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I.S. EN 16651:2015

Current
Current

The latest, up-to-date edition.

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)
Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

01-01-2015

Preview

For Harmonized Standards, check the EU site to confirm that the Standard is cited in the Official Journal.

Only cited Standards give presumption of conformance to New Approach Directives/Regulations.

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

Defines a method for the quantitative determination of the urease inhibitors N-(n-Butyl)thiophosphoric acid triamide (NBPT, CAS-No. 94317-64-3) and N-(n-Propyl)thiophosphoric acid triamide (NPPT, CAS-No. 916809-14-8) content in urea based fertilizers using high-performance liquid chromatography (HPLC).

DocumentType
Standard
Pages
14
PublisherName
National Standards Authority of Ireland
Status
Current

Standards Relationship
EN 16651:2015 Identical

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
ISO 5725-2:1994 Accuracy (trueness and precision) of measurement methods and results Part 2: Basic method for the determination of repeatability and reproducibility of a standard measurement method
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

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