I take some metallic (white) tin, cool it off, and it converted to the grey allotrope. Arthur's video: • Tin is Overrated: Epis... Nile Red's video: • How to grow Tin Crystals! Help me make videos by donating here: / codyslab
German wikipedia lists -48°C as ideal for the fastest transition (the tendency to convert rises with falling temperature, but the reaction speed gets lower with temperature). It also states that metals like Aluminium or Zinc actually increase the rate (although some like Antimony or Bismuth decrease it).
JEDi Gamer Because I always check multiple sources (you should, too, and not only wikipedia) and my first language is German. All the english sources seem to have copied the "approximately -30°C" (most even use the same sentences you find on wikipedia), so I'll go with the "-48°C", because there has to be a reason someone specified it to within a degree. ;)
+JEDi Gamer Btw. for such things as numbers you can even check sources in languages you don't speak at all. You may be far from speaking the language, but it doesn't take long to get a feel what someone is generally taking about, be it Spanish, French, one of the scandinavian languages, maybe even Russian. Just try it! In this case most list values below -40°C and many of the experiments that show this use a temperature that low as well (that's more a hint for Cody now than you I guess ;) ).
cody, thanks for inserting both Fahrenheit and Celsius, it makes understanding the process a bit easier without having to convert. Keep up the good work ! :D
You my friend are the first RU-vidr that I actually watched all the videos and kept up to date, love your content you know what your talking about and looks like you love what you do keep up the work entertaining others and me as well, also learning little more then I ever knew on the experiments you do in your videos, Thanks for your content, and have a good day.
+Leone +Leone If you're referring to thimerosal which contains trace amounts of mercury, cody's going to have an incredibly difficult time finding them because they're not typically used anymore. however it's still very popular in tattoo inks.
I love your videos! Instead of coming off as a kind of "know it all" guy (like another channel I won't name), you sons like you're actually discovering new stuff together with the viewers. And your sheer enthusiasm and flashes of "oooh, I have an idea on what I'd do next!" is not just entertaining, but also contagious. Well done vids, sir!
moms will be moms, I remember I made a model of the planet mercury and my mom slapped it out of my hands and threw it away, because she thought I was playing with chemicals.
Good video! My memories of tin was back in the 1960's when my cousin and I were the teenage mad scientists. We had no computers available back then to distract us so we had an idea to carve out ingot molds out of blocks of wood and melt metal in solder pots for them. He had solder bars to work from and I had tin. His fell with a thud on a surface but mine was lighter and had a golden sheen and made a clink on the hard surfaces.
I think the grey tin turnes into white tin of warmth, and when you pressed the spoon on the grey tin, it made friction, and friction makes heat. That is how I think the grey tin turned into white tin :♧
I mean the melting point of tin is like 450F or something. You'd have to have some SERIOUS friction to generate that kind of heat. Way more likely due to pressure.
I love this channel. I am majoring in Software Engineering now, but I've always missed three classes ever since I finished high school. Those classes were chemistry, physics and geography.
I also made grey tin in my freezer. My starting material was metallic tin from Rotometals. There seems to be a lot of questions about how pure the tin needs to be for this experiment to work but I found the Rotometals tin sufficient. It also took several years for mine to convert. I had no idea that you could "seed" the conversion with a bit of grey tin. That is very interesting!
looks like he is sorting between new zinc pennies and old copper pennies, presumably so he can melt down the copper ones to get more copper value than the 1c
Joep Stuyfzand it was granted by the mighty god named 'Cody'sLab', i don't believe in god honestly but i like tiny jokes about religion (the ones i can understand atleast) :P
Hey Cody, can you make a a parabolic mirror using a heating element, recycled window glass. stannous chloride and silver nitrate? i thought to make the window pieces modular so that you can put multiples together and make the parabola. Love your show, keep up the good work!
Snowballs25687 so why comment asking any question anywhere? how come you aren't berating this video if you can just google it? how come you don't berate all informational video if you can just google it?
Wow Cody I just realized you're at 241k subs! I've been watching since around 5k subs and I've loved every vid I've seen. You're one of the last few real youtubers who dedicates their time to do what they love. Keep up the great vids man.
Oh wow, there's me asking Cody to make such a video on tin pest and it turns out he's done one already. Very interesting Cody, I did wonder if it was a reversible process and clearly it is.
Two scientists walk into a science bar. The first one says "Ill have some H2O" The second one said "Ill have some H2O too" the second one dies. Why? H2O2 is hyrdrogen peroxide. he drank it.
+thestalkinghead Only in siberia, elsewhere the cooling required would kinda give the game away, don't you think? But do watch the gallium on aluminum videos, you could really sabotage something with that. Makes me queasy every time I think of it while driving my aluminum car.
Oh my lawd I just looked at the sub count and I was expecting like 200k because the last time I looked at it was at like 5k, but 1.88mil? Congratulations Cody! I now feel old tho.
This is pretty interesting. I put a glass ampule containing 10 grams of 99.99% tin in the freezer many years ago, it took only a year or so to completely turn into powder. Then I left it untouched, until I saw this video. From what I can tell, it's now an even finer powder than what I remember it to be. I guess the transition was still ongoing in the past few years when I'm not watching.
In an applied climatology class, we got off on a random tangent about tin cans. The professor mentioned that Arctic or Antarctic expeditions were a reason most of our cans are steel now because the tin would "turn" and the cans would become brittle (he admitted he was not a materials scientist and that he wasn't really sure what that meant or how it worked). ...and now I know!
Wow that was awesome. I can imagine this would have been an inconvenient conversion if you were actually making something out of tin only to find it had crumbled into dust on you.
