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Caltech JEOL 733 1990’s Spectrometer 124 TAP for Mg Al Si (Ca PET) Shaw Data Set: Caltech Jeol 733 -- TAP:1Mg 2Al 4Si Armstrong φ(ρz), FFAST macs, 15 kV Measured Wt% / Accepted Wt% 1.10 1.05 1.00 0.95 Mg Al Si Ca 0.90 0 5 10 15 20 25 30 35 40 Weight % Element UO EPMA Workshop 2008
Intercomparison of Measured vs. Accepted Concentration for <strong>St<strong>and</strong>ards</strong> on Microprobes MAC, avg MAC, 1sd Instrument C meas /C calc Mg 1.0030 0.0105 C meas /C calc Al 0.9948 0.0171 C meas /C calc Si 0.9940 0.0058 C meas /C calc Ca 1.0077 0.0107 Caltech 733 Spec 1 MgAlSi, avg Caltech 733 Spec 1 MgAlSi, 1sd 0.9909 0.0083 1.0000 0.0123 0.9977 0.0058 0.9993 0.0068 Caltech 733 Spec 2 MgAlSi, avg Caltech 733 Spec 2 MgAlSi, 1sd 0.9877 0.0086 0.9847 0.0122 0.9901 0.0064 0.9963 0.0064 Caltech 733 Spec 4 MgAlSi, avg Caltech 733 Spec 4 MgAlSi, 1sd 0.9783 0.0095 0.9862 0.0101 0.9938 0.0059 0.9971 0.0096 Caltech 733 Mg1Al2Si4, avg Caltech 733 Mg1Al2Si4, 1sd 0.9894 0.0077 0.9817 0.0188 0.9905 0.0061 0.9984 0.0063 UO EPMA Workshop 2008
Page 1 and 2: Electron-Probe Microanalysis: Instr
Page 3 and 4: Washington University, Saint Louis
Page 5 and 6: Pulse-Height Analysis Wavelength-di
Page 7 and 8: Detector Bias Scan Si Kα Vary Bias
Page 9 and 10: Calibration of PHA Using Bias vs. l
Page 11 and 12: Gain Shift Due to Count Rate 5K cps
Page 13 and 14: Carbon Kα PHA Scans Graphite, Fe3C
Page 15 and 16: WDS Deadtime Issues in EPMA • Dea
Page 17 and 18: Deadtime Losses Input - Output Curv
Page 19 and 20: Deadtime Relations Calculation of D
Page 21 and 22: Verification of Probe Current vs. A
Page 23 and 24: Deadtime Variation with Count Rate
Page 25 and 26: Alignment and Quantitative Analysis
Page 27 and 28: Electron Microprobe Column Spectrom
Page 29 and 30: CMASTF Standard Inventory: Natural
Page 31 and 32: Ag Lα NIST SRM 481 AgAu Alloy (ψ=
Page 33 and 34: Historical CMAS Data Caltech MAC Pr
Page 35 and 36: Caltech JEOL 733 1990’s Spectrome
Page 37: Caltech JEOL 733 1990’s Spectrome
Page 41 and 42: WU JXA-8200 CMASTF Data Set Spectro
Page 47 and 48: Accuracy, 1σ % Error in K meas / K
Page 49 and 50: Washington University Earth and Pla
Page 51 and 52: Lunar Meteorite SAU169 Stage map 10
Page 53 and 54: WU8200 JEOL SDD 55 Fe Source Mn Kα
Page 55 and 56: SDD Performance Data: WU8200 SDD Mn
Page 57 and 58: WU8200 SDD Mn K Spectra T1, 100 sec
Page 59 and 60: WU8200 SDD Mn L Spectra T1, 100 sec
Page 61 and 62: WU8200 SDD Deadtime vs. Count Rate
Page 63 and 64: WU8200 SDD Count Rate vs. Resolutio
Page 65 and 66: Washington University JXA-8200 SDD
Page 67 and 68: CMASTF Standard Analyses WU8200 SDD
Page 69 and 70: CMASTF Standard Analyses WU8200 SDD
Page 71 and 72: EPMA Standards UO EPMA Workshop 200
Page 73 and 74: Basalt Glass Indian Ocean USNM 1137
Page 75 and 76: Olivine Standards: Mn, Fe, Ni Stand
Page 77 and 78: Fayalite Standards Oxide MnO FeO* N
Page 79 and 80: Systematic Error Using Oxide Standa
Page 81 and 82: Accuracy of EPMA: Quantitative Anal
Page 83 and 84: Olivine Alpha Factor Study: Compari
Page 85 and 86: Analysis of Mg Kα in Shankland For
Page 87 and 88: Mg Kα in Olivine Using Forsterite
Page 89 and 90:
EPMA of San Carlos Olivine Correcti
Page 91 and 92:
Inconel Spheres: Diameter ~ 30 um U
Page 93 and 94:
Inconel Sphere Low Energy EDS Regio
Page 95 and 96:
Al Kα Peak Intensity at -10º to +
Page 97 and 98:
Problem Systems UO EPMA Workshop 20
Page 99 and 100:
WDS Background Selection (Natural P
Page 101 and 102:
WDS Scan LIF: Al, Cr, Ni, and NiCrA
Page 103 and 104:
Zn Kα ΙΙ V Kα Ce Lα La Lα Ti
Page 105 and 106:
WDS Scan: PET Crystal 95IRV Green,
Page 107 and 108:
WDS Scan: PET Crystal Sr Lα Peaks,
Page 109 and 110:
Elevated and Uncertain MAC Values f
Page 111 and 112:
Mass Absorption Coefficients for Si
Page 113 and 114:
Silicon Kα MAC at L-edge of Absorb
Page 115 and 116:
Error Analysis Ta Lα in TaSi 2 All
Page 117 and 118:
Calculated Compositions of TaSi2 Re
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