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>26/30550782 DC BS EN 18317 Organo-mineral fertilizers - Determination of the N-(n-butyl) thiophosphoric triamide (NBPT) urease inhibitor content
sklademVydáno: 2026-02-19
26/30550782 DC BS EN 18317 Organo-mineral fertilizers - Determination of the N-(n-butyl) thiophosphoric triamide (NBPT) urease inhibitor content

26/30550782 DC

BS EN 18317 Organo-mineral fertilizers - Determination of the N-(n-butyl) thiophosphoric triamide (NBPT) urease inhibitor content

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Označení normy:26/30550782 DC
Počet stran:21
Vydáno:2026-02-19
Status:Draft for Comment
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26/30550782 DC


This standard 26/30550782 DC BS EN 18317 Organo-mineral fertilizers - Determination of the N-(n-butyl) thiophosphoric triamide (NBPT) urease inhibitor content is classified in these ICS categories:
  • 65.080 Fertilizers
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.
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