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

Standard No.

EN 15688:2008

Release Date

2008

Published By

European Committee for Standardization (CEN)

Latest

EN 15688:2008

Scope

This document specifies a method for the quantitative determination of the urease inhibitor N-(nbutyl)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.

EN 15688:2008 history

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