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S.R. CEN TS 15705:2009

S.R. CEN TS 15705:2009

Withdrawn

Withdrawn

A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.

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withdrawn

A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.

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

Withdrawn date

05-05-2010

Language(s)

English

Published date

04-03-2009

Publisher

National Standards Authority of Ireland

Preview

Foreword
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
23
PublisherName
National Standards Authority of Ireland
Status
Withdrawn
SupersededBy

Standards Relationship
CEN/TS 15705:2009 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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