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UNI
UNI CEN/TS 15705 : 2009

UNI CEN/TS 15705 : 2009

Superseded

Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.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superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.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 HIGH-PERFORMANCE LIQUID CHROMATOGRAPHY (HPLC) - ISOBUTYLIDENEDIUREA AND CROTONYLIDENEDIUREA (METHOD A) AND METHYLEN-UREA OLIGOMERS (METHOD B)

Superseded date

15-04-2010

Published date

01-01-2009

Publisher

Ente Nazionale Italiano di Unificazione (UNI)

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

Defines 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
PublisherName
Ente Nazionale Italiano di Unificazione (UNI)
Status
Superseded
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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