EN IEC 62321-2:2021

Determination of certain substances in electrotechnical products - Part 2: Disassembly, disjointment and mechanical sample preparation

EN IEC 62321-2:2021

Name:EN IEC 62321-2:2021   Standard name:Determination of certain substances in electrotechnical products - Part 2: Disassembly, disjointment and mechanical sample preparation
Standard number:EN IEC 62321-2:2021   language:English language
Release Date:07-Oct-2021   technical committee:CLC/TC 111X - Environment
Drafting committee:IEC/TC 111 - Environmental standardization for electrical and electronic products and systems   ICS number:13.020 - Environmental protection

SLOVENSKI STANDARD
01-januar-2022
Nadomešča:
SIST EN 62321-2:2014
Določevanje posameznih snovi v elektrotehničnih izdelkih - 2. del: Razstavljanje,
odklop in mehanska priprava vzorca
Determination of certain substances in electrotechnical products - Part 2: Disassembly,
disjunction and mechanical sample preparation
Détermination de certaines substances dans les produits électrotechniques - Partie 2:
Démontage, désassemblage et préparation mécanique de l'échantillon
Ta slovenski standard je istoveten z: EN IEC 62321-2:2021
ICS:
29.020 Elektrotehnika na splošno Electrical engineering in
general
31.020 Elektronske komponente na Electronic components in
splošno general
71.040.50 Fizikalnokemijske analitske Physicochemical methods of
metode analysis
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

EUROPEAN STANDARD EN IEC 62321-2

NORME EUROPÉENNE
EUROPÄISCHE NORM
October 2021
ICS 13.020.01; 43.040.10 Supersedes EN 62321-2:2014 and all of its amendments
and corrigenda (if any)
English Version
Determination of certain substances in electrotechnical products
- Part 2: Disassembly, disjointment and mechanical sample
preparation
(IEC 62321-2:2021)
Détermination de certaines substances dans les produits Verfahren zur Bestimmung von bestimmten Substanzen in
électrotechniques - Partie 2: Démontage, défabrication et Produkten der Elektrotechnik - Teil 2: Demontage,
préparation mécanique de l'échantillon Zerlegung und mechanische Probenvorbereitung
(IEC 62321-2:2021) (IEC 62321-2:2021)
This European Standard was approved by CENELEC on 2021-10-04. CENELEC 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 CENELEC 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 CENELEC member into its own language and notified to the CEN-CENELEC Management Centre has the
same status as the official versions.
CENELEC members are the national electrotechnical committees of Austria, Belgium, Bulgaria, Croatia, Cyprus, the Czech Republic,
Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, the
Netherlands, Norway, Poland, Portugal, Republic of North Macedonia, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland,
Turkey and the United Kingdom.

European Committee for Electrotechnical Standardization
Comité Européen de Normalisation Electrotechnique
Europäisches Komitee für Elektrotechnische Normung
CEN-CENELEC Management Centre: Rue de la Science 23, B-1040 Brussels
© 2021 CENELEC All rights of exploitation in any form and by any means reserved worldwide for CENELEC Members.
Ref. No. EN IEC 62321-2:2021 E

European foreword
The text of document 111/619/FDIS, future edition 2 of IEC 62321-2, prepared by IEC/TC 111
“Environmental standardization for electrical and electronic products and systems” was submitted to
the IEC-CENELEC parallel vote and approved by CENELEC as EN IEC 62321-2:2021.
The following dates are fixed:
• latest date by which the document has to be implemented at national (dop) 2022–07–04
level by publication of an identical national standard or by endorsement
• latest date by which the national standards conflicting with the (dow) 2024–10–04
document have to be withdrawn
This document supersedes EN 62321-2:2014 and all of its amendments and corrigenda (if any).
Attention is drawn to the possibility that some of the elements of this document may be the subject of
patent rights. CENELEC shall not be held responsible for identifying any or all such patent rights.
Any feedback and questions on this document should be directed to the users’ national committee. A
complete listing of these bodies can be found on the CENELEC website.
Endorsement notice
The text of the International Standard IEC 62321-2:2021 was approved by CENELEC as a European
Standard without any modification.
In the official version, for Bibliography, the following notes have to be added for the standards
indicated:
IEC 62554:2011 NOTE Harmonized as EN 62554:2011 (not modified)
IEC 63000:2016 NOTE Harmonized as EN IEC 63000:2018 (not modified)
IEC 62137-1-2:2007 NOTE Harmonized as EN 62137-1-2:2007 (not modified)
IEC 62239-1:2018 NOTE Harmonized as EN IEC 62239-1:2018 (not modified)
Annex ZA
(normative)
Normative references to international publications
with their corresponding European publications
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.
NOTE 1 Where an International Publication has been modified by common modifications, indicated by (mod), the
relevant EN/HD applies.
NOTE 2 Up-to-date information on the latest versions of the European Standards listed in this annex is available
here: www.cenelec.eu.
Publication Year Title EN/HD Year
IEC 62321 (series) Determination of certain substances in EN 62321 (series)
electrotechnical products
IEC 62321-2
Edition 2.0 2021-08
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
colour
inside
HORIZONTAL PUBLICATION
PUBLICATION HORIZONTALE
Determination of certain substances in electrotechnical products –

Part 2: Disassembly, disjointment and mechanical sample preparation

Détermination de certaines substances dans les produits électrotechniques –

Partie 2: Démontage, défabrication et préparation mécanique de l'échantillon

INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
COMMISSION
ELECTROTECHNIQUE
INTERNATIONALE
ICS 13.020.01; 43.040.10 ISBN 978-2-8322-9926-5

– 2 – IEC 62321-2:2021 © IEC 2021
CONTENTS
FOREWORD . 5
INTRODUCTION . 7
1 Scope . 8
2 Normative references . 8
3 Terms, definitions and abbreviated terms . 9
3.1 Terms and definitions . 9
3.2 Abbreviated terms . 9
4 Introduction to sampling . 10
4.1 Introductory remarks . 10
4.2 Requirements for certain substances . 10
4.3 Complexity of electrotechnical products and related challenges . 11
4.4 Sampling procedure . 12
4.5 Scope of the analysis . 13
4.6 Purpose of the analysis . 14
4.7 Testing strategy . 14
5 Sampling plan . 15
5.1 Introductory remarks . 15
5.2 Sampling of a complete product . 15
5.3 Partial disassembly . 16
5.4 Complete disassembly . 16
5.5 Partial disjointment . 16
5.6 Complete disjointment . 16
5.7 Test sample considerations . 17
5.7.1 Introductory remarks . 17
5.7.2 Required sample size . 17
5.7.3 Sample size versus detection limit . 18
5.7.4 Composite sample considerations . 19
5.7.5 Non-uniform "homogeneous materials" . 19
5.7.6 Determination of sampling of homogeneous materials from different
positions . 21
6 Conclusions and recommendations for sampling . 21
7 Mechanical sample preparation . 21
7.1 Overview. 21
7.1.1 Field of application . 21
7.1.2 Quality assurance . 22
7.2 Apparatus, equipment and materials . 22
7.3 Procedure . 23
7.3.1 General . 23
7.3.2 Manual cutting . 23
7.3.3 Coarse grinding or milling . 23
7.3.4 Homogenizing . 23
7.3.5 Fine grinding or milling . 23
7.3.6 Very fine grinding of polymers and organic materials . 24
Annex A (informative) Examples of procedures for sampling and disjointment . 25
Annex B (informative) Probability of the presence of certain substances . 33
Annex C (informative) Composite testing and sampling . 37

IEC 62321-2:2021 © IEC 2021 – 3 –
C.1 Introductory remarks . 37
C.2 Calculated maximum concentration for a composite sample based on
detection limit . 37
C.3 Required detection limit for a composite sample based on the maximum
allowable concentration . 38
Annex D (informative) Tools used in sampling. 40
Annex E (informative) Examples of mobile phone disassembly and disjointment . 41
E.1 General . 41
E.2 Partial disassembly without tools – Mobile phone type A . 41
E.3 Partial disassembly with simple tools – Mobile phone type B. 43
E.4 Complete disassembly – Mobile phone type B . 44
E.5 Partial disjointment – Mobile phone type B . 45
E.6 Complete disjointment – Examples of disjointment of small electronic parts . 46
E.7 Complete disjointment of integrated circuit lead frame package . 48
E.8 Complete disjointment of ball grid array (BGA) package . 48
E.8.1 General . 48
E.8.2 Solder ball removal from BGA package – Hand removal procedure . 49
E.8.3 Solder ball removal from BGA package – Solder ball shear procedure . 50
Bibliography . 51

Figure 1
...

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