chemical fertilizers. This standard is applicable to the determination of phosphorus content in chemical fertilizers such as compound fertilizers, three-material superphosphate, and diammonium hydrogen phosphate.
SN/T 0736.6-1999 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