Name: UNI EN 16169 : 2012
Brand: UNI

SLUDGE, TREATED BIOWASTE AND SOIL - DETERMINATION OF KJELDAHL NITROGEN

Published date

09-25-2012

Publisher

Ente Nazionale Italiano di Unificazione (UNI)

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

Defines the determination of Kjeldahl nitrogen according to the Kjeldahl procedure in sludge, treated biowaste and soil.

Committee	CT 4
DocumentType	Standard
PublisherName	Ente Nazionale Italiano di Unificazione (UNI)
Status	Current

Standards	Relationship
EN 16169:2012	Identical

ISO 5663:1984	Water quality — Determination of Kjeldahl nitrogen — Method after mineralization with selenium
EN 13342:2000	Characterisation of sludges - Determination of Kjeldahl nitrogen
EN ISO 11732:2005	Water quality - Determination of ammonium nitrogen - Method by flow analysis (CFA and FIA) and spectrometric detection (ISO 11732:2005)
EN 25663 : 1993	WATER QUALITY - DETERMINATION OF KJELDAHL NITROGEN - METHOD AFTER MINERALIZATION WITH SELENIUM
ISO 11464:2006	Soil quality Pretreatment of samples for physico-chemical analysis
ISO 11732:2005	Water quality — Determination of ammonium nitrogen — Method by flow analysis (CFA and FIA) and spectrometric detection
EN 13654-1:2001	Soil improvers and growing media - Determination of nitrogen - Part 1: Modified Kjeldahl method
ISO 5667-15:2009	Water quality — Sampling — Part 15: Guidance on the preservation and handling of sludge and sediment samples
ISO 11261:1995	Soil quality — Determination of total nitrogen — Modified Kjeldahl method
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 ISO 3696:1995	Water for analytical laboratory use - Specification and test methods (ISO 3696:1987)
EN 15002:2015	Characterization of waste - Preparation of test portions from the laboratory sample
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