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SLOVENSKI STANDARD
01-januar-2023
Nadomešča:
SIST EN 16866:2018
Kovinske in druge anorganske prevleke - Istočasno določevanje debeline in
potenciala elektrode posameznih plasti v večplastnih nikljevih depozitih (preskus
STEP) (ISO 16866:2020)
Metallic and other inorganic coatings - Simultaneous thickness and electrode potential
determination of individual layers in multilayer nickel deposits (STEP test) (ISO
16866:2020)
Metallische und andere anorganische Überzüge - Schichtpotentialmessung von
galvanischen Mehrfach-Nickelschichtsystemen (STEP-Test) (ISO 16866:2020)
Revêtements métalliques et autres revêtements inorganiques - Détermination
simultanée de l'épaisseur et du potentiel d'électrode de couches individuelles dans des
dépôts de nickel multicouches (essai STEP) (ISO 16866:2020)
Ta slovenski standard je istoveten z: EN ISO 16866:2022
ICS:
25.220.40 Kovinske prevleke Metallic coatings
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.
EN ISO 16866
EUROPEAN STANDARD
NORME EUROPÉENNE
November 2022
EUROPÄISCHE NORM
ICS 25.220.40 Supersedes EN 16866:2017
English Version
Metallic and other inorganic coatings - Simultaneous
thickness and electrode potential determination of
individual layers in multilayer nickel deposits (STEP test)
(ISO 16866:2020)
Revêtements métalliques et autres revêtements Metallische und andere anorganische Überzüge -
inorganiques - Détermination simultanée de Schichtpotentialmessung von galvanischen Mehrfach-
l'épaisseur et du potentiel d'électrode de couches Nickelschichtsystemen (STEP-Test) (ISO 16866:2020)
individuelles dans des dépôts de nickel multicouches
(essai STEP) (ISO 16866:2020)
This European Standard was approved by CEN on 30 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 16866:2022 E
worldwide for CEN national Members.
Contents Page
European foreword . 3
European foreword
The text of ISO 16866:2020 has been prepared by Technical Committee ISO/TC 107 "Metallic and other
inorganic coatings” of the International Organization for Standardization (ISO) and has been taken over
as EN ISO 16866:2022 by Technical Committee CEN/TC 262 “Metallic and other inorganic coatings,
including for corrosion protection and corrosion testing of metals and alloys” the secretariat of which is
held by BSI.
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 16866:2017.
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 16866:2020 has been approved by CEN as EN ISO 16866:2022 without any modification.
INTERNATIONAL ISO
STANDARD 16866
First edition
2020-10
Metallic and other inorganic
coatings — Simultaneous thickness
and electrode potential determination
of individual layers in multilayer
nickel deposits (STEP test)
Revêtements métalliques et autres revêtements inorganiques —
Détermination simultanée de l'épaisseur et du potentiel d'électrode
de couches individuelles dans des dépôts de nickel multicouches
(essai STEP)
Reference number
ISO 16866:2020(E)
©
ISO 2020
ISO 16866:2020(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
Email: [email protected]
Website: www.iso.org
Published in Switzerland
ii © ISO 2020 – All rights reserved
ISO 16866:2020(E)
Contents Page
Foreword .iv
Introduction .v
1 Scope . 1
2 Normative references . 1
3 Terms and definitions . 1
4 Test equipment. 1
4.1 Construction of the measuring cell. 1
4.2 Composition of the test solution . 2
5 Requirements . 3
6 Sampling . 3
7 Factors influencing measurement accuracy . 3
7.1 Electrolyte . 3
7.2 Conditioning . 3
7.3 Ni deposits . 3
7.4 Surface cleanliness . 3
7.5 Measurement area and contact pressure . 3
7.6 Electrical contact . 4
7.7 Complete dissolution . 4
8 Procedure. 4
8.1 General . 4
8.2 Measurement . 4
8.3 Evaluation . 5
9 Measurement uncertainty . 8
10 Test report . 9
Annex A (informative) Precision data obtained by a round robin test .10
Bibliography .11
ISO 16866:2020(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 the European Committee for Standardization (CEN) (as EN 16866:2017)
and was adopted, without modification, by Technical Committee ISO/TC 107, Metallic and other inorganic
coatings.
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
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