EN 16651:2015
Current
The latest, up-to-date edition.
Fertilizers - Determination of N-(n-Butyl)thiophosphoric acid triamide (NBPT) and N-(n-Propyl)thiophosphoric acid triamide (NPPT) - Method using high-performance liquid chromatography (HPLC)
20-05-2015
Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Principle
5 Reagents
6 Apparatus
7 Sampling
8 Procedure
9 Precision
10 Test report
Annex A (informative) - Results of the
inter-laboratory test
Bibliography
This European Standard specifies a method for the quantitative determination of the urease inhibitors N-(n-Butyl)thiophosphoric acid triamide (NBPT, CAS-No. 94317-64-3) and N-(n-Propyl)thiophosphoric acid triamide (NPPT, CAS-No. 916809-14-8) content in urea based fertilizers using high-performance liquid chromatography (HPLC).
| Committee |
CEN/TC 260
|
| DevelopmentNote |
Supersedes PREN 16651. (05/2015)
|
| DocumentType |
Standard
|
| PublisherName |
Comite Europeen de Normalisation
|
| Status |
Current
|
| Standards | Relationship |
| DIN EN 16651:2015-07 | Identical |
| NS EN 16651 : 2015 | Identical |
| I.S. EN 16651:2015 | Identical |
| BS EN 16651:2015 | Identical |
| NF EN 16651 : 2015 | Identical |
| UNE-EN 16651:2016 | Identical |
| NBN EN 16651 : 2015 | Identical |
| SN EN 16651 : 2015 | Identical |
| NEN EN 16651 : 2015 | Identical |
| UNI EN 16651 : 2015 | Identical |
| PN EN 16651 : 2015 | Identical |
| EN 1482-2:2007 | Fertilizers and liming materials - Sampling and sample preparation - Part 2: Sample preparation |
| ISO 5725-2:1994 | Accuracy (trueness and precision) of measurement methods and results Part 2: Basic method for the determination of repeatability and reproducibility of a standard measurement method |
| ISO 3696:1987 | Water for analytical laboratory use — Specification and test methods |
| EN ISO 3696:1995 | Water for analytical laboratory use - Specification and test methods (ISO 3696:1987) |
| EN 1482-1:2007 | Fertilizers and liming materials - Sampling and sample preparation - Part 1: Sampling |
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