SN/T 0736.4-1997 Method of inspection for import and export fertilizers.Determination of sodium.Atomic absorption spectrophotometric method (English Version)
This standard specifies the method for determining the sodium content in imported and exported fertilizers. This standard is applicable to the determination of sodium content in potassium fertilizers such as potassium chloride, potassium sulfate, and potassium nitrate.
SN/T 0736.4-1997 history
1997SN/T 0736.4-1997 Method of inspection for import and export fertilizers.Determination of sodium.Atomic absorption spectrophotometric method