BS ISO 17322:2015
$198.66
Fertilizers and soil conditioners. Analytical methods for Sulfur Coated Urea (SCU)
| Published By | Publication Date | Number of Pages |
| BSI | 2015 | 60 |
PDF Catalog
| PDF Pages | PDF Title |
|---|---|
| 7 | Foreword |
| 8 | Introduction |
| 9 | 1 Scope 2 Normative references 3 Sampling and sample preparation 4 Determination of the appearance 5 Determination of the mass fraction of total nitrogen 6 Determination of 1DDR and 7DDR 6.1 Titrimetric method after distillation 6.1.1 Principle 6.1.2 Reagents |
| 10 | 6.1.3 Apparatus 6.1.4 Procedure 6.1.5 Calculation |
| 11 | 6.2 Refractometer method 6.2.1 Principle 6.2.2 Reagents 6.2.3 Apparatus |
| 12 | 6.2.4 Procedure |
| 13 | 6.2.5 Calculation |
| 14 | 7 Determination of the mass fraction of sulfur 7.1 Principle 7.2 Reagents 7.3 Apparatus 7.4 Procedure 7.4.1 Determination of the sulfur content |
| 15 | 7.4.2 Blank test 7.5 Calculation 8 Determination of the mass fraction of biuret 8.1 Principle |
| 16 | 8.2 Reagents 8.3 Apparatus 8.4 Procedure 8.4.1 Preparation of the calibration curve. |
| 17 | 8.4.2 Preparation of the solution to be analysed 8.5 Calculation |
| 18 | 9 Determination of the water content 9.1 Principle 9.2 Reagents 9.3 Apparatus 9.4 Installation and test of the Karl Fischer titrator |
| 19 | 9.5 Procedure 9.5.1 Standardization of the Karl Fischer reagent 9.5.2 Determination 9.6 Calculation 9.6.1 Water equivalent of the Karl Fischer reagent |
| 20 | 9.6.2 Water content of the sample 10 Determination of particle size 11 Precision 11.1 Ring test 11.2 Repeatability |
| 21 | 11.3 Reproducibility 12 Test report |
| 22 | Annex A (informative) Interlaboratory testing |
| 56 | Bibliography |
