I.S. 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)
Hardcopy , PDF
English
01-01-2015
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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
Defines 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).
DocumentType |
Standard
|
Pages |
14
|
PublisherName |
National Standards Authority of Ireland
|
Status |
Current
|
Standards | Relationship |
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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