GB/T 39560.302-2024Determination of certain substances in electrical and electronic products - Part 3-2: Screening fluorine, chlorine and bromine in polymer and electronics by combustion-ion chromatography (C-IC) (English PDF)

Foreword

This document is in accordance with the provisions of GB/T 1.1-2020 "Guidelines for standardization work Part 1: Structure and drafting rules for standardization documents" Drafting.

This document is part 3-2 of GB/T 39560 "Determination of certain substances in electrical and electronic products". GB/T 39560 has been published the following parts.

--- Part 1: Introduction and overview;

--- Part 2: Disassembly, and mechanical sample preparation;

--- Part 3-1.Screening of lead, mercury, cadmium, total chromium and total bromine by X-ray fluorescence spectrometry;

--- Part 3-2.Screening of fluorine, chlorine and bromine in polymers and electronic components by combustion-ion chromatography (C-IC);

--- Part 3-3.Screening of polybrominated oligomers in polymers by gas chromatography-mass spectrometry with pyrolysis/thermal desorption (Py/TD-GC-MS) benzene, polybrominated diphenyl ethers, and phthalates;

--- Part 4: Determination of mercury in polymers, metals and electronic components by CV-AAS, CV-AFS, ICP-OES and ICP-MS;

--- Part 5: Determination of cadmium, lead, chromium and metals in polymers and electronic components by AAS, AFS, ICP-OES and ICP-MS Cadmium and lead content;

--- Part 6: Determination of polybrominated biphenyls and polybrominated diphenyl ethers in polymers by gas chromatography-mass spectrometry (GC-MS);

--- Part 7-1.Determination of hexavalent chromium [Cr(VI)] in colorless and colored anti-corrosion coatings on metals by hexavalent chromium colorimetry;

--- Part 7-2.Determination of hexavalent chromium [Cr(VI)] in polymers and electronic components by hexavalent chromium colorimetry;

--- Part 8: Gas chromatography-mass spectrometry (GC-MS) and gas chromatography-mass spectrometry with pyrolysis/thermal desorption (Py/TD-GC-MS) MS) determination of phthalates in polymers;

--- Part 9: Determination of hexabromocyclododecane in polymers by gas chromatography-mass spectrometry (GC-MS);

--- Part 10: Determination of polycyclic aromatic hydrocarbons (PAHs) in polymers and electronic components by gas chromatography-mass spectrometry (GC-MS);

--- Part 12: Simultaneous determination of polybrominated biphenyls, polybrominated diphenyl ethers and phthalates by gas chromatography-mass spectrometry (GC-MS).

This document is equivalent to IEC 62321-3-2:2020 "Determination of certain substances in electrical products Part 3-2.Combustion-ion chromatography method (C-IC) Screening of Fluorine, Chlorine and Bromine in Polymers and Electronics.

The following minimal editorial changes were made to this document.

--- In order to be consistent with the existing standard series in my country, the name of the standard is changed to "Determination of Certain Substances in Electrical and Electronic Products Part 3-2 "Screening of fluorine, chlorine and bromine in polymers and electronic components by combustion-ion chromatography (C-IC).

Introduction

The widespread use of electronic and electrical products has made people more concerned about their impact on the environment. Therefore, many countries in the world have revised their Regulations regarding waste disposal, use of restricted substances and energy consumption related to gas products.

GB/T 39560 "Determination of Certain Substances in Electrical and Electronic Products" provides the electrical and electronic industry with a globally consistent standard for the determination of certain substances in electrical and electronic products.

The detection method for restricted substances is a basic and universal standard for the control of hazardous substances in electronic and electrical products.

It consists of 19 parts.

--- Part 1: Introduction and overview. The purpose is to standardize the general process and method of testing restricted substances in electronic and electrical products.

Technical framework, etc.

--- Part 2: Disassembly, and mechanical sample preparation. The purpose is to standardize the disassembly and disassembly of samples in the detection of restricted substances in electronic and electrical products.

The principles, methods and processes of mechanical sample preparation.

--- Part 3-1.Screening of lead, mercury, cadmium, total chromium and total bromine by X-ray fluorescence spectrometry. The purpose is to standardize the X-ray fluorescence spectrometry Methods and procedures for screening and testing five substances, lead, mercury, cadmium, total chromium and total bromine, in electronic and electrical products.

--- Part 3-2.Combustion-ion chromatography (C-IC) screening of fluorine, chlorine and bromine in polymers and electronic components.

Methods and procedures for screening fluorine, chlorine and bromine in polymers and electronic components using C-IC.

--- Part 3-3.Screening of polybrominated oligomers in polymers by gas chromatography-mass spectrometry with pyrolysis/thermal desorption (Py/TD-GC-MS) the purpose is to standardize the use of Py/T D-GC-MS to screen for polybrominated diphenyl ethers and phthalates in polymers.

Methods and procedures for the determination of brominated biphenyls, polybrominated diphenyl ethers and phthalates.

--- Part 3-4.High performance liquid chromatography with ultraviolet detection (HPLC-UV), thin layer chromatography (TLC) and thermal desorption HPLC the purpose is to standardize the use of HPLC-UV, TLC and TD-MS to screen phthalates in polymers.

MS screening test methods and procedures for phthalates in polymers, etc.

--- Part 4: Determination of mercury in polymers, metals and electronic components by CV-AAS, CV-AFS, ICP-OES and ICP-MS. Purpose Aims to standardize the methods and procedures for determining the mercury content in electrical and electronic products.

--- Part 5: Determination of cadmium, lead, chromium and metals in polymers and electronic components by AAS, AFS, ICP-OES and ICP-MS Cadmium and lead content. The purpose is to standardize the methods and procedures for determining the content of cadmium, lead and chromium in electronic and electrical products.

--- Part 6: Determination of polybrominated biphenyls and polybrominated diphenyl ethers in polymers by gas chromatography-mass spectrometry (GC-MS).

Methods and procedures for the determination of polybrominated biphenyls and polybrominated diphenyl ethers in polymers of electrical and electronic products using GC-MS, etc.

--- Part 7-1.Determination of hexavalent chromium [Cr(VI)] in colorless and colored anti-corrosion coatings on metals by hexavalent chromium colorimetry.

It is used to standardize the methods and procedures for the qualitative determination of hexavalent chromium in colorless and colored anti-corrosion coatings on metal samples.

--- Part 7-2.Determination of hexavalent chromium [Cr(VI)] in polymers and electronic components by hexavalent chromium colorimetry.

Methods and procedures for quantitative detection of hexavalent chromium in samples of physical and electronic components.

--- Part 8: Gas chromatography-mass spectrometry (GC-MS) and gas chromatography-mass spectrometry with pyrolysis/thermal desorption (Py/TD-GC-MS) the purpose is to standardize the use of GC-MS and Py/TD-GC-MS to determine phthalates in polymers.

Methods and procedures for measuring the content of phthalates in foods.

--- Part 9: Determination of hexabromocyclododecane in polymers by gas chromatography-mass spectrometry (GC-MS). The purpose is to standardize the use of GC-Method and procedure for determining the hexabromocyclododecane content in polymers by MS, etc.

--- Part 10: Determination of polycyclic aromatic hydrocarbons (PAHs) in polymers and electronic components by gas chromatography-mass spectrometry (GC-MS).

To standardize the methods and procedures for determining the content of PAHs in polymers and electronic components using GC-MS.

--- Part 11: Determination of tri(2-chloro-2-nitropropene) in polymers by gas chromatography-mass spectrometry (GC-MS) and liquid chromatography-mass spectrometry (LC-MS) the purpose is to standardize the method of determining TCEP content in polymers using GC-MS and LC-MS.

Laws and procedures, etc.

--- Part 12: Simultaneous determination of polybrominated biphenyls, polybrominated diphenyl ethers and phthalates by gas chromatography-mass spectrometry (GC-MS). Purpose the purpose is to standardize the methods and procedures for the simultaneous determination of polybrominated biphenyls, polybrominated diphenyl ethers and phthalates using GC-MS.

--- Part 13: Liquid chromatography diode array detection (LC-DAD), liquid chromatography-mass spectrometry (LC-MS) and liquid chromatography-mass spectrometry (LC-MS) the purpose of this study is to standardize the use of LC-DAD, LC-MS/MS to determine bisphenol A (BPA) in polymers.

Methods and procedures for determining BPA content in polymers using MS and LC-MS/MS, etc.

--- Part 14: Determination of short-chain chlorinated paraffins (SCCP) and medium-chain chlorinated paraffins (MCCP) by gas chromatography-negative chemical ionization mass spectrometry (GC-NCI-MS) Chlorinated paraffins (MCCP). The purpose is to standardize the method and procedure for the determination of SCCP and MCCP content using GC-NCI-MS.

Sequence, etc.

--- Part 15: Determination of tetrabromobisphenol in polymers by gas chromatography-mass spectrometry (GC-MS) and liquid chromatography-mass spectrometry (LC-MS) A(TBBPA). The purpose is to standardize the method and method for determining TBBPA content in polymers using GC-MS and LC-MS Programs, etc.

Determination of certain substances in electronic and electrical products Part 3-2.Combustion-ion chromatography (C-IC) Screening for fluorine, chlorine and bromine in polymers and electronics Warning---People who use this document should have practical experience in formal laboratory work. This document does not address all possible safety issues.

The user is responsible for taking appropriate safety and health measures and ensuring compliance with the conditions stipulated in relevant national laws and regulations.

1 Scope

This document specifies the use of combustion-ion chromatography (C-IC) for the screening analysis of fluorine, chlorine and bromine in polymers and electronic components. Appendix D provides the C-IC screening analysis procedure for iodine was developed.

Note 1.Appendix A provides a combustion method for screening halogen (fluorine, chlorine, bromine and iodine) content in polymers and electronic parts using oxygen bomb combustion-ion chromatography.

Note 2.Appendix B provides a combustion method for screening the halogen content of materials by combustion in a closed system containing oxygen (oxygen bottle combustion (Schoeniger flask)) method and subsequent ion chromatography analysis of the combustion products.

This test method has been used for acrylonitrile-butadiene-styrene copolymer (ABS), Epoxy molding compound (EMC), polyethylene (PE) and polycarbonate (PC) were evaluated [Detailed results are shown in Table E.1 to Table E.6 and Appendix F (Table F.1 and Table F.2)].

This method has not been evaluated for other types of materials or outside the concentration ranges specified in Tables 1 to 3.

Table 1 C-IC detection concentration range of fluorine in PC

Substance/Element Fluorine Polymer Type PC Detection concentration or concentration range/(mg/kg) 575

Table 2 C-IC detection concentration range of chlorine in PE

Substance/Element Chlorine Polymer Type PE Detection concentration or concentration range/(mg/kg) 102.2

Table 3 C-IC detection concentration range of bromine in different materials

Substance/Element Bromine Polymer Type ABS EMC PE Detection concentration or concentration range/(mg/kg) 124~890 195~976 96

2 Normative references

The contents of the following documents constitute essential clauses of this document through normative references in this document.