CEREALS AND PULSES - DETERMINATION OF THE NITROGEN CONTENT AND CALCULATION OF THE CRUDE PROTEIN CONTENT - KJELDAHL METHOD (ISO 20483:2013)

Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

01-01-2013

Publisher

National Standards Authority of Ireland

Preview

For Harmonized Standards, check the EU site to confirm that the Standard is cited in the Official Journal.

Only cited Standards give presumption of conformance to New Approach Directives/Regulations.

Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Principle
5 Reagents
6 Apparatus
7 Sampling
8 Preparation of test sample
9 Determination of the moisture content
10 Procedure
11 Expression of results
12 Precision
13 Test report
Annex A (informative) - Results of interlaboratory
        tests
Annex B (informative) - Critical difference and
        practical application of the repeatability
        and reproducibility limits to different
        protein contents
Annex C (informative) - Factors for converting
        nitrogen content to protein content
Bibliography

Describes a method for the determination of the nitrogen content of cereals, pulses and derived products, according to the Kjeldahl method, and a method for calculating the crude protein content.

DocumentType	Standard
Pages	26
PublisherName	National Standards Authority of Ireland
Status	Current
Supersedes	I.S. EN ISO 20483:2006

Standards	Relationship
DIN EN ISO 20483:2014-03	Identical
UNI EN ISO 20483 : 2014	Identical
NEN EN ISO 20483 : 2013	Identical
BS EN ISO 20483:2013	Identical
NS EN ISO 20483 : 2013	Identical
NF EN ISO 20483 : 2014	Identical
UNE-EN ISO 20483:2014	Identical
EN ISO 20483:2013	Identical
SN EN ISO 20483:2014	Identical
ISO 20483:2013	Identical
NBN EN ISO 20483 : 2014	Identical
DIN EN ISO 20483 E : 2014	Identical

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
ISO 3188:1978	Starches and derived products — Determination of nitrogen content by the Kjeldahl method — Titrimetric method
ISO 712:2009	Cereals and cereal products — Determination of moisture content — Reference method
ISO 5725-3:1994	Accuracy (trueness and precision) of measurement methods and results — Part 3: Intermediate measures of the precision of a standard measurement method
ISO 5725-6:1994	Accuracy (trueness and precision) of measurement methods and results — Part 6: Use in practice of accuracy values
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 6540:1980	Maize Determination of moisture content (on milled grains and on whole grains)
ISO 24333:2009	Cereals and cereal products — Sampling
ISO 24557:2009	Pulses Determination of moisture content Air-oven method

View more information

£33.86

Excluding VAT

Product format

I agree to the DRM document license rules apply against the PDF selection made.

Please confirm that you agree to the document license rules for this document.

I agree to the document license rules .

Please confirm that you agree to the document license rules for this document.

Access your standards online with a subscription

Features

Simple online access to standards, technical information and regulations.
Critical updates of standards and customisable alerts and notifications.
Multi-user online standards collection: secure, flexible and cost effective.

Learn more on subscription solutions

Get in touch with us

Log into your Account

I.S. EN ISO 20483:2013

Current

Table of Contents

Abstract

General Product Information

International Equivalents

Standards Referencing This Book

Category

Subcategory

Access your standards online with a subscription