SIST EN ISO 14284:2023
(Main)Steel and iron - Sampling and preparation of samples for the determination of chemical composition (ISO 14284:2022)
Steel and iron - Sampling and preparation of samples for the determination of chemical composition (ISO 14284:2022)
This document specifies methods for sampling and sample preparation for the determination of the
chemical composition of pig irons, cast irons and steels.
Methods are specified for both liquid and solid metal.
Eisen und Stahl - Entnahme und Vorbereitung von Proben für die Bestimmung der chemischen Zusammensetzung (ISO 14284:2022)
Aciers et fontes - Prélèvement et préparation des échantillons pour la détermination de la composition chimique (ISO 14284:2022)
Le présent document spécifie les méthodes de prélèvement et de préparation des échantillons pour la détermination de la composition chimique des fontes brutes, des fontes moulées et des aciers.
Ces méthodes sont spécifiées à la fois pour le métal liquide et le métal solide.
Jeklo in železo - Vzorčenje in priprava vzorcev za ugotavljanje kemijske sestave (ISO 14284:2022)
Ta dokument določa metode za vzorčenje in pripravo vzorcev za določanje kemične sestave surovega železa, železove litine in jekla. Metode so določene za kovino v tekočem in trdnem stanju.
General Information
Relations
Standards Content (Sample)
SLOVENSKI STANDARD
SIST EN ISO 14284:2023
01-januar-2023
Nadomešča:
SIST EN ISO 14284:2003
Jeklo in železo - Vzorčenje in priprava vzorcev za ugotavljanje kemijske sestave
(ISO 14284:2022)
Steel and iron - Sampling and preparation of samples for the determination of chemical
composition (ISO 14284:2022)
Eisen und Stahl - Entnahme und Vorbereitung von Proben für die Bestimmung der
chemischen Zusammensetzung (ISO 14284:2022)
Aciers et fontes - Prélèvement et préparation des échantillons pour la détermination de
la composition chimique (ISO 14284:2022)
Ta slovenski standard je istoveten z: EN ISO 14284:2022
ICS:
77.080.01 Železne kovine na splošno Ferrous metals in general
SIST EN ISO 14284:2023 en,fr,de
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.
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SIST EN ISO 14284:2023
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SIST EN ISO 14284:2023
EN ISO 14284
EUROPEAN STANDARD
NORME EUROPÉENNE
November 2022
EUROPÄISCHE NORM
ICS 77.080.01 Supersedes EN ISO 14284:2002
English Version
Steel and iron - Sampling and preparation of samples for
the determination of chemical composition (ISO
14284:2022)
Aciers et fontes - Prélèvement et préparation des Eisen und Stahl - Entnahme und Vorbereitung von
échantillons pour la détermination de la composition Proben für die Bestimmung der chemischen
chimique (ISO 14284:2022) Zusammensetzung (ISO 14284:2022)
This European Standard was approved by CEN on 1 October 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
COMITÉ EUROPÉEN DE NORMALISATION
EUROPÄISCHES KOMITEE FÜR NORMUNG
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 14284:2022 E
worldwide for CEN national Members.
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SIST EN ISO 14284:2023
EN ISO 14284:2022 (E)
Contents Page
European foreword . 3
2
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SIST EN ISO 14284:2023
EN ISO 14284:2022 (E)
European foreword
This document (EN ISO 14284:2022) has been prepared by Technical Committee ISO/TC 17 "Steel" in
collaboration with Technical Committee CEN/TC 459/SC 2 “Methods of chemical analysis for iron and
steel ” the secretariat of which is held by SIS.
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 May 2023, and conflicting national standards shall be
withdrawn at the latest by May 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 14284:2002.
Any feedback and questions on this document should be directed to the users’ national standards
body/national committee. 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 14284:2022 has been approved by CEN as EN ISO 14284:2022 without any modification.
3
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SIST EN ISO 14284:2023
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SIST EN ISO 14284:2023
INTERNATIONAL ISO
STANDARD 14284
Second edition
2022-10
Steel and iron — Sampling and
preparation of samples for
the determination of chemical
composition
Aciers et fontes — Prélèvement et préparation des échantillons pour
la détermination de la composition chimique
Reference number
ISO 14284:2022(E)
© ISO 2022
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SIST EN ISO 14284:2023
ISO 14284:2022(E)
COPYRIGHT PROTECTED DOCUMENT
© ISO 2022
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.
ISO copyright office
CP 401 • Ch. de Blandonnet 8
CH-1214 Vernier, Geneva
Phone: +41 22 749 01 11
Email: copyright@iso.org
Website: www.iso.org
Published in Switzerland
ii
© ISO 2022 – All rights reserved
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SIST EN ISO 14284:2023
ISO 14284:2022(E)
Contents Page
Foreword . vi
1 Scope . 1
2 Normative references . 1
3 Terms and definitions . 1
4 Requirements for sampling and sample preparation . 3
4.1 General . 3
4.2 Sample . 4
4.2.1 Quality . 4
4.2.2 Size . 5
4.2.3 Identification . 5
4.2.4 Sample conservation . 5
4.2.5 Sample for arbitration . 5
4.3 Sampling . 6
4.3.1 Sample from a melt . 6
4.3.2 Sample from a product . 6
4.4 Preparation of a sample . . 6
4.4.1 Preliminary preparation of a sample . 6
4.4.2 Test sample in the form of chips . 6
4.4.3 Test sample in the form of fragments . 7
4.4.4 Test sample in the form of a solid block . 7
4.4.5 Preparation of a test sample by remelting . 9
4.5 Safety precautions . 9
4.5.1 Personal protection . 9
4.5.2 Machinery . 9
4.5.3 Hazardous materials . . 9
5 Liquid iron for steelmaking and pig-iron production . 9
5.1 General . 9
5.2 Spoon sampling . 10
5.2.1 Methods . 10
5.2.2 Maintenance of equipment . 11
5.3 Probe sampling . 11
5.3.1 General . 11
5.3.2 Methods . 12
5.4 Preparation of a test sample . 12
5.4.1 Preliminary preparation .12
5.4.2 Test sample for a chemical method .12
5.4.3 Test sample for a thermal method .12
5.4.4 Test sample for a physical method .12
6 Liquid iron for cast iron production .13
6.1 General .13
6.2 Spoon sampling . 13
6.2.1 General .13
6.2.2 Methods .13
6.2.3 Chilled sample. 14
6.2.4 Non-chilled sample . 14
6.2.5 Maintenance of equipment . 14
6.3 Probe sampling . 15
6.4 Preparation of a test sample . 15
6.4.1 Preliminary preparation . 15
6.4.2 Test sample for chemical methods . 15
6.4.3 Test sample for thermal methods. 16
6.4.4 Test sample for physical methods . 16
iii
© ISO 2022 – All rights reserved
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SIST EN ISO 14284:2023
ISO 14284:2022(E)
6.5 Sampling and sample preparation for the determination of oxygen and nitrogen . 16
6.5.1 General . 16
6.5.2 Method . . 16
6.5.3 Preparation of the test portion . 16
7 Liquid steel for steel production . .17
7.1 General . 17
7.2 Spoon sampling . 17
7.2.1 Methods . 17
7.2.2 Maintenance of equipment . 17
7.3 Probe sampling . 18
7.3.1 General . 18
7.3.2 Methods . 18
7.4 Preparation of a test sample . . 18
7.4.1 Preliminary preparation . 18
7.4.2 Test sample for chemical methods . 18
7.4.3 Test sample for thermal methods. 19
7.4.4 Test sample for physical methods . 19
7.5 Sampling and sample preparation for the determination of nitrogen and oxygen . 19
7.5.1 Methods of sampling . 19
7.5.2 Preparation of the test portion . 20
7.6 Sampling and sample preparation for the determination of hydrogen .20
7.6.1 General .20
7.6.2 Methods of sampling . 21
7.6.3 Preparation of the test portion . 21
8 Pig-irons .21
8.1 General . 21
8.2 Increment sampling . 21
8.2.1 Number of increments . 21
8.2.2 Methods .22
8.2.3 Consignment of mixed pig-irons . 22
8.3 Preparation of a test sample . .22
8.3.1 General .22
8.3.2 Test sample for chemical methods . 23
8.3.3 Test sample for thermal methods. 23
8.3.4 Test sample for physical methods . 24
9 Cast iron products .24
9.1 General . 24
9.2 Sampling and sample preparation . 24
9.2.1 General . 24
9.2.2 Test sample for chemical methods . 25
9.2.3 Sample in the form of a solid block for analysis by thermal methods .26
9.2.4 Test sample for physical methods . 26
10 Steel products .26
10.1 General . 26
10.2 Selection of a laboratory sample or a test sample from a cast product . 27
10.3 Selection of a laboratory sample or a test sample from a wrought product . 27
10.3.1 General . 27
10.3.2 Sections . . 27
10.3.3 Plates or slabs . . 27
10.3.4 Light sections, bars, rods, sheets, strips and wires. 27
10.3.5 Tubes and pipes .29
10.4 Preparation of a test sample .29
10.4.1 General .29
10.4.2 Test sample in the form of chips .29
10.4.3 Test sample in the form of a solid block .29
10.5 Sampling of leaded steel . 30
iv
© ISO 2022 – All rights reserved
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SIST EN ISO 14284:2023
ISO 14284:2022(E)
10.6 Sampling and sample preparation for the determination of oxygen .30
10.6.1 General .30
10.6.2 Methods of sampling .30
10.6.3 Preparation of a test portion . 31
10.7 Sampling and sample preparation for the determination of hydrogen . 31
10.7.1 General . 31
10.7.2 Methods of sampling . 31
10.7.3 Preparation of a test portion . 32
Annex A (informative) Sampling probes for use with liquid iron and steel .33
Annex B (informative) Sampling probes for use with liquid steel for the determination of
hydrogen .41
Bibliography . 44
v
© ISO 2022 – All rights reserved
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SIST EN ISO 14284:2023
ISO 14284:2022(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,
...
SLOVENSKI STANDARD
oSIST prEN ISO 14284:2022
01-januar-2022
Jeklo in železo - Vzorčenje in priprava vzorcev za ugotavljanje kemijske sestave
(ISO/DIS 14284:2021)
Steel and iron - Sampling and preparation of samples for the determination of chemical
composition (ISO/DIS 14284:2021)
Eisen un Stahl-Entnahme und Vorbereitung von Proben für die Bestimmung der
chemischen Zusammensetzung (ISO/DIS 14284:2021)
Fontes et aciers - Prélèvement et préparation des échantillons pour la détermination de
la composition chimique (ISO/DIS 14284:2021)
Ta slovenski standard je istoveten z: prEN ISO 14284
ICS:
77.080.01 Železne kovine na splošno Ferrous metals in general
oSIST prEN ISO 14284:2022 en,fr,de
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.
---------------------- Page: 1 ----------------------
oSIST prEN ISO 14284:2022
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oSIST prEN ISO 14284:2022
DRAFT INTERNATIONAL STANDARD
ISO/DIS 14284
ISO/TC 17/SC 1 Secretariat: JISC
Voting begins on: Voting terminates on:
2021-11-09 2022-02-01
Steel and iron — Sampling and preparation of samples for
the determination of chemical composition
Fontes et aciers — Prélèvement et préparation des échantillons pour la détermination de la composition
chimique
ICS: 77.080.01
This document is circulated as received from the committee secretariat.
THIS DOCUMENT IS A DRAFT CIRCULATED
FOR COMMENT AND APPROVAL. IT IS
ISO/CEN PARALLEL PROCESSING
THEREFORE SUBJECT TO CHANGE AND MAY
NOT BE REFERRED TO AS AN INTERNATIONAL
STANDARD UNTIL PUBLISHED AS SUCH.
IN ADDITION TO THEIR EVALUATION AS
BEING ACCEPTABLE FOR INDUSTRIAL,
TECHNOLOGICAL, COMMERCIAL AND
USER PURPOSES, DRAFT INTERNATIONAL
STANDARDS MAY ON OCCASION HAVE TO
BE CONSIDERED IN THE LIGHT OF THEIR
POTENTIAL TO BECOME STANDARDS TO
WHICH REFERENCE MAY BE MADE IN
Reference number
NATIONAL REGULATIONS.
ISO/DIS 14284:2021(E)
RECIPIENTS OF THIS DRAFT ARE INVITED
TO SUBMIT, WITH THEIR COMMENTS,
NOTIFICATION OF ANY RELEVANT PATENT
RIGHTS OF WHICH THEY ARE AWARE AND TO
PROVIDE SUPPORTING DOCUMENTATION. © ISO 2021
---------------------- Page: 3 ----------------------
oSIST prEN ISO 14284:2022
ISO/DIS 14284:2021(E)
COPYRIGHT PROTECTED DOCUMENT
© ISO 2021
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.
ISO copyright office
CP 401 • Ch. de Blandonnet 8
CH-1214 Vernier, Geneva
Phone: +41 22 749 01 11
Email: copyright@iso.org
Website: www.iso.org
Published in Switzerland
ii
© ISO 2021 – All rights reserved
---------------------- Page: 4 ----------------------
oSIST prEN ISO 14284:2022
ISO/DIS 14284:2021(E)
Contents Page
Foreword . vi
1 Scope . 1
2 Normative references . 1
3 Terms and definitions . 1
4 Requirements for sampling and sample preparation . 3
4.1 General . 3
4.2 Sample . 4
4.2.1 Quality . 4
4.2.2 Size . 5
4.2.3 Identification . 5
4.2.4 Sample conservation . . 5
4.2.5 Sample for arbitration . 5
4.3 Sampling . 6
4.3.1 Sample from a melt . 6
4.3.2 Sample from a product . 6
4.4 Preparation of a sample . . 6
4.4.1 Preliminary preparation of a sample . 6
4.4.2 Test sample in the form of chips . 6
4.4.3 Test sample in the form of fragments . 7
4.4.4 Test sample in the form of a solid block . 7
4.4.5 Preparation of a test sample by remelting . 8
4.5 Safety precautions . 9
4.5.1 Personal protection . 9
4.5.2 Machinery . 9
4.5.3 Hazardous materials . . 9
5 Liquid iron for steelmaking and pig-iron production . 9
5.1 General . 9
5.2 Spoon sampling . 9
5.2.1 Methods . 9
5.2.2 Maintenance of equipment . 11
5.3 Probe sampling . 11
5.3.1 General . 11
5.3.2 Methods .12
5.4 Preparation of a test sample . 12
5.4.1 Preliminary preparation .12
5.4.2 Test sample by a chemical method .12
5.4.3 Test sample by a thermal method .12
5.4.4 Test sample by a physical method.12
6 Liquid iron for cast iron production .13
6.1 General .13
6.2 Spoon sampling . 13
6.2.1 General .13
6.2.2 Methods .13
6.2.3 Chilled sample. 14
6.2.4 Non-chilled sample . 14
6.2.5 Maintenance of equipment . 14
6.3 Probe sampling . 15
6.4 Preparation of a test sample . 15
6.4.1 Preliminary preparation . 15
6.4.2 Test sample for chemical methods . 15
6.4.3 Test sample for thermal methods. 16
6.4.4 Test sample for physical methods . 16
iii
© ISO 2021 – All rights reserved
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oSIST prEN ISO 14284:2022
ISO/DIS 14284:2021(E)
6.5 Sampling and sample preparation for the determination of oxygen and nitrogen . 16
6.5.1 General . 16
6.5.2 Method . . 16
6.5.3 Preparation of the test portion . 16
7 Liquid steel for steel production . .17
7.1 General . 17
7.2 Spoon sampling . 17
7.2.1 Methods . 17
7.2.2 Maintenance of equipment . 17
7.3 Probe sampling . 18
7.3.1 General . 18
7.3.2 Methods . 18
7.4 Preparation of a test sample . . 18
7.4.1 Preliminary preparation . 18
7.4.2 Test sample for chemical methods . 18
7.4.3 Test sample for thermal methods. 19
7.4.4 Test sample for physical methods . 19
7.5 Sampling and sample preparation for the determination of nitrogen and oxygen . 19
7.5.1 Methods of sampling . 19
7.5.2 Preparation of the test portion . 20
7.6 Sampling and sample preparation for the determination of hydrogen .20
7.6.1 General .20
7.6.2 Methods of sampling . 21
7.6.3 Preparation of the test portion . 21
8 Pig-irons .21
8.1 General . 21
8.2 Increment sampling . 21
8.2.1 Number of increments . 21
8.2.2 Methods .22
8.2.3 Consignment of mixed pig-irons . 22
8.3 Preparation of a test sample . .22
8.3.1 General .22
8.3.2 Test sample for chemical methods . 23
8.3.3 Test sample for thermal methods. 23
8.3.4 Test sample for physical methods . 24
9 Cast iron products .24
9.1 General . 24
9.2 Sampling and sample preparation . 24
9.2.1 General . 24
9.2.2 Test sample for chemical methods . 25
9.2.3 Sample in the form of a solid block for analysis by thermal methods .26
9.2.4 Test sample for physical methods . 26
10 Steel products .26
10.1 General . 26
10.2 Selection of a laboratory sample or a test sample from a cast product . 27
10.3 Selection of a laboratory sample or a test sample from a wrought product . 27
10.3.1 General . 27
10.3.2 Sections . . 27
10.3.3 Plates or slabs . . 27
10.3.4 Light sections, bars, rods, sheets, strips and wires.28
10.3.5 Tubes and pipes .29
10.4 Preparation of a test sample .29
10.4.1 General .29
10.4.2 Test sample in the form of chips .29
10.4.3 Test sample in the form of a solid block .29
10.5 Sampling of leaded steel . 30
iv
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oSIST prEN ISO 14284:2022
ISO/DIS 14284:2021(E)
10.6 Sampling and sample preparation for the determination of oxygen .30
10.6.1 General .30
10.6.2 Methods of sampling . 30
10.6.3 Preparation of a test portion . 31
10.7 Sampling and sample preparation for the determination of hydrogen . 31
10.7.1 General . 31
10.7.2 Methods of sampling . 31
10.7.3 Preparation of a test portion . 32
Annex A (informative) Sampling probes for use with liquid iron and steel .33
Annex B (informative) Sampling probes for use with liquid steel for the determination of
hydrogen .42
Bibliography .45
v
© ISO 2021 – All rights reserved
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oSIST prEN ISO 14284:2022
ISO/DIS 14284:2021(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 on 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 the following
URL: www.iso.org/iso/foreword.html.
The committee responsible for this document is ISO/TC 17, Steel, Subcommittee SC 1, Methods of
determination of chemical composition.
This second edition cancels and replaces the first edition (ISO 14284:1996), which has been technically
revised. The main changes compared to the previous edition are as follows:
— The figures have been modified and some new figures have been added.
— Some definitions have been modified and some definitions have been added to Clause 3.
— Some terms have been modified.
— Some paragraphs and sentences have been modified.
— Some new paragraphs and sentences have been added.
— Some new sampling probes have been added.
— The units have been changed to SI.
vi
© ISO 2021 – All rights reserved
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oSIST prEN ISO 14284:2022
DRAFT INTERNATIONAL STANDARD ISO/DIS 14284:2021(E)
Steel and iron — Sampling and preparation of samples for
the determination of chemical composition
1 Scope
This document specifies methods for sampling and sample preparation for the determination of the
chemical composition of pig irons, cast irons and steels.
Methods are specified for both liquid and solid metal.
2 Normative references
The following document is 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 9147:1987, Pig-irons — Definition and classification
3 Terms and definitions
For the purposes of this document, the following terms and definitions apply.
ISO and IEC maintain terminological databases for use in standardization at the following addresses:
— ISO Online browsing platform: available at https:// www .iso .org/ obp
— IEC Electropedia: available at https:// www .electropedia .org/
3.1
chemical method of analysis
method for the determination of chemical composition in which the sample is submitted to chemical
reactions
3.2
physical method of analysis
method for the determination of chemical composition in which the determination is carried out
without submitting the sample to chemical reactions, for example an optical emission spectrometric
(OES) method or an X-ray fluorescence spectrometric (XRF) method
3.3
thermal method of analysis
method for the determination of chemical composition in which the sample is submitted to a process of
heating, combustion or fusion
3.4
melt
liquid metal from which a sample is taken
3.5
spoon sampling
method in which a sample is taken from the melt (3.4), or during the pouring of the melt, using a long-
handled spoon, and poured into a small mould
1
© ISO 2021 – All rights reserved
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oSIST prEN ISO 14284:2022
ISO/DIS 14284:2021(E)
3.6
spoon sample
sample obtained from the spoon sampling (3.5) method
3.7
probe sampling
method in which a sample is taken from the melt (3
...
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