GB/T 26125-2011 English PDF (GBT26125-2011)

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GB/T 26125-2011: Electrical and electronic products -- Determination of six regulated substances (lead, mercury, cadmium, hexavalent chromium, polybrominated biphenyls, polybrominated diphenyl ethers)
GB/T 26125-2011
GB
NATIONAL STANDARD OF THE
PEOPLE’S REPUBLIC OF CHINA
ICS 31.020
L 10
GB/T 26125-2011 / IEC 62321.2008
Electrical and electronic products –
Determination of six regulated substances
(lead, mercury, cadmium, hexavalent chromium,
polybrominated biphenyl, polybrominated diphenyl ethers)
(IEC 62321.2008, Electrotechnical products - Determination of levels of
six regulated substances (lead, mercury, cadmium, hexavalent chromium,
polybrominated biphenyls, polybrominated diphenyl ethers, IDT)
ISSUED ON. MAY 12, 2011
IMPLEMENTED ON. AUGUST 1, 2011
Issued by. General Administration of Quality Supervision, Inspection and
Quarantine of the People's Republic of China;
Standardization Administration of the People's Republic of China.
Table of Contents
Foreword ... 6 
Introduction ... 7 
1 Scope ... 8 
2 Normative references ... 8 
3 Terms, definitions and abbreviations ... 8 
3.1  Terms and definitions ... 8 
3.2  Abbreviations ... 10 
4 Test methods – Overview ... 13 
4.1  Field of application ... 13 
4.2  Sample ... 14 
4.3  Test methods – Flow chart ... 14 
4.4  Adjustment to the matrix ... 16 
4.5  Limits of detection (LOD) and limits of quantification (LOQ) ... 16 
4.6  Test report ... 17 
4.7  Alternative test methods ... 17 
5 Mechanical sample preparation ... 17 
5.1  Overview ... 18 
5.2  Apparatus, equipment and materials ... 18 
5.3  Procedure ... 19 
6 Screening by X-ray fluorescence spectrometry (XRF) ... 20 
6.1  Overview ... 20 
6.2  Apparatus, equipment and materials ... 23 
6.3  Reagents ... 23 
6.4  Sampling ... 23 
6.5  Procedure ... 24 
6.6  Calculations ... 28 
6.7  Evaluation of the method ... 29 
6.8  Quality control ... 30 
6.9  Special cases ... 31 
7 Determination of mercury in polymers, metals and electronics by CV- AAS, CV-AFS, ICP-
OES and ICP-MS ... 33 
7.1  Overview ... 33 
7.2  Apparatus, equipment and materials ... 34 
7.3  Reagents ... 35 
7.4  Sample preparation ... 36 
7.5  Test procedure ... 38 
7.6  Evaluation of the method ... 39 
8 Determination of lead and cadmium in polymers by ICP-OES, ICP-MS and AAS ... 40 
8.1  Overview ... 40 
8.2  Apparatus, equipment and materials ... 41 
8.3  Reagents ... 42 
8.4  Sample preparation ... 43 
8.5  Test procedure ... 46 
8.6  Evaluation of the method ... 48 
9 Determination of lead and cadmium in metals by ICP-OES, ICP-MS and AAS ... 48 
9.1  Overview ... 49 
9.2  Apparatus, equipment and materials ... 49 
9.3  Reagents ... 50 
9.4  Sample preparation ... 51 
9.5  Preparation of laboratory reagent blank ... 53 
9.6  Test procedure ... 53 
9.7  Evaluation of the method ... 55 
10 Determination of lead and cadmium in electronics by ICP-OES, ICP-MS and AAS ... 56 
10.1  Overview ... 56 
10.2  Apparatus, equipment and materials ... 56 
10.3  Reagents ... 58 
10.4  Sample preparation ... 59 
10.5  Test procedure ... 61 
10.6  Evaluation of the method ... 64 
Appendix A ... 66 
A.1  Introductory remark ... 66 
A.2  Apparatus, equipment and materials ... 66 
A.3  Reagents ... 67 
A.4  General instructions for the analysis ... 68 
A.5  Sample preparation ... 68 
A.6  Calibration ... 69 
A.7  GC-MS ... 73 
A.8  Quality control ... 76 
A...