DIN EN 13654-1-2002 Soil improvers and growing media - Determination of nitrogen - Part 1 Modified Kjeldahl method German version EN 13654-1 2001《土壤改良和生长介质 氮含量测定 第1部分 改良的基耶达尔法》.pdf

1、ICS 65.080Bodenverbesserungsmittel und Kultursubstrate Bestimmung von Stickstoff Teil 1: ModifiziertesVerfahren nach KjeldahlEuropean Standard EN 13654-1 : 2001 has the status of a DIN Standard.A comma is used as the decimal marker.National forewordThis standard has been prepared by CEN/TC 223 Ferti

2、lizers and liming materials (Secretariat: Germany).The responsible German body involved in its preparation was the Normenausschuss Lebensmittel undlandwirtschaftliche Produkte (Foodstuffs and Agricultural Products Standards Committee), TechnicalCommittee Bodenverbesserungsmittel und Kultursubstrate.

3、Ref. No. DIN EN 13654-1 : 2002-01English price group 08 Sales No. 110805.02DEUTSCHE NORM January 2002EN 13654-1Continued overleaf.EN comprises 8 pages. No part of this standard may be reproduced without the prior permission ofDIN Deutsches Institut fr Normung e. V., Berlin. Beuth Verlag GmbH, 10772

4、Berlin, Germany,has the exclusive right of sale for German Standards (DIN-Normen).Soil improvers and growing media Determination of nitrogenPart 1: Modified Kjeldahl methodEnglish version of DIN EN 13654-1English versionICS 65.080Descriptors:Soil improvers and growing media Determination of nitrogen

5、Part 1: Modified Kjeldahl method 2001. CEN All rights of exploitation in any form and by any meansreserved worldwide for CEN national members.Ref. No. EN 13654-1 : 2001 EBodenverbesserungsmittel undKultursubstrate Bestimmung vonStickstoff Teil 1: ModifiziertesVerfahren nach KjeldahlThis European Sta

6、ndard was approved by CEN on 2001-08-11.CEN members are bound to comply with the CEN/CENELEC Internal Regulationswhich stipulate the conditions for giving this European Standard the status of anational standard without any alteration.Up-to-date lists and bibliographical references concerning such na

7、tional stand-ards may be obtained on application to the Management Centre or to anyCEN member.The European Standards exist in three official versions (English, French, German).A version in any other language made by translation under the responsibility of aCEN member into its own language and notifi

8、ed to the Management Centre hasthe same status as the official versions.CEN members are the national standards bodies of Austria, Belgium, the CzechRepublic, Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy,Luxembourg, the Netherlands, Norway, Portugal, Spain, Sweden, Switzerland,a

9、nd the United Kingdom.EN 13654-1September 2001Management Centre: rue de Stassart 36, B-1050 BrusselsEuropean Committee for StandardizationComit Europen de NormalisationEuropisches Komitee fr Normung|Amendements du sol et supports deculture Dtermination de lazote Partie 1: Mthode de KjeldahlmodifiePage 2EN 13654-1 : 2001Page2333334446666788Page 3EN 13654-1 : 2001Page 4EN 13654-1 : 2001Page 5EN 13654-1 : 2001Page 6EN 13654-1 : 2001Page 7EN 13654-1 : 2001Page 8EN 13654-1 : 2001