X-RAYEMISSIONANDABSORPTIONWAVELENGTHSANDTWO-THETATABLESSECONDEDITIONSponsoredbyASTMCommitteeE-2onEmissionspectroscopyPreparedbyE.W.WHITEG.G.JOHNSON,JR.ASTMDataseriesDS37APrice$54.00#AMERICANSOCIETYFORTESTINGANDMATERIALS1916RaceStreetPhiladelphia,Pa.19103BYAMERICANSOCIETYFORTESTINGANDMATERIALS1970LibraryofCongressNo.72-115226ISBN0-8031-2005-2NOTETheSocietyisnotresponsible,asabody,forstatementsandopinionsadvancedinthispublicationPrintedinU.S.A.May1970contentsPAGEForewordivTwo-ThetaTableI1PeriodicTable47Two-ThetaTableII51ForewordX-rayemissionspectrography(X-rayfluorescence)andtheelectronmicroprobearetwobasictechniquesforelementalchemicalanalysis.X-rayfluorescenceinstrumentsarenowusedroutinelyforthedeter-minationofallelementsfluorineandheavier.ThemoreefficientX-rayexcitationbyelectronsusedinthemicroprobemakesitfeasibletoworkwithallelementsboronandheavier.Lithiumandberylliumalsocanbedetectedinthemicroprobealthoughnotasreadilyastheheavierelements.FundamentaltothesuccessfuluseofthesetechniquesistheproperapplicationofX-rayemissionlineandabsorptionedgewave-lengthdata,togetherwithcalculatedvaluesfortheBraggdiffractionanglesoftheanalyzingcrystals.ThetrendistowardtheanalysisofspecimenshavingincreasingcomplexchemistryaswellastowardutilizationofX-rayemissionlineshifts(softX-rayspectroscopy)todeterminehowelementsarechemicallybondedinagivenspecimen.Thesedevelopmentshavecreatedaneedforreferencetablesincon-venientform.Thisvolumeisthesecondeditionofsuchtables.Itpro-videsalistingofallX-rayemissionlines(160A*andshorter),incor-poratingsome3400firstorderlines,absorptionedges,andthecalcu-latedtwo-thetavaluesfor23commonlyusedanalyzingcrystals.SincepublicationofthefirsteditionasASTMDataSeriesDS37,X-RayEmissionLineWavelengthandTwo-ThetaTablesin1965,[I]1severaldevelopmentshavestimulatedpreparationofanewedition.Takensingly,perhapsnoneofthesedevelopmentswouldwarrantanewedition,buttogethertheyrepresentamajoradvancementovertheearlierversion.Newanalyzingcrystalsarebeingdevelopedcontinually.Themo...