FERTILIZERS - DETERMINATION OF UREASE INHIBITOR N-(N-BUTYL)THIOPHOSPHORIC TRIAMIDE (NBPT) USING HIGH-PERFORMANCE LIQUID CHROMATOGRAPHY (HPLC)

Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

01-01-2008

Publisher

German Institute for Standardisation (Deutsches Institut für Normung)

National foreword
Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Principle
5 Reagents
6 Apparatus
7 Sampling and sample preparation
8 Procedure
9 Calculation and expression of the result
10 Precision
11 Test report
Annex A (informative) - Results of the inter-laboratory
test
Bibliography
National Annex NA (informative) - Bibliography

Describes 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).

DocumentType	Standard
Pages	12
PublisherName	German Institute for Standardisation (Deutsches Institut für Normung)
Status	Current

Standards	Relationship
EN 15688:2008	Identical

ISO 5725-1:1994	Accuracy (trueness and precision) of measurement methods and results — Part 1: General principles and definitions
EN 12944-2:1999/AC:2000	FERTILIZERS AND LIMING MATERIALS AND SOIL IMPROVERS - VOCABULARY - PART 2: TERMS RELATING TO FERTILIZERS
EN 12944-1:1999/AC:2000	FERTILIZERS AND LIMING MATERIALS AND SOIL IMPROVERS - VOCABULARY - PART 1: GENERAL TERMS
EN 1482-2:2007	Fertilizers and liming materials - Sampling and sample preparation - Part 2: Sample preparation
DIN ISO 5725-1:1997-11	ACCURACY (TRUENESS AND PRECISION) OF MEASUREMENT METHODS AND RESULTS - PART 1: GENERAL PRINCIPLES AND DEFINITIONS
ISO 3696:1987	Water for analytical laboratory use — Specification and test methods
EN ISO 3696:1995	Water for analytical laboratory use - Specification and test methods (ISO 3696:1987)
EN 1482-1:2007	Fertilizers and liming materials - Sampling and sample preparation - Part 1: Sampling
DIN ISO 3696:1991-06	WATER FOR ANALYTICAL LABORATORY USE - SPECIFICATION AND TEST METHODS

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DIN EN 15688 E : 2008

FERTILIZERS - DETERMINATION OF UREASE INHIBITOR N-(N-BUTYL)THIOPHOSPHORIC TRIAMIDE (NBPT) USING HIGH-PERFORMANCE LIQUID CHROMATOGRAPHY (HPLC)

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Abstract

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