GB/T 33352-2024General rules of screening application of restricted substances in electrical and electronic products - X-Ray fluorescence spectrometry (English PDF)

1 Scope

This document specifies the energy dispersive X-ray fluorescence spectroscopy screening test for lead (Pb), mercury (Hg), cadmium (Cd), total chromium (Cd) and other trace elements in electrical and electronic products:

Requirements for instruments, personnel technical capabilities, test procedures, quality control, documentation, etc: for elements such as chromium (Cr) and total bromine (Br):

This document applies to X-ray fluorescence of lead (Pb), mercury (Hg), cadmium (Cd), total chromium (Cr) and total bromine (Br) in electrical and electronic products:

Optical spectral screening test: This document is not suitable for testing gas samples:

The wavelength dispersive X-ray fluorescence spectroscopy screening application can be implemented as a reference:

Note: For wavelength dispersive X-ray fluorescence spectroscopy, refer to relevant standards or instrument manuals for sample preparation:

2 Normative references

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

For referenced documents without a date, only the version corresponding to that date applies to this document; for referenced documents without a date, the latest version (including all amendments) applies to

This document:

GB 4793:1-2007 Safety requirements for electrical equipment for measurement, control and laboratory use Part 1: General requirements

GB 18871 Basic Standard for Ionizing Radiation Protection and Radiation Source Safety

GB/T 26572 Limit requirements for restricted substances in electronic and electrical products

GB/T 31364-2015 Energy dispersive X-ray fluorescence spectrometer main performance test method

GB/T 39560:1-2020 Determination of certain substances in electrical and electronic products Part 1: Introduction and overview

GB/T 39560:2 Determination of certain substances in electrical and electronic products Part 2: Disassembly, splitting and mechanical sample preparation

GB/T 39560:301-2020 Determination of certain substances in electrical and electronic products Part 3-1: Screening by X-ray fluorescence spectrometry

Lead, mercury, cadmium, total chromium and total bromine

3 Terms and definitions

GB/T 39560:1-2020 and GB/T 39560:301-2020 definitions and the following terms and definitions apply to this document:

3:1 screening

An analytical method to determine whether a representative part or component of a product contains a restricted substance by comparing the test results with the established limit values:

The substances are compared with the corresponding element limits to determine the presence, absence or need for further analysis and testing of restricted substances:

Note: If the value measured by the screening method cannot determine whether the substance to be tested is present, further confirmatory analysis or other procedures may be required to make a final determination:

Determination of existence or non-existence:

GB/T 31274 | GB/T 32883 | GB/T 33345 | GB/T 33351.2 | GB/T 33353 | […]