IEC 62321-3-2:2013

IEC 62321-3-2 ®
Edition 1.0 2013-06
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
HORIZONTAL STANDARD
NORME HORIZONTALE
Determination of certain substances in electrotechnical products –
Part 3-2: Screening – Total bromine in polymers and electronics by Combustion –
Ion Chromatography
Détermination de certaines substances dans les produits électrotechniques –
Partie 3-2: Méthodes d'essai – Brome total dans les polymères et les produits
électriques par Combustion – Chromatographie d'Ionisation

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IEC 62321-3-2 ®
Edition 1.0 2013-06
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
HORIZONTAL STANDARD
NORME HORIZONTALE
Determination of certain substances in electrotechnical products –

Part 3-2: Screening – Total bromine in polymers and electronics by Combustion –

Ion Chromatography
Détermination de certaines substances dans les produits électrotechniques –

Partie 3-2: Méthodes d'essai – Brome total dans les polymères et les produits

électriques par Combustion – Chromatographie d'Ionisation

INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
COMMISSION
ELECTROTECHNIQUE
INTERNATIONALE
ICS 13.020; 43.040.10 ISBN 978-2-83220-840-3

– 2 – 62321-3-2 © IEC:2013
CONTENTS
FOREWORD . 4
INTRODUCTION . 6
1 Scope . 7
2 Normative references . 7
3 Terms, definitions and abbreviations . 8
3.1 Terms and definitions . 8
3.2 Abbreviations . 9
4 Principle . 9
4.1 Overview . 9
4.2 Principle of test . 10
5 Reagents and materials . 10
6 Apparatus . 11
7 Sampling . 12
8 Procedure. 12
8.1 Combustion . 12
8.2 IC analysis . 13
8.3 Blank test . 13
8.4 Cleaning and recalibration . 13
8.5 Calibration . 13
8.6 Measurement of the sample . 14
8.7 Interference . 14
9 Calculation . 14
10 Precision . 14
11 Quality assurance and control . 15
11.1 General . 15
11.2 Limits of detection (LOD) and limits of quantification (LOQ) . 15
12 Test report . 16
Annex A (informative) Oxygen bomb combustion-ion chromatography . 17
Annex B (informative) Oxygen flask combustion-ion chromatography . 22
Annex C (informative) Example of a combustion device and IC system . 25
Annex D (informative) Results of international interlaboratory study #4A (IIS 4A) . 26
Annex E (informative) Additional results of TG 3-2 test . 27
Annex F (informative) Additional validation data. 29
Annex G (informative) Additional IC data . 30
Bibliography . 31

Figure A.1 – Example of the oxygen bomb combustion device . 21
Figure B.1 – Example of the oxygen flask combustion device. 24
Figure B.2 – Example of wrapping of sample . 24
Figure C.1 – Example of a combustion device connected to IC . 25
Figure C.2 – Example of ion chromatographic system . 25
Figure G.1 – Example of a chromatogram of the standard solution (4 mg/kg of each
standard) by IC . 30

62321-3-2 © IEC:2013 – 3 –
Table 1 – Tested concentration ranges for bromine by C-IC in various materials . 7
Table 2 – Acceptance criteria of items for quality control . 15
Table 3 – Student’s t values used for calculation of method detection limit (*MDL=
t × s ) . 16
n–1
Table D.1 – Mean results and recovery rates for total bromine obtained in the IIS4A
study using C-IC . 26
Table D.2 – Statistical total bromine data for IIS 4A results using C-IC . 26
Table E.1 – Mean results and recovery rates for total bromine obtained in the TG 3-2
internal test study by using C-IC . 27
Table E.2 – Mean results and recovery rates for total bromine obtained in the TG 3-2
internal test study by using Oxygen bomb-IC . 28
Table F.1 – General conditions for the combustion furnace and the absorption solution . 29
Table F.2 – Additional information – Difference in sample sizes and measured bromine
values in solder paste with burning aid (WO powder) . 29
Table F.3 – Additional information – Difference in combustion temperatures and
powder) . 29
measured bromine values in solder paste with burning aid (WO
Table G.1 – Typical operating conditions for IC . 30
Table G.2 – Example of calibration solutions for IC . 30

– 4 – 62321-3-2 © IEC:2013
INTERNATIONAL ELECTROTECHNICAL COMMISSION
____________
DETERMINATION OF CERTAIN SUBSTANCES
IN ELECTROTECHNICAL PRODUCTS –

Part 3-2: Screening – Total bromine in polymers and electronics
by Combustion – Ion Chromatography

FOREWORD
1) The International Electrotechnical Commission (IEC) is a worldwide organization for standardization comprising
all national electrotechnical committees (IEC National Committees). The object of IEC is to promote
international co-operation on all questions concerning standardization in the electrical and electronic fields. To
this end and in addition to other activities, IEC publishes International Standards, Technical Specifications,
Technical Reports, Publicly Available Specifications (PAS) and Guides (hereafter referred to as “IEC
Publication(s)”). Their preparation is entrusted to technical committees; any IEC National Committee interested
in the subject dealt with may participate in this preparatory work. International, governmental and non-
governmental organizations liaising with the IEC also participate in this preparation. IEC collaborates closely
with the International Organization for Standardization (ISO) in accordance with conditions determined by
agreement between the two organizations.
2) The formal decisions or agreements of IEC on technical matters express, as nearly as possible, an international
consensus of opinion on the relevant subjects since each technical committee has representation from all
interest
...