Description
This standard specifies the method of the determination of total phosphorus in fertilizers using the spectrophotometric method.
TABLE OF CONTENTS
| Contents | Pages |
| 1 Scope | 1 |
| 2 Apparatus | 1 |
| 3 Reagents | 1 |
| 4 Preparation of standard curve | 1 |
| 5 Preparation of sample solution | 2 |
| 6 Determination | 2 |
| 7 Calculation | 2 |
| 8 Test Report | 2 |