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1、电子电气产品中有毒有害物质检测方法DeterminationofLevelsofSixRegulatedSubstances(Lead,Mercury,HexavalentChrominum,PolybrominatedBiphenyls,PolybrominatedBiphenylEther)inElectrotechnicalProducts郑建国博士Dr.ZhengJianguoGuangdongEntry-ExitInspection&QuarantineBureau,P.R.ChinaComparisonsofTestingmethodsofISO/I
2、EC,GBandSNforRoHS13methodsinISO/IEC6232112methodsinGBseriesstandards22methodsinSNseriesstandardsDetailsinTable1.SNseriesStandardsforRoHSTestingMethodsProceduresofthemechanicaldisjointmentforthedeterminationofregulatedsubstancesinelectrotechnicalproductsGeneralRequirementsConformityAs
3、sessmentlead,mercury,cadmium,chromiumChromium（VI）PBB、PBDEscreeningXRFSpot-testSparkIRICP-AESAASICP-MSCVAASAFSUV-VISICGC-MSLC-MSGC-ECDGC-FIDHPLC15methodsinSNseriesstandardsforRoHShavebeenfinished:1、DeterminationofChromium（VI）inelectricalandelectronicequipment—1,5-Diphenylcarbohydrazid
4、espectrophotometryCr(VI)compoundwasextractedfromsampleusingbasicextractsolutionwithshakingat90℃～95℃waterbathfor1.5hours,whichcanreactwith1,5-Diphenylcarbohydrazidetoappearakindofamaranthinecomplexinacidmedium.Then,thiscomplexwasdetectedatwavelength540nmwithUVspectrometry.15methodsinS
5、NseriesstandardsforRoHShavebeenfinished:２、Determinationofmercuryinelectricalandelectronicequipment—Hydridegeneration-atomicfluorescencespectrometryAstometalmaterialinelectricalandelectronicequipment,itwasdigestedwithroutineaciddigestion.Andtotheothermaterial,itwasdigestedwithairtight
6、high-temperaturepressbomb.Afterdigestion,mercuryinsamplematerialcanbedigestedintodissolublesalt.Andfinally,obtaineddigestionsolutionwasdetectedusingHydridegeneration-atomicfluorescencespectrometry.15methodsinSNseriesstandardsforRoHShavebeenfinished:３、Determinationoflead,cadmiumandchr
7、omiuminelectricalandelectronicequipment—FlameatomicabsorptionspectrometryAstometalmaterialinelectricalandelectronicequipment,itwasdigestedwithroutineaciddigestionwithconcentratednitricacid,andfortheothermaterial,itwasdigestedwithconcentratedHNO3、H2O2andHF（speciallyfortheglassandchina
8、warematerial
