UNE-EN 13342:2001
Current
The latest, up-to-date edition.
Characterization of sludges - Determination of Kjeldahl nitrogen
Hardcopy , PDF
Spanish, Castilian, English
23-05-2001
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Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Principle
5 Limitations and interferences
6 Reagents
7 Apparatus
8 Sample pretreatment
9 Procedure
10 Expression of results
11 Test report
Annex A (informative) Performance data of interlaboratory
comparison
Specifies a method to determine the "Kjeldahl Nitrogen" in sludge and sludge products. Digestion is catalysed by copper or selenium, the temperature being raised by a high concentration of sodium sulphate. Although wet samples are usually taken for analysis, it is recognized practice to report results on a dry mass basis (g/kg).
| Committee |
CTN 77/SC 1
|
| DocumentType |
Standard
|
| Pages |
14
|
| PublisherName |
Asociacion Espanola de Normalizacion
|
| Status |
Current
|
| Standards | Relationship |
| NF EN 13342 : 2000 | Identical |
| NBN EN 13342 : 2000 | Identical |
| NEN EN 13342 : 2000 | Identical |
| NS EN 13342 : 1ED 2000 | Identical |
| I.S. EN 13342:2000 | Identical |
| SN EN 13342 : 2000 | Identical |
| UNI EN 13342 : 2002 | Identical |
| BS EN 13342:2000 | Identical |
| EN 13342:2000 | Identical |
| DIN EN 13342:2001-01 | Identical |
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