UNI EN 15476 : 2009
Current
The latest, up-to-date edition.
FERTILIZERS - DETERMINATION OF NITRIC AND AMMONIACAL NITROGEN ACCORDING TO DEVARDA
16-04-2009
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
Describes a method for the determination of nitrate and ammoniacal nitrogen with reduction using Devarda alloy (modified for each of the variants a, b and c).
| DevelopmentNote |
Supersedes UNI CEN/TS 15476. (04/2009)
|
| DocumentType |
Standard
|
| PublisherName |
Ente Nazionale Italiano di Unificazione (UNI)
|
| Status |
Current
|
| Supersedes |
| Standards | Relationship |
| EN 15476:2009 | 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 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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