Description
This standard specifies a spectrophotometric molybdovanadophosphate method for the determination of available phosphorus content of fertilizers.
TABLE OF CONTENTS
| Content | Page |
| 1 Scope | 1 |
| 2 Reagents | 1 |
| 3 Apparatus | 2 |
| 4 Preparation of test sample | 2 |
| 5 Procedure | 2 |
| 6 Expression of results | 4 |
| 7 Test report | 5 |