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Originally posted by pteridine
reply to post by billybob
What were the spheres in Figure 3c? This was the initial sample and spheres were seen and isolated, magnetically. Could they be iron?
Originally posted by starchildtesla
No the DSC tests were done at a much lower temperature than an oxycatelene torch,that was a visual test.
The DSC test was done around 600c .Iron melts at 1500c therefore its impossible for spheres to form at 600c ,unless a thermitic reaction occurs.
Spheres are the result of molten iron due to surface tension.
The claims that the red chips are Kaolin paint are bunk ,because kaolin is a aluminosilicate, therefore when paint solvent is used on aluminosilicates it doesnt dissolve aluminosilicates, but paint solvent dissolves elemental iron mixed with rust.
Originally posted by pteridine
..........As I explained previously, to prove an exothermic reaction you must rule out combustion and run the experiment in an inert gas. The organic binder combusting in air would show a significant exotherm and this would mask any reaction.
Originally posted by pteridine
reply to post by starchildtesla
What problem do you have with the test being used in air.Yes there is oxygen in air, but oxygen does not cause such a exothermic chemical reaction without the combustable material being explosive anyway.
..........As I explained previously, to prove an exothermic reaction you must rule out combustion and run the experiment in an inert gas. The organic binder combusting in air would show a significant exotherm and this would mask any reaction.
Even if its not nanothermite(which it clearly is) its proven nanosized elemental aluminium , which is a explosive by itself anyway and is used in cutting edge military explosives.
.........It is not proven and clearly is not nano-thermite. If it were a nano-engineered thermitic material, all the particles would be in a narrow size range. The SEM shows them to be in a very broad range. Elemental aluminum was not demonstrated.
The paint solvent proves this is not paint. Kaolin is a aluminosilicate not aluminium its not explosive and guess what when you try and dissolve aluminosilicates with solvents nothing happens.
...........The inability of a solvent used in paint to dissolve a cured coating is not proof that the coating was not a paint. The only thing it shows is the general incompetence of the Jones team for selecting such a poor solvent.
When you use solvents with chemicals which are not chemically bound to one another they seperate.
So it proves the aluminium is not chemically bound to the rust.
.............Why would you expect aluminum to be bound to rust? Thermite is just a mixture of a metal oxide and aluminum. They are not chemically bound, just mixed together. Plain old thermite looks like a fine sand with grains of aluminum and black iron oxide.
Originally posted by pteridine
reply to post by starchildtesla
"1.Ok then show a combustible materiable able to melt iron."
.....I am glad that someone finally sees the error of running the DSC in air. While there are many combustible materials able to melt iron, Jones' premise cannot be proved by this and the entire experiment is invalid.
"2.Fig. (17). Clearly shows Elemental aluminium ,you would know this if you knew chemistry."
.........You don't need to "know chemistry" to see that Figure 17 shows an aluminum peak. What you have to know is that the XEDS beam is not as controllable as everyone believes and when trying to get an analysis near the edge of a sample, or when using a 20 KeV beam on a thin sample, one often illuminates the sample stage which is made of Aluminum, of all things. Given the questionable scientific merit of this paper, if they wish to claim elemental aluminum, they should carefully exclude the possibility of stage illumination through some common techniques that Herrit should know.
"Also the size of the aluminium granules smaller than 1um .Not large like you say. Fig. (8)."
.....In Nano terms, microns are large. They are not proven to be aluminum and their morphology is similar to kaolinite.
"The results indicate that the small particles with very high BSE
intensity (brightness) are consistently 100 nm in size and
have a faceted appearance. These bright particles are seen
intermixed with plate-like particles that have intermediate
BSE intensity and are approximately 40 nm thick and up to
about 1 micron across."
....When you quote the paper, make sure that you so indicate. This statement is not yours, but is in the paper.
"3.huh? "
....What I said is that MEK is not a good solvent for dissolving polymeric matrices. If these guys would have asked a chemist, they would have been referred to much better solvents.
"4. No i dont expect aluminium to be chemically bound to rust at all thats the point of thermite, its not chemcically bound,however paints such as kaolin are chemically bound stable molecules.
Thats why you will never get your peer reviewed article because you cannot show any material of aluminium mixed with iron oxide thats not chemically bound, none exists, aluminium oxidizes readily and its impossible to have elemental aluminium nanosized particles in the towers unless they were deliberately placed there."
..............Kaolin is an aluminosilicate clay, not a paint. It is often added to paint.
You shouldn't worry about my list of publications. The rest of your statement is not totally comprehensible, but finely divided aluminum is also used in paint and primers.
Originally posted by pteridine
"1. yea but not at 430c, forming molten iron spheres.Thus a very exothermic reaction took place. Can you provide another chemical reaction at 430c which is more energetic than tnt and forms iron spheres no !" .......Many things are more energetic than you think. Butter will beat TNT and thermite on a per gram basis. The spheres from the oxyacetylene torch are unremarkable as they are to be expected. The spheres that are claimed to be from the DSC may not be from a reaction but may be contained within the materials. This has yet to be shown.
"2.the stage sample was made of carbon."
....The mounts are generally aluminum unless otherwise stated. The conductive carbon tabs that were mentioned are two sided tape that hold samples and conduct electrons to ground so that the material doesn't charge and disturb the image.
"3.MEK is a strong solvent, it worked on seperating the rust and aluminium.Try it on your paint kaolin whatever im sure it will work.Regardless it wont magically seperate your aluminosilicate into aluminium and silicon oxide."
.............MEK is an organic solvent that is easily bettered by methylene chloride, DMF, or DMSO. What any of these solvents do is to dissolve, or partially dissolve, the organic matrix and any sort of separation will be the result of that dissolution. It is unfortunate that Jones' team used the comparatively weak MEK.
Thank you for the information on the aluminosilicate decomposition but I wasn't really concerned about that particular reaction.
"4.Please give an example of elemental aluminium being used in paint."
........."Silver" spray paint has finely divided aluminum as a pigment. High temperature aluminum paint is used on exhaust manifolds and similar applications. Many metallized paints use aluminum as a pigment.
Originally posted by pteridine
reply to post by pteridine
"1.The spheres formed in the dsc with very narrow exotherms prove its explosive, explosives release energy very quickly rather than butter which take along time to convert into energy.
The spheres were not in the red chips before the reaction,proving that they were formed in the explosion,temperatyres of 1400c + were formed"
...........From the paper Page 25.. "In addition to the red/gray chips, many small spheres have been found by our group in the WTC dust. These contain the same elements as the residue of thermite, as noted in
a previous paper [5]." I will reserve judgement because Jones has not shown that the spheres he claims were the result of DSC were not present in the matrix to begin with.
"2. only carbon is in the background of eds."
....I have explained how aluminum could be inadvertently included in EDAX data. You are reading the paper where it discusses use of carbon to prevent charging.
"3.the mek proved elemental aluminium, it also doesnt dissolve the red chips, mek is a paint solvent.Is there any paint that doesnt dissolve from paint solvent."
........A solvent used in uncured paint does not necessarily dissolve a cured coating. Cured coatings are polymeric in nature. You can dissolve components of epoxy resin with common solvents but the cured epoxy is much more difficult to dissolve.
"3.yea nanosized granules of aluminium are used in paints and spray..."
............You asked about pigment and I responded. The elemental aluminum data is questionable. The paper has many faults that prevent Jones from proving his thesis. The DSC in air is his biggest problem and a comparison of the DSC of an energetic aerogel and the red chips [figure 29] shows marked differences in onset temperature and shape. Jones completely botched the analysis by doing the DSC in air because he doesn't understand chemistry.