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CEN
EN 15479:2009

EN 15479:2009

Current

Current

The latest, up-to-date edition.

Fertilizers - Spectrophotometric determination of biuret in urea

Published date

01-14-2009

Publisher

Comite Europeen de Normalisation

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

This European Standard specifies a method for the determination of biuret in urea. The method is applicable to urea and urea-based fertilizers.

Committee
CEN/TC 260
DevelopmentNote
Supersedes CEN/TS 15479. (02/2009)
DocumentType
Standard
PublisherName
Comite Europeen de Normalisation
Status
Current
Supersedes

Standards Relationship
PN EN 15479 : 2009 Identical
NEN EN 15479 : 2009 Identical
SN EN 15479 : 2009 Identical
DIN EN 15479:2009-04 Identical
UNI EN 15479 : 2009 Identical
NS EN 15479 : 2009 Identical
NBN EN 15479 : 2009 Identical
I.S. EN 15479:2009 Identical
NF EN 15479 : 2009 Identical
UNE-EN 15479:2009 Identical
BS EN 15479:2009 Identical
DIN EN 15479 E : 2009 Identical

S.R. CEN/TS 16490:2013 FERTILIZERS - COMPARISON OF THE CEN/TC 260/WG 7 RING TEST RESULTS WITH TOLERANCES GIVEN IN THE REGULATION (EC) NR 2003/2003 ANNEX 2 AND CONCLUSIONS
14/30280953 DC : 0 BS ISO 18642 - FERTILIZER AND SOIL CONDITIONERS - FERTILIZER GRADE UREA - GENERAL REQUIREMENTS
ISO 18642:2016 Fertilizer and soil conditioners Fertilizer grade urea General requirements
CEN/TS 16490:2013 Fertilizers - Comparison of the CEN/TC 260/WG 7 ring test results with tolerances given in the Regulation (EC) Nr 2003/2003 Annex II and conclusions
BS ISO 17322:2015 Fertilizers and soil conditioners. Analytical methods for Sulfur Coated Urea (SCU)
UNE-CEN/TS 16490:2016 Fertilizers - Comparison of the CEN/TC 260/WG 7 ring test results with tolerances given in the Regulation (EC) Nr 2003/2003 Annex II and conclusions
ISO 17322:2015 Fertilizers and soil conditioners Analytical methods for Sulfur Coated Urea (SCU)
PD CEN/TS 16490:2013 Fertilizers. Comparison of the CEN/TC 260/WG 7 ring test results with tolerances given in the Regulation (EC) Nr 2003/2003 Annex II and conclusions
BS ISO 18642:2016 Fertilizer and soil conditioners. Fertilizer grade urea. General requirements
UNI CEN/TS 16490 : 2013 FERTILIZERS - COMPARISON OF THE CEN/TC 260/WG 7 RING TEST RESULTS WITH TOLERANCES GIVEN IN THE REGULATION (EC) NR 2003/2003 ANNEX 2 AND CONCLUSIONS
13/30253060 DC : 0 BS ISO 17322 - FERTILIZERS AND SOIL CONDITIONERS - SULFUR COATED UREA (SCU) - ANALYTICAL METHODS

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 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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