Name: EN 16168:2012
Brand: CEN

Sludge, treated biowaste and soil - Determination of total nitrogen using dry combustion method

Published date

22-08-2012

Publisher

Comite Europeen de Normalisation

Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Principle
5 Interferences and sources of errors
6 Reagents
7 Apparatus
8 Sample storage and sample pretreatment
9 Procedure
10 Calculation
11 Expression of results
12 Precision
13 Test report
Annex A (informative) - Repeatability and
reproducibility data
Bibliography

This European Standard specifies the determination of total nitrogen (organic and inorganic) according to the procedure of Dumas in sludge, treated biowaste and soil. A typical limit of detection is 0,02 % nitrogen, and a typical limit of quantification is 0,08 % nitrogen.

Committee	CEN/TC 444
DevelopmentNote	Supersedes PREN 16168. (09/2012)
DocumentType	Standard
PublisherName	Comite Europeen de Normalisation
Status	Current

Standards	Relationship
I.S. EN 16168:2012	Identical
UNI EN 16168 : 2012	Identical
UNE-EN 16168:2012	Identical
BS EN 16168:2012	Identical
NBN EN 16168 : 2012	Identical
DIN EN 16168:2012-11	Identical
NF EN 16168 : 2012	Identical
NS EN 16168 : 2012	Identical
PN EN 16168 : 2012	Identical
SN EN 16168:2012	Identical
NEN EN 16168 : 2012	Identical

ISO 5667-15:2009	Water quality — Sampling — Part 15: Guidance on the preservation and handling of sludge and sediment samples
ISO 13878:1998	Soil quality Determination of total nitrogen content by dry combustion ("elemental analysis")
ISO 5725-2:1994	Accuracy (trueness and precision) of measurement methods and results Part 2: Basic method for the determination of repeatability and reproducibility of a standard measurement method
ISO 3696:1987	Water for analytical laboratory use — Specification and test methods
EN 13654-2 : 2001	SOIL IMPROVERS AND GROWING MEDIA - DETERMINATION OF NITROGEN - PART 2: DUMAS METHOD
EN ISO 3696:1995	Water for analytical laboratory use - Specification and test methods (ISO 3696:1987)
EN ISO 5667-15:2009	Water quality - Sampling - Part 15: Guidance on the preservation and handling of sludge and sediment samples (ISO 5667-15:2009)
EN 15934:2012	Sludge, treated biowaste, soil and waste - Calculation of dry matter fraction after determination of dry residue or water content
EN 16179:2012	Sludge, treated biowaste and soil - Guidance for sample pretreatment
ISO 18512:2007	Soil quality Guidance on long and short term storage of soil samples