Does any one have one of these Thermo "slide charts"? This one is a 2004 copyright.
Take a close look at mine when I slide it over to the K absorption edge column:
![](https://probesoftware.com/smf/gallery/395_20_01_23_9_21_25.jpeg)
No one noticed anything odd? OK take a close look at the edge energies of Fe, Co and Ni...
Yup, that's right. There's a typo for the Co K edge energy. And it only took me 18 years to notice it!
![Embarrassed :-[](https://probesoftware.com/smf/Smileys/default/embarrassed.gif)