SN/T 2003.5-2006 English PDF

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
SN/T 2003.5-2006	279	Add to Cart	3 days	Determination of lead, mercury, chromium, cadmium and bromine in electrical and electrical and electronic equipment. Part 5: Qualitative screening by energy dispersive X-ray fluorescence spectrometric method	Obsolete

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Basic data

Standard ID: SN/T 2003.5-2006 (SN/T2003.5-2006)
Description (Translated English): Determination of lead, mercury, chromium, cadmium and bromine in electrical and electrical and electronic equipment. Part 5: Qualitative screening by energy dispersive X-ray fluorescence 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: 7,771
Date of Issue: 2006-11-10
Date of Implementation: 2007-05-16
Quoted Standard: GB/T 8170; GB/T 15000.5; GB/T 16597
Regulation (derived from): Chinese industry standards for record 2007 of 3 (total of 87)
Issuing agency(ies): General Administration of Customs
Summary: This standard specifies the use of energy dispersive X-ray fluorescence spectroscopy of screening for electrical and electronic products authorized lead, mercury, chromium, cadmium and bromine method. This standard applies to electrical and electronic products, lead, mercury, chromium, cadmium and bromine quantitative screening. Used in this part of the analyte concentration range shown in Table 1.

SN/T 2003.5-2006: Determination of lead, mercury, chromium, cadmium and bromine in electrical and electrical and electronic equipment. Part 5: Qualitative screening by energy dispersive X-ray fluorescence spectrometric method

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Determination of lead, mercury, chromium, cadmium and bromine in electrical and electrical and electronic equipment. Part 5. Qualitative screening by energy dispersive X-ray fluorescence spectrometric method Book of the People's Republic of China Entry and Exit Inspection and Quarantine Determination of lead, mercury, chromium, cadmium and bromine in electrical and electronic products Part 5. Energy dispersive X-ray fluorescence spectrometry Quantitative screening Released on.2006-11-10 2007-05-16 implementation People's Republic The General Administration of Quality Supervision, Inspection and Quarantine issued

Foreword

This part is the fifth part of SN/T 2003. Appendix A of this section is an informative annex. This part is proposed and managed by the National Certification and Accreditation Administration. This section drafted by. Zhejiang Entry-Exit Inspection and Quarantine Bureau of the People's Republic of China, Shanghai Entry and Exit Inspection of the People's Republic of China Epidemic situation. The main drafters of this section. Zhu Xiaoyu, Zhou Min, Yi Yi, Wei Biwen, Yuan Jing, Yan Junwen. This section is the first industry standard for entry-exit inspection and quarantine. Determination of lead, mercury, chromium, cadmium and bromine in electrical and electronic products Part 5. Energy dispersive X-ray fluorescence spectrometry Quantitative screening

1 Scope

This section specifies the determination of lead, mercury, chromium, cadmium and bromine in electrical and electronic products by energy dispersive X-ray fluorescence spectrometry. method. This section applies to the quantitative screening of lead, mercury, chromium, cadmium and bromine in electrical and electronic products. The concentration range of the elements to be tested applicable in this section is shown in Table 1. Table 1 Quantitative screening of lead, mercury, chromium, cadmium and bromine in different matrix materials. The measurement unit is in milligrams per kilogram. Elemental polymer material, metal product, electronic component Cd P≤(70-3σ)< X< (130+3σ)≤FP≤(70-3σ)< X< (130+3σ)≤F LOD< X< (250+3σ)≤F Pb P≤(700-3σ)< X< (1300+3σ)≤FP≤(700-3σ)< X< (1300+3σ)≤FP≤(500-3σ)< X< (1500+3σ)≤F Hg P≤(700-3σ)< X< (1300+3σ)≤FP≤(700-3σ)< X< (1300+3σ)≤FP≤(500-3σ)< X< (1500+3σ)≤F Br P≤(300-3σ)< X - P≤(250-3σ)< X Cr P≤(700-3σ)< XP≤(700-3σ)< XP≤(500-3σ)< X Note 1. X indicates the measured value of the element to be tested, P indicates acceptance, and F indicates failure. Note 2. LOD indicates the detection limit of the element, and 3σ indicates the precision.

2 Normative references

The terms in the following documents become the provisions of this section by reference to this part of SN/T 2003. Quotations with dated , all subsequent amendments (not including errata content) or revisions do not apply to this section, however, encouragement is achieved under this section The parties to the agreement study whether the latest versions of these documents can be used. For undated references, the latest edition applies to this section. GB/T 8170 numerical rounding rules GB/T 15000.5 standard sample working guide (5) chemical composition standard sample technical general rules GB/T 16597 Methods of analysis of metallurgical products - General rules for X-ray fluorescence spectrometry

3 Method summary

The primary X-rays emitted by the X-ray tube are incident on the sample, and the sample elements are excited to emit fluorescent X-rays, and are associated with primary X-rays. The scattered rays enter the detector together for photoelectric conversion, and the output pulse of the detector is amplified by the amplitude of the amplifier and the amplitude of the pulse height analyzer. After screening, the data is processed by the computer and the result is output.

4 reagents and materials

4.1 Chromium oxide, cadmium oxide, lead oxide, oxidized mercury and potassium bromide. analytical grade. 4.2 Anhydrous lithium tetraborate. analytically pure, burned at 700 ° C for 2 h before use. 4.3 Helium. Purity >99.9%. 4.4 Reference material. A certified reference material or reference standard substance containing five elements of lead, mercury, chromium, cadmium and bromine. ......

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