BS 5551-4.3.1:1983 Fertilizers. Chemical analysis. Determination of potassium. Preparation of the test solution for determination of water-soluble potassium content
This International Standard specifies the reference method for the preparation of test solutions of fertilizers for the subsequent determination of their water-soluble potassium contents.
BS 5551-4.3.1:1983 history
1983BS 5551-4.3.1:1983 Fertilizers. Chemical analysis. Determination of potassium. Preparation of the test solution for determination of water-soluble potassium content