Description
This standard specifies the reference method for the preparation of test solutions of fertilizers for the subsequent determination of their water-soluble potassium contents.
TABLE OF CONTENTS
| Content | Page |
| 1 Scope | 1 |
| 2 Principle | 1 |
| 3 Reagent | 1 |
| 4 Apparatus | 1 |
| 5 Procedure | 1 |
| 6 Test report | 1 |