This standard specifies the method for determining the total phosphorus (PO) and potassium (KO) content in nitrogen, phosphorus and potassium ternary compound fertilizers using a wavelength dispersive X-ray fluorescence spectrometer. This standard is applicable to the determination of total phosphorus (PO) and potassium (KO) content in nitrogen, phosphorus and potassium ternary compound fertilizers. The measurement range is shown in Table 1.
SN/T 3793-2014 history
2014SN/T 3793-2014 Determination of total phosphorus, potassium content in compound fertilizers.X-ray fluorescence spectrometry