CEN/TS 15476:2006
Withdrawn
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
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Fertilizers - Determination of nitric and ammoniacal nitrogen according to Devarda
08-03-2023
27-09-2006
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 Technical Specification specifies 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).The method is applicable to all nitrogenous fertilizers, including compound fertilizers, in which nitrogen is found exclusively in nitrate form or in ammoniacal and nitrate form.
| Committee |
CEN/TC 260
|
| DocumentType |
Technical Specification
|
| PublisherName |
Comite Europeen de Normalisation
|
| Status |
Withdrawn
|
| SupersededBy |
| Standards | Relationship |
| UNE-CEN/TS 15476:2007 EX | Identical |
| UNI CEN/TS 15476 : 2006 | Identical |
| DD CEN/TS 15476:2006 | Identical |
| NEN NPR CEN/TS 15476 : 2006 | Identical |
| I.S. CEN TS 15476:2006 | Identical |
| DIN CEN/TS 15476:2006-12 | Identical |
| ISO 5725-1:1994 | Accuracy (trueness and precision) of measurement methods and results — Part 1: General principles and definitions |
| EN ISO 3696:1995 | Water for analytical laboratory use - Specification and test methods (ISO 3696:1987) |
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