EDS谱线如附件中所示,图中Ga峰远远强于Al峰,但是EDAX Genesis软件计算出来的Ga质量百分比小于Al的。请问如何理解这一数据?谢谢!
EDAX ZAF Quantification (Standardless)
Element Normalized
SEC Table : Default
Elem Wt % At % K-Ratio Z A F
-------------------------------------------------------------
AlK 68.51 85.12 0.1516 1.0202 0.2169 1.0000
TiK 0.28 0.20 0.0011 0.9715 0.3707 1.0406
GaK 30.19 14.51 0.2906 0.9502 1.0132 1.0000
PtL 0.00 0.00 0.0000 0.9465 2.3803 1.0000
AuL 1.02 0.17 0.0238 0.9519 2.4453 1.0000
Total 100.00 100.00
Element Net Inte. Backgrd Inte. Error P/B
-------------------------------------------------
AlK 79.56 14.90 2.34 5.34
TiK 1.94 8.26 39.51 0.23
GaK 778.83 5.78 0.64 134.65
PtL 0.00 5.40 0.00 0.00
AuL 12.04 5.15 7.00 2.34
Label :
Acquisition Time : 17:44:00
kV: 200.00 Tilt: 15.00 Take-off: 32.38 AmpT: 50.0Det Type:SUTW, Sapphire Res: 136.30 Lsec: 31