Actually, based on his own tests AND the NIST documents, Jones reports not just sulfur, but also zinc, flourine (used in thermite) and,
high concentrations of barium.
http://worldtradecentertruth.com/volume/200609/DrJonesTalksatISUPhysicsDepartment.pdf
For Gravy to ignore this is just yellow journalism at its worst. Shame on you Gravy.
If you're talking about Page 49 of that oft-repeated trainwreck, there's several errors:
1. The "high concentrations" of Barium, assuming Jones didn't screw up or lie, were found in WTC dust, not fused in slag or on any column
2. Barium concentrations are in the 100 to 1000 ppm (that's 0.1 to 0.01%) range. No error bars are cited. Thermate should show a very high (20%+) signal in a slag sample, and nothing like this has been found.
3. There are much higher concentrations of other random elements. Zinc for starters. Jones actually claims on the same page (49)
"Zinc oxide would be a good choice to add to thermate." By his reasoning, there are a multitude of things that would be a "good choice." Why zinc? Nobody adds zinc! No point! Nobody adds TNT, either!
4. Jones has made no attempt to ascertain other potential sources of zinc and barium. Barium is a component of fluorescent lamps, among other things, and thus should have been present in large quantities in the WTC site. Zinc is commonly used in steel itself.
5. Even if we take him at face value, his "evidence" is purely circumstantial. But as we see above, we have no reason to take him at face value.
There's your "yellow journalism." And your double-standard.