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EVS-EN 13342:2001

Characterisation of sludges - Determination of Kjeldahl nitrogen

General information

Valid from 01.02.2001
Base Documents
EN 13342:2000
ICS Groups
13.030.20 Liquid wastes. Sludge
Directives or regulations
None

Standard history

Status
Date
Type
Name
01.02.2001
Main
EVS-EN 13342:2001
This standard describes a procedure for the determination of  Kjeldahl Nitrogen  in sludge and sludge products. The digestion is catalysed by selenium or copper, the temperature being raised by a high consentration of sodium sulphate.
Although wet samples are normally taken for analysis, it is recognised practice to report results on a dry mass basis (g/kg). Consequently, it is also necessary to determine the dry residue of the homogenised sample for analysis (see EN 12880).

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Standards designation

EVS Estonian standard
EN European standard (published by an CEN or CENELEC)
EN ISO International standard adopted as an European standard
ISO International Organization for Standardization’s standard
IEC International Electrotechnical Commission’s standard
HD CENELEC’s harmonisation document
   
EVS-EN European standard implemented in Estonia
EVS-EN ISO International standard adopted in Europe and implemented in Estonia
EVS-EN ISO/IEC International standard/International electrotechnical standard adopted in Europe and implemented in Estonia
EVS-IEC International electrotechnical standard implemented in Estonia
EVS-ISO International standard implemented in Estonia
   
A, AMD amedment
+A a full standard plus the amendment
/A only amendment
COR, AC corrigendum
+COR a full standard plus the corrigendum
NA national annex
+NA a full standard plus the national annex
/NA only national annex
TS technical specification
TR technical report
CWA agreement, developed by a CEN or CENELEC
prEVS-EN (etc) draft standard
   
et the standard is in Estonian only
en the standard is in English only
et-en the standard is in Parallel text Estonian-English