Gaffney, get a grip. You're spouting nonsense again.
Another of your NIST rants and distortion of the scientific facts.
There was no mystery to the eutectic mixture found at WTC7. It's only a mystery to Troofers as they circle jerk around the same discredited theories and fabricated mysteries.
This is well known and proven science, not a fairy tale of troofer weirdness.
Here's an explanation that you probably won't understand as it isn't in "Trooferspeak."
Sulfur Dioxide gas (e.g., from decomposing Gypsum wallboard) spontaneously reacts (combines) with iron metal (cold or hot), turning it into iron sulfides and iron oxides (i.e. burning the iron). The sulfides introduced into iron (sulfidation) by exposure of iron to Sulfur Dioxide gas have been used by humans (blacksmiths) for hundreds if not thousands of years, and have been understood in chemical terms for centuries, but apparently, such chemistry is not understood by BYU Professor Jones.
"The formation of the eutectic mixture of iron oxide and iron sulfide lowers the temperature at which liquid can form in this steel. This strongly suggests that the temperatures in this region of the steel beam approached ~1000°C by a process similar to making a “blacksmith’s weld” in a hand forge. (Barnett, 2001)"
For hundreds of years, Blacksmiths took advantage of this well-known property of sulfur dioxide by "welding" iron parts together over fires of sulfur-rich charcoal, which lowers the melting point of iron at its surface.
Sulfur Dioxide gas can be released by the burning of ANY ORGANIC substance, including wood, paper, flesh, fabrics, and especially plastics (carpets), and rubber (rubber is "vulcanized" by adding sulfur to it). Sulfur Dioxide gas, has a distinct impact on the nose, and is a respiratory irritant, because it forms sulfurous acid when it combines with water or moisture in the human body. Sulfur Dioxide can be further oxidized to form sulfuric acid (when added to water). High concentrations of Sulfurous fumes emanating from the piles at Ground Zero have been documented, and have been identified as a probable cause of respiratory ailments suffered by many rescue workers and cleanup crews. "One of the America's top air-quality scientists test the air around Ground Zero and tells NBC's Lisa Myers and the NBC Investigative Team he was shocked to find alarming levels of sulfuric acid and fine particles more than three weeks after the attack. (MSNBC, October 29, 2003)" http://www.asthmamoms.com/worldtrade...ticles2003.htm
Professor Jones demonstrates his ignorance of the basic "Blacksmith" chemistry of sulfidation-by-S02-from-fire with his following oblivious or dishonest statements: "Then there is the rather mysterious sulfidation of the steel reported in this paper -- What is the origin of this sulfur? No solid answer is given in any of the official reports. ... While gypsum in the buildings is a source of sulfur, it is highly unlikely that this sulfur could find its way into the structural steel in such a way as to form a eutectic. ... Thus, we find substantial evidence supporting the current conjecture that some variation of thermite (e.g., solid aluminum powder plus Fe2O3, with possible addition of sulfur) was used on the steel columns of the WTC Tower to weaken the huge steel supports, not long before explosives finished the demolition job."