BS ISO 18643:2016
$142.49
Fertilizers and soil conditioners. Determination of biuret content of urea-based fertilizers. HPLC method
| Published By | Publication Date | Number of Pages |
| BSI | 2016 | 24 |
This International Standard specifies the test procedure for determination of the biuret content in liquid and solid urea-based fertilizers based on the HPLC method.
PDF Catalog
| PDF Pages | PDF Title |
|---|---|
| 6 | Foreword |
| 7 | Introduction |
| 9 | 1 Scope 2 Normative references 3 Principle 4 Reagents 5 Apparatus |
| 10 | 6 Procedure 6.1 Preparation of test sample 6.2 Preparation of test solution 6.3 Preparation of biuret working standard solutions 6.4 HPLC conditions |
| 11 | 6.5 Preparation of standard curve 6.6 Determination of the biuret content in the test solution 6.7 Calculation and expression of the results 6.8 Precision 6.8.1 Ring test |
| 12 | 6.8.2 Repeatability, r 6.8.3 Reproducibility, R 7 Test report |
| 13 | Annex A (informative) Report of international laboratories ring test |
| 19 | Annex B (informative) Alternative method for determination of biuret in fertilizers |
| 20 | Bibilography |
