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Endimion17
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Quote: Originally posted by ItalianChemist  | Pieces of white phosphorous glowing in the dark!
Actually, they seem to be more bright then they are,because I've used a long exposure time.
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Nice. 
The brightness is pretty much ok. That's how it basically looks when you watch it with eyes adapted to darkness. The color is slightly offset, though.
It's not that blue when viewed with human eyes in the darkness.
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Adas
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Some TATP crystals which recrystallized in the test tube.
Other pictures: P2, P3, P4
I don't know much about photographing, so I'm sorry about the quality and effects. I think they are nicer when you see them with naked eye.
Rest In Pieces!
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kristofvagyok
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A super pure crystalline solid, recrystallised several times and according to NMR, MS data we have no idea what is it and how did it formed from my
reaction.
I have a blog where I post my pictures from my work: http://labphoto.tumblr.com/
-Pictures from chemistry, check it out(:
"You can’t become a chemist and expect to live forever." |
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Eddygp
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What about using a spectrometer?
there may be bugs in gfind
[ˌɛdidʒiˈpiː] IPA pronunciation for my Username |
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White Yeti
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If I'm not mistaken, you need a reference to analyse a sample with IR spectrometer.
It looks like kristof has no reference to compare with, in which case NMR is far more useful.
"Ja, Kalzium, das ist alles!" -Otto Loewi
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ElectroWin
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those crystals remind me of sodium sulfate, kristofvagyok;
but what do i know?
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kristofvagyok
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According to the NMR data it is a small length polymer of my compound CN substituents on the chain. The MS said that it has a 404g/mol molecular
weight and the strange is that it distilled at 90Celsius at water jet vacuum so it couldn't be that we would think.
And no, it's not sodium sulfate, it's organic, could be easily recrystallized from EtOAc/Hexane(:
Also, today is my birthday so I would like to share something with You all:
This is one of my fav pics, what could be downloaded in hi-res without watermark from here if you want a nice wallpaper(: http://img40.imageshack.us/img40/5749/121113029.jpg
Cheers(:
[Edited on 12-1-2013 by kristofvagyok]
I have a blog where I post my pictures from my work: http://labphoto.tumblr.com/
-Pictures from chemistry, check it out(:
"You can’t become a chemist and expect to live forever." |
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mayko
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Nice pix everyone
Here's a few of mine. This one is actually the runoff dish from an early MgSO4 recrystallization; it turned out more interesting than the main
product!
http://topologicoceans.files.wordpress.com/2012/11/petri_cystals.jpg
Some (Na/K)2CrO4
Not directly chemical, but took this while playing around with DIY spectroscopy.
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Adas
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Probably the biggest TATP crystals ever made. Enjoy 
You can download the whole album HERE
Rest In Pieces!
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blogfast25
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404 error. Broken link?
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mayko
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Weird, seemed to work for me. Try here:
http://topologicoceans.wordpress.com/2012/11/24/dont-forget-...
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blogfast25
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Yup, that one's fine. Nice blog. Check your U2U.
[Edited on 19-1-2013 by blogfast25]
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kristofvagyok
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There is a perfect method for obtaining large crystals from a solution, the only problem is that usually I work fast so I can't do it, but: Slow
crystal growth is put it on the shelf and forget about it.
And if someone is interested I have made a collection from my best pics on the blog: http://labphoto.tumblr.com/tagged/portfolio/
-if anyone has an idea of that which picture is not there then please tell it, because these are my personal favorites(:
I have a blog where I post my pictures from my work: http://labphoto.tumblr.com/
-Pictures from chemistry, check it out(:
"You can’t become a chemist and expect to live forever." |
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m1tanker78
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Kristoff: interesting crystals there in the last pic. Is that cactus or is it a spiny caterpillar??
Tank
Chemical CURIOSITY KILLED THE CATalyst.
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Fossil
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That's insane, however it must be lots of fun to muck around with those crystals.
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hissingnoise
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Well, for me, the 'fun' would be tempered by the full expectation of an imminent, spontaneous detonation caused by internal stresses within such
crystals!
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Adas
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| Quote: Originally posted by hissingnoise | Well, for me, the 'fun' would be tempered by the full expectation of an imminent, spontaneous detonation caused by internal stresses within
such crystals!
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This is TATP, not silver fulminate.
Rest In Pieces!
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hissingnoise
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It's a sensitive organic peroxide ─ that's enough for me . . .
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Adas
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Of course it is sensitive But not AS sensitive. I have done some tests with big
crystals, nothing spectacular happened.
But I respect your opinion as it is most probably based on your personal experience.
Rest In Pieces!
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watson.fawkes
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I doubt it. People who
play with large crystals of sensitive peroxides have an unfortunate tendency not to have personal experiences to relate after some time.
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Mailinmypocket
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Freshly crystallized ammonium methyl sulfate... Looks like a mound of snowflakes
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mr.crow
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Very nice! How did you make it?
Double, double toil and trouble; Fire burn, and caldron bubble
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Mailinmypocket
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Thanks (unfortunately, looking back the photo isn't as clear as I thought it
was) I followed the procedure identically as described by UnintentionalChaos on this thread here
Very simple process though, essentially just refluxing methanol with sulfamic acid while stirring. It took a good couple hours for all the sulfamic
acid to dissolve so make sure you have something to do in the meantime 
[Edited on 21-1-2013 by Mailinmypocket]
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mr.crow
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Cool! I wonder if it can be used as a 'safe' methylating agent, but I can't find too much information
Double, double toil and trouble; Fire burn, and caldron bubble
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Mailinmypocket
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I haven't been able to find much information on it either, but plan on doing some more searching. I made it as a route to methylamine though so I
wasn't looking into its methylation abilities(if any)
Last night some friends came over and brought their kids, they had a blast playing with fluorescent dyes in my kitchen sink with a blacklight lol. I
floated ice cubes in water and put small mounds of fluorescein and rhodamine b on the cubes, as the cubes melted the cold currents carried the dyes
downwards and made for some really cool displays! Simple but even fun for an adult 
 
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