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SN/T 2004.5-2006: Determination of chromium, cadmium, mercury, lead and bromine in electrical and electrical and equipment. Part 5: Inductively coupled plasma mass spectrometric method
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| SN/T 2004.5-2006 | English | 259 |
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Determination of chromium, cadmium, mercury, lead and bromine in electrical and electrical and equipment. Part 5: Inductively coupled plasma mass spectrometric method
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SN/T 2004.5-2006
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Basic data | Standard ID | SN/T 2004.5-2006 (SN/T2004.5-2006) | | Description (Translated English) | Determination of chromium, cadmium, mercury, lead and bromine in electrical and electrical and equipment. Part 5: Inductively coupled plasma mass spectrometric method | | Sector / Industry | Commodity Inspection Standard (Recommended) | | Classification of Chinese Standard | G04;L04 | | Classification of International Standard | 71.040; 31.020 | | Word Count Estimation | 8,866 | | Date of Issue | 2006-11-10 | | Date of Implementation | 2007-01-01 | | Quoted Standard | GB/T 602; GB/T 620-1993 | | Regulation (derived from) | Chinese industry standard 2007 of filing a (total of 85) | | Issuing agency(ies) | General Administration of Customs | | Summary | This standard specifies the inductively coupled plasma atomic emission spectrometry (ICP-AES) Determination of electrical and electronic products, chromium, lead, mercury, cadmium and bromine approach. This standard applies to electrical and electronic products Polymer (except PTFE), metal alloy materials, paint coatings, glass, ceramics, welding materials and electronic components of Cr, Cd, Hg, Pb and Br by ICP-MS. Its corresponding. Cr, Cd, Hg, Pb and Br detection limits were: 0. 06, 0. 07, 0. 04, 0. 01 and 6. 0ng/mL. | SN/T 2004.5-2006: Determination of chromium, cadmium, mercury, lead and bromine in electrical and electrical and equipment. Part 5: Inductively coupled plasma mass spectrometric method
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Determination of chromium, cadmium, mercury, lead and bromine in electrical and electrical and equipment. Part 5. Inductively coupled plasma mass spectrometric method
Book of the People's Republic of China Entry and Exit Inspection and Quarantine
Determination of lead, mercury, cadmium, chromium and bromine in electrical and electronic products
Part 5. Inductively coupled plasma mass spectrometry (ICP-MS)
Released on June 26,.2006
2007-01-01 implementation
People's Republic
The General Administration of Quality Supervision, Inspection and Quarantine issued
Foreword
This part is the fifth part of SN/T 2004.
Appendix A and Appendix B of this part are informative annexes.
This part is proposed and managed by the National Certification and Accreditation Administration.
This part was drafted by the Shanghai Entry-Exit Inspection and Quarantine Bureau, and the Guangdong Entry-Exit Inspection and Quarantine Bureau participated in the drafting.
The main drafters of this section. Sun Mingxing, Wei Biwen, Zhu Zhixiu, Zhong Zhiguang, Jiang Haining, Li Chen, and Yan Junwen.
This section is the first industry standard for entry-exit inspection and quarantine.
Determination of lead, mercury, cadmium, chromium and bromine in electrical and electronic products
Part 5. Inductively coupled plasma mass spectrometry (ICP-MS)
1 Scope
This section specifies methods for the determination of chromium, lead, mercury, cadmium and bromine in electrical and electronic products by inductively coupled plasma mass spectrometry (ICP-MS).
This section applies to polymers (excluding fluoropolymers), metal alloy materials, paint coatings, glass ceramics, and welding consumables in electrical and electronic products.
ICP-MS determination of Cr, Cd, Hg, Pb and Br in materials and electronic components. The corresponding detection limits of Cr, Cd, Hg, Pb and Br
Do not. 0.06, 0.07, 0.04, 0.01, and 6.0 ng/mL.
2 Normative references
The terms in the following documents become the terms of this section by reference in this section. All dated references, followed by all
Modifications (not including errata content) or revisions do not apply to this section, however, parties to agreements based on this section are encouraged to
Whether the latest version of these files can be used. For undated references, the latest edition applies to this section.
Preparation of GB/T 602 chemical reagents and impurities for standard solution preparation
GB/T 620-1993 Hydrofluoric acid
3 Principle of the method
The sample is subjected to high temperature pressure microwave sealed digestion-mixed acid solution treatment, and then diluted to a constant volume, and then indium is added as an internal standard to directly perform ICP-
The content of Cr, Cd, Hg, Pb and Br in the sample solution was determined by MS measurement based on the quantitative relationship between the mass-to-charge ratio intensity and its elemental concentration.
4 reagents and materials
Unless otherwise stated, only chemical agents identified as superior or sub-boiling were used in the analysis. a small amount of other reagents (join
Analytical grade can be used in an amount not exceeding 1 mL).
4.1 Nitric acid (ρ = 1.42 g/mL, 65%).
4.2 Nitric acid (1+1).
4.3 Hydrochloric acid (ρ = 1.19 g/mL, 37%).
4.4 Hydrogen peroxide (ρ = 1.10 g/mL, 39%).
4.5 Tetrafluoroboric acid. HBF 450%.
4.6 Hydrofluoric acid (40%) (in accordance with GB/T 620-1993).
4.7 Standard solution. standard solution preparation of chromium, lead, mercury, cadmium and bromine elements according to GB/T 602 method, or direct use of standard substances
Elemental standard liquid for the validity period of the certificate. The concentration of chromium, lead, mercury, cadmium and bromine in the standard solution are respectively 1000μg/mL, and then 2.5% nitrate.
The acid was diluted stepwise to 100 μg/mL, 1 μg/mL.
4.8 High purity argon (cylinder) (purity greater than 99.999%).
4.9 Internal standard. Indium 10ng/mL.
5 instruments
5.1 Inductively coupled plasma mass spectrometer (see Appendix A for instrument parameters and conditions of use).
5.2 High temperature pressure microwave digestion furnace (see Appendix B for instrument working conditions).
5.3 High temperature resistant pressure sealed digestion tank.
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