EN ISO 8968-2 : 2001

Name: EN ISO 8968-2 : 2001
Brand: CEN

Superseded

View Superseded by

MILK - DETERMINATION OF NITROGEN CONTENT - PART 2: BLOCK-DIGESTION METHOD (MACRO METHOD)

Superseded date

01-02-2014

Published date

12-01-2013

Publisher

Comite Europeen de Normalisation

Foreword
1 Scope
2 Normative reference
3 Term and definition
4 Principle
5 Reagents
6 Apparatus
7 Sampling
8 Preparation of test sample
9 Procedure
   9.1 Test portion and pretreatment
   9.2 Determination
   9.3 Blank test
   9.4 Recovery tests
10 Calculation and expression of results
   10.1 Calculation of nitrogen content
   10.2 Calculation of crude protein content
11 Precision
   11.1 Interlaboratory test
   11.2 Repeatability
   11.3 Reproducibility
12 Test report
Bibliography

Gives a method for the determination of the nitrogen content of liquid milk, whole or skimmed, by the block-digestion principle.

Committee	TC 302
DocumentType	Standard
PublisherName	Comite Europeen de Normalisation
Status	Superseded
SupersededBy	EN ISO 8968-1:2014

Standards	Relationship
UNI EN ISO 8968-2 : 2002	Identical
NBN EN ISO 8968-2 : 2002	Identical
NEN EN ISO 8968-2 : 2002	Identical
UNE-EN ISO 8968-2:2002	Identical
PN EN ISO 8968-2 : 2004	Identical
BS EN ISO 8968-2:2002	Identical
ISO 8968-2:2001	Identical
SN EN ISO 8968-2 : 2001	Identical
I.S. EN ISO 8968-2:2002	Identical
NF EN ISO 8968-2 : 2002	Identical
NS EN ISO 8968-2 : 1ED 2002	Identical
DIN EN ISO 8968-2:2002-06	Identical

ISO 8968-1:2014	Milk and milk products — Determination of nitrogen content — Part 1: Kjeldahl principle and crude protein calculation
ISO 5725-1:1994	Accuracy (trueness and precision) of measurement methods and results — Part 1: General principles and definitions
ISO 707:2008	Milk and milk products — Guidance on sampling
ISO 385-1:1984	Laboratory glassware — Burettes — Part 1: General requirements
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 5725:1986	Precision of test methods Determination of repeatability and reproducibility for a standard test method by inter-laboratory tests