I.S. EN 13654-1:2002
Current
The latest, up-to-date edition.
SOIL IMPROVERS AND GROWING MEDIA - DETERMINATION OF NITROGEN - PART 1: MODIFIED KJELDAHL METHOD
Hardcopy , PDF
English
01-01-2002
For Harmonized Standards, check the EU site to confirm that the Standard is cited in the Official Journal.
Only cited Standards give presumption of conformance to New Approach Directives/Regulations.
Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Principle
5 Reagents
6 Apparatus
7 Test sample
8 Procedure
9 Calculation
10 Expression of results
11 Precision
12 Test report
Annex A (informative) Results of an interlaboratory trial
to determine nitrogen (modified Kjeldahl method)
Annex B (informative) Methods of analysis used in the
interlaboratory trial
Bibliography
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