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DIN EN ISO 5983-2:2009-10

Current

Current

The latest, up-to-date edition.

ANIMAL FEEDING STUFFS - DETERMINATION OF NITROGEN CONTENT AND CALCULATION OF CRUDE PROTEIN CONTENT - PART 2: BLOCK DIGESTION AND STEAM DISTILLATION METHOD

Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

01-01-2009

Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Principle
5 Reagents
6 Apparatus
7 Sampling
8 Preparation of test sample
9 Procedure
10 Calculation and expression of results
11 Precision
12 Test report
Annex A (informative) - Results of interlaboratory test
Annex B (informative) - Results of a proficiency test;
        comparison of the colorimetric and potentiometric
        endpoint determination of the titration
Bibliography
National Annex NA (informative) - Bibliography

Describes a method for the determination of nitrogen content of animal feeding stuffs according to the Kjeldahl method, and a method for the calculation of the crude protein content.

DocumentType
Standard
Pages
22
PublisherName
German Institute for Standardisation (Deutsches Institut für Normung)
Status
Current

DIN EN 15948:2015-06 CEREALS - DETERMINATION OF MOISTURE AND PROTEIN - METHOD USING NEAR-INFRARED-SPECTROSCOPY IN WHOLE KERNELS

ISO 5725-1:1994 Accuracy (trueness and precision) of measurement methods and results — Part 1: General principles and definitions
DIN EN ISO 385:2005-07 Laboratory glassware - Burettes (ISO 385:2005); German version EN ISO 385:2005
ISO 8655-5:2002 Piston-operated volumetric apparatus Part 5: Dispensers
ISO 1871:2009 Food and feed products General guidelines for the determination of nitrogen by the Kjeldahl method
ISO 5983-1:2005 Animal feeding stuffs Determination of nitrogen content and calculation of crude protein content Part 1: Kjeldahl method
DIN ISO 5725-2:2002-12 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 5725-2:1994 including Technical Corrigendum 1:2002)
ISO 385:2005 Laboratory glassware Burettes
DIN EN ISO 8655-2:2002-12 Piston-operated volumetric apparatus - Part 2: Piston pipettes (ISO 8655-2:2002)
ISO 6497:2002 Animal feeding stuffs Sampling
DIN ISO 5725-1:1997-11 ACCURACY (TRUENESS AND PRECISION) OF MEASUREMENT METHODS AND RESULTS - PART 1: GENERAL PRINCIPLES AND DEFINITIONS
ISO 8655-2:2002 Piston-operated volumetric apparatus Part 2: Piston pipettes
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 6498:2012 Animal feeding stuffs — Guidelines for sample preparation
ISO 8655-3:2002 Piston-operated volumetric apparatus Part 3: Piston burettes
DIN EN ISO 385 E : 2005 LABORATORY GLASSWARE - BURETTES

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