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SLOVENSKI STANDARD
01-januar-2023
Nadomešča:
SIST EN ISO 11746:2012
SIST EN ISO 11746:2012/A1:2018
Riž - Ugotavljanje biometričnih lastnosti zrn (ISO 11746:2020)
Rice - Determination of biometric characteristics of kernels (ISO 11746:2020)
Reis - Bestimmung der biometrischen Eigenschaften von Reiskörnern (ISO 11746:2020)
Riz - Détermination des caractéristiques biométriques des grains (ISO 11746:2020)
Ta slovenski standard je istoveten z: EN ISO 11746:2022
ICS:
67.060 Žita, stročnice in proizvodi iz Cereals, pulses and derived
njih products
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.
EN ISO 11746
EUROPEAN STANDARD
NORME EUROPÉENNE
October 2022
EUROPÄISCHE NORM
ICS 67.060 Supersedes EN ISO 11746:2012
English Version
Rice - Determination of biometric characteristics of
kernels (ISO 11746:2020)
Riz - Détermination des caractéristiques biométriques Reis - Bestimmung der biometrischen Eigenschaften
des grains (ISO 11746:2020) von Reiskörnern (ISO 11746:2020)
This European Standard was approved by CEN on 23 October 2022.
This European Standard was corrected and reissued by the CEN-CENELEC Management Centre on 16 November 2022.
CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this
European Standard the status of a national standard without any alteration. Up-to-date lists and bibliographical references
concerning such national standards may be obtained on application to the CEN-CENELEC Management Centre or to any CEN
member.
This European Standard exists in three official versions (English, French, German). A version in any other language made by
translation under the responsibility of a CEN member into its own language and notified to the CEN-CENELEC Management
Centre has the same status as the official versions.
CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia,
Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway,
Poland, Portugal, Republic of North Macedonia, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Türkiye and
United Kingdom.
EUROPEAN COMMITTEE FOR STANDARDIZATION
C O M I T É E U R O P É E N D E N O R M A L I S A T I O N
E U R O P Ä I S C H E S K O M I T E E F Ü R N O R M U N G
CEN-CENELEC Management Centre: Rue de la Science 23, B-1040 Brussels
© 2022 CEN All rights of exploitation in any form and by any means reserved Ref. No. EN ISO 11746:2022 E
worldwide for CEN national Members.
Contents Page
European foreword . 3
Endorsement notice . 3
European foreword
The text of ISO 11746:2020 has been prepared by Technical Committee ISO/TC 34 "Food products” of
the International Organization for Standardization (ISO) and has been taken over as EN ISO 11746:2022
by Technical Committee CEN/TC 338 “Cereal and cereal products” the secretariat of which is held by
AFNOR.
This European Standard shall be given the status of a national standard, either by publication of an
identical text or by endorsement, at the latest by April 2023, and conflicting national standards shall be
withdrawn at the latest by April 2023.
Attention is drawn to the possibility that some of the elements of this document may be the subject of
patent rights. CEN shall not be held responsible for identifying any or all such patent rights.
This document supersedes EN ISO 11746:2012 and EN ISO 11746:2012/A1:2017.
Any feedback and questions on this document should be directed to the users’ national standards body.
A complete listing of these bodies can be found on the CEN website.
According to the CEN-CENELEC Internal Regulations, the national standards organizations of the
following countries are bound to implement this European Standard: Austria, Belgium, Bulgaria,
Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland,
Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Republic of
North Macedonia, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Türkiye and the
United Kingdom.
Endorsement notice
The text of ISO 11746:2020 has been approved by CEN as EN ISO 11746:2022 without any modification.
INTERNATIONAL ISO
STANDARD 11746
Second edition
2020-01
Rice — Determination of biometric
characteristics of kernels
Riz — Détermination des caractéristiques biométriques des grains
Reference number
ISO 11746:2020(E)
©
ISO 2020
ISO 11746:2020(E)
© ISO 2020
All rights reserved. Unless otherwise specified, or required in the context of its implementation, no part of this publication may
be reproduced or utilized otherwise in any form or by any means, electronic or mechanical, including photocopying, or posting
on the internet or an intranet, without prior written permission. Permission can be requested from either ISO at the address
below or ISO’s member body in the country of the requester.
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Phone: +41 22 749 01 11
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Email: [email protected]
Website: www.iso.org
Published in Switzerland
ii © ISO 2020 – All rights reserved
ISO 11746:2020(E)
Contents Page
Foreword .iv
1 Scope . 1
2 Normative references . 1
3 Terms and definitions . 1
4 Principle . 1
5 Apparatus . 1
6 Sampling . 2
7 Procedure. 2
7.1 Preparation of the test sample . 2
7.2 Determination . 2
8 Calculation and expression of results . 3
8.1 Calculation . 3
8.2 Determination of length/width ratio . 3
8.3 Expression of results . 3
9 Precision . 3
9.1 Interlaboratory test. 3
9.2 Repeatability . 3
9.3 Reproducibility . 4
10 Test report . 4
Annex A (normative) Kernel measurements . 5
Annex B (informative) Results of the interlaboratory test . 6
Bibliography . 8
ISO 11746:2020(E)
Foreword
ISO (the International Organization for Standardization) is a worldwide federation of national standards
bodies (ISO member bodies). The work of preparing International Standards is normally carried out
through ISO technical committees. Each member body interested in a subject for which a technical
committee has been established has the right to be represented on that committee. International
organizations, governmental and non-governmental, in liaison with ISO, also take part in the work.
ISO collaborates closely with the International Electrotechnical Commission (IEC) on all matters of
electrotechnical standardization.
The procedures used to develop this document and those intended for its further maintenance are
described in the ISO/IEC Directives, Part 1. In particular, the different approval criteria needed for the
different types of ISO documents should be noted. This document was drafted in accordance with the
editorial rules of the ISO/IEC Directives, Part 2 (see www .iso .org/ directives).
Attention is drawn to the possibility that some of the elements of this document may be the subject of
patent rights. ISO shall not be held responsible for identifying any or all such patent rights. Details of
any patent rights identified during the development of the document will be in the Introduction and/or
on the ISO list of patent declarations received (see www .iso .org/ patents).
Any trade name used in this document is information given for the convenience of users and does not
constitute an endorsement.
For an explanation of the voluntary nature of standards, the meaning of ISO specific terms and
expressions related to conformity assessment, as well as information about ISO’s adherence to the
World Trade Organization (WTO) principles in the Technical Barriers to Trade (TBT) see www .iso .org/
iso/ foreword .html.
This document was prepared by Technical Committee ISO/TC 34, Food products, Subcommittee SC 4,
Cereals and pulses.
This second edition cancels and replaces the first edition (ISO 11746:2012), which has been technically
revised. It also incorporates the Amendment ISO 11746:2012/Amd 1:2017. The main changes compared
with the previous edition are as follows:
— the preparation of the test sample has been modified;
— a determination of length/width ratio has been added.
Any feedback or questions on this document should be directed to the user’s national standards body. A
complete listing of these bodies can be found at www .iso .org/ members .html.
iv © ISO 2020 – All rights reserved
INTERNATIONAL STANDARD ISO 11746:2020(E)
Rice — Determination of biometric characteristics of
kernels
1 Scope
This document specifies a method for the determination of the biometric characteristics of husked or
milled rice kernels.
2 Normative references
The following documents are referred to in the text in such a way that some or all of their content
constitutes requirements of this document. For dated references, only the edition cited applies. For
undated references, the latest edition of the referenced document (including any amendments) applies.
ISO 5725-1, Accuracy (trueness and precision) of measurement methods and results — Part 1: General
principles and definitions
ISO 7301, Rice — Specification
ISO 24333, Cereals and cereal products — Sampling
3 Terms and definitions
For the purposes of this document, the terms and definitions given in ISO 5725-1, ISO 7301, ISO 24333
and the following apply.
ISO and IEC maintain terminological databases for use in standardization at the following addresses:
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