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EN 15688:2008

Fertilizers - Determination of urease inhibitor N-(n-butyl)thiophosphoric triamide (NBPT) using high-performance liquid chromatography (HPLC) EN 15688:2008

Publication date:   Oct 31, 2008

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90.60 Close of review   Sep 2, 2024

CEN

CEN/TC 260 Fertilizers and liming materials

European Norm

65.080   Fertilizers

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This document specifies a method for the quantitative determination of the urease inhibitor N-(n-butyl)thiophosphoric triamide (NBPT) content in water-soluble matrices, i.e. urea based fertilizers using high performance liquid chromatography (HPLC).
NOTE Pure NBPT reference material is required as a standard for the quantitative calibration.

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PUBLISHED
EN 15688:2008
90.60 Close of review
Sep 2, 2024