DIN EN 16651:2015 Edition

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Fertilizers – Determination of N-(n-Butyl)thiophosphoric acid triamide (NBPT) and N-(n-Propyl)thiophosphoric acid triamide (NPPT) – Method using high-performance liquid chromatography (HPLC)

Published By	Publication Date	Number of Pages
DIN	2015-07	13

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Categories: 65.080 - Fertilizers, DIN

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Description

This European Standard specifies a method for the quantitative determination of the urease inhibitors N-(n-Butyl)thiophosphoric acid triamide (NBPT) and N-(n-Propyl)thiophosphoric acid triamide (NPPT) content in urea based fertilizers using high-performance liquid chromatography (HPLC).The fertilizer sample is diluted in water. The concentration of NBPT and NPPT is determined in diluted aqueous solution by HPLC using an UV detector at 205 nm.

Additional information

Published Code	DIN
Published By	Deutsches Institut für Normung
Publication Date	2015-07
Pages Count	13
Language	Germany
Descriptors	Chromatography, Determination of content, Fertilizers, High performance liquid chromatography, HPLC, Inhibitors, Sampling methods, Soil improving materials, Test performance, Testing, Urea, Urease
File Size	1.1 MB
ICS Codes	65.080 - Fertilizers

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DIN EN 16651:2015 Edition

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