I.S. EN 15705:2010
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
View Superseded by
FERTILIZERS - DETERMINATION OF UREA CONDENSATES USING HIGHPERFORMANCE LIQUID CHROMATOGRAPHY (HPLC) - ISOBUTYLIDENEDIUREA AND CROTONYLIDENEDIUREA (METHOD A) AND METHYLEN-UREA OLIGOMERS (METHOD B)
Hardcopy , PDF
21-12-2023
English
01-01-2010
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Superseded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 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 |
Access your standards online with a subscription
Features
-
Simple online access to standards, technical information and regulations.
-
Critical updates of standards and customisable alerts and notifications.
-
Multi-user online standards collection: secure, flexible and cost effective.