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

Standard No.

BS EN 15688:2008

Release Date

2008

Published By

British Standards Institution (BSI)

Latest

BS 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.

BS EN 15688:2008 Referenced Document

• EN 1482-2 Fertilizers and liming materials - Sampling and sample preparation - Part 2: Sample preparation
• EN ISO 3696 Water for Analytical Laboratory Use- Specification and Test Methods (ISO 3696 : 1987)

BS EN 15688:2008 history

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