so i thought about some of the older experiments that we've done was there some way we could use thermite now thermite's very good at burning stuff but it's pretty tricky to get to ignite but i did remember we did some experiments with something called negative x this is a chemical composition made up of three other chemicals ammonium nitrate ammonium chloride and zinc dust if you mix them together in the right ratio they get catalyzed by water water will set off the chemical reaction and it creates a pretty spectacular fire in the past i've recommended using ammonium nitrate found in these instant cold packs well the formula for those cold packs has changed and in my tests it is no longer a reliable chemical to use for negative x so i went online and i bought some ammonium nitrate instead so with this ammonium nitrate that seems to be better regulated in terms of moisture we're going to measure out six grams onto our scale here but that's not the only powder we need we also need some ammonium chloride i'm going to add one gram of ammonium chloride
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