GB/T 40231-2021

Active

Restricted substance in electrical and electronic products—Determination of hexavalent chromium—Ion chromatography method

电子电气产品中的限用物质 六价铬的测定方法 离子色谱法

Standard Type
GBT
ICS
31.020
CCS
L10
Status
Active
Issue Date
2021-05-21
Implementation
2021-12-01
Centralized Committee
国家标准委
Issuing Authority
国家市场监督管理总局、中国国家标准化管理委员会

Application Summary AI generated

This standard specifies an ion chromatography method for determining hexavalent chromium content in electrical and electronic products. It is applied by manufacturers and testing laboratories to verify compliance with substance restrictions, such as those in the RoHS directive, by analyzing materials like metal coatings, plastics, and electronic components. The method ensures accurate quantification of hexavalent chromium to support product safety and environmental regulatory adherence.

Related Standards

GB/T 18502-2001 The DC critical current measurement for Ag or Ag-alloy sheathed bismuthal oxide superconductor GB/T 17564.4-2001 Standard data element types with associated classification scheme for electric components--Part 4:IEC reference collection of standard data element types，component classes and terms GB/T 17564.2-2000 Standard data element types with associated classification scheme for electric components--Part 2:EXPRESS dictionary schema GB/T 17564.3-1999 Standard data element types with associated classification scheme for electric components--Part 3:Maintenance and validation procedures GB/T 16880-1997 Guidelines for photomask defect classification and size definition GB/T 16879-1997 Guidelines for precision and accuracy expression for mask writing equipment GB/T 16822-1997 Test method for dielectric properties of dielectric crystal GB/T 16517-1996 Quartz crystal units--A specification in the quality assessment system for electronic components--Part 3:Sectional specification--Qualification approval
Transparency note: The application summary and key sentences on this page were automatically generated by AI from the standard's original text. This content has not been human-verified and should not be used for compliance or regulatory purposes. Always refer to the official standard document from the issuing authority.