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DIN EN 18317:2026-03
Organo-mineral fertilizers - Determination of the N-(n-butyl)thiophosphoric triamide (NBPT) urease inhibitor content; German and English version prEN 18317:2026 / Note: Date of issue 2026-01-30
| Fecha edición: |
2026-03-01
En Vigor
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| Idiomas disponibles: | Alemán, Inglés |
| Resumen: | This document specifies a method for the determination of the urease inhibitor N-(n-butyl)thiophosphoric triamide (NBPT) and its oxidate form N-(n-butyl)phosphoric triamide (NBPTO) in urea based organo-mineral fertilizers, using the liquid chromatography coupled with triple quadrupole mass spectrometry (LC-MSQQQ). This document is applicable to organo-mineral fertilizers. NOTE It is possible to apply this method to inorganic fertilizers; in this case a validation is carried out by the laboratory for the procedure and data generated. |
| Keywords: | Content|Coupled|Determination|Determination of content|Determination procedures|Fertilizers|Fertilizing|Inhibitors|Liquid chromatography|Mass spectrometry|Mathematical calculations|Mineral|Minerals|Organic|Organic matters|Sample preparation|Sampling methods|Soil improving materials|Testing|Urea|Urease |
| ICS: | 65.080 - Fertilizantes |
| CTN: |
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