This standard specifies test methods such as gravimetric method, flame photometry, and plasma emis ion spectrometry for determination of potassium content in fertilizers. This standard is applicable to the determination of potassium content and total potassium content in solid or liquid fertilizers. This standard also applies to soil conditioners.
NY/T 2540-2014 Referenced Document
NY/T 887 Liquid fertilizers.Determination of density
NY/T 2540-2014 history
2014NY/T 2540-2014 Fertilizers.Determination of potassium content