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I.S. EN 15705:2010

I.S. EN 15705:2010

Superseded

Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

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superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

FERTILIZERS - DETERMINATION OF UREA CONDENSATES USING HIGHPERFORMANCE LIQUID CHROMATOGRAPHY (HPLC) - ISOBUTYLIDENEDIUREA AND CROTONYLIDENEDIUREA (METHOD A) AND METHYLEN-UREA OLIGOMERS (METHOD B)

Available format(s)

Hardcopy , PDF

Superseded date

21-12-2023

Language(s)

English

Published date

01-01-2010

Publisher

National Standards Authority of Ireland

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.


Dates of withdrawal of national standards are available from NSAI.

Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Sampling and sample preparation
5 Method A: Determination of CDU and IBDU
6 Method B: Determination of methylen-urea oligomers (MU)
7 Precision method A and method B
8 Test report
Annex A (informative) - Results of the inter-laboratory tests
Annex B (informative) - Chromatogram and calibration curves
        method A
Annex C (informative) - Chromatogram and calibration curves
        method B
Bibliography

Describes methods for the determination of isobutylidenediurea (IBDU), crotonylidenediurea (CDU) (method A) and methylene-urea oligomers (MU) (method B) in fertilizers using high-performance liquid chromatography (HPLC).

DocumentType
Standard
Pages
24
PublisherName
National Standards Authority of Ireland
Status
Superseded
SupersededBy
Supersedes

Standards Relationship
EN 15705:2010 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
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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PDF - English
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