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Author: Subject: Pretty Pictures (2)
alexleyenda
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[*] posted on 16-5-2015 at 10:36


Photos from my internship:

What the guy beside me do :


reac rouge mottons.jpg - 65kB

What i do while he sacrifices virgins :

reac flash.jpg - 51kB

-_-'




[Edited on 16-5-2015 by alexleyenda]




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[*] posted on 16-5-2015 at 12:49


It's a tough call as to who has the better job...



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[*] posted on 16-5-2015 at 12:56


When fermenting berries in the lab, always strain the mash first!



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[*] posted on 16-5-2015 at 13:15



Meme+00085.jpg - 166kB




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alexleyenda
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[*] posted on 16-5-2015 at 13:27


^^By the way, the red stuff was a kind of Iron 2+ complex with a bidental triple cycle ligand, I forgot it's name, anyway it's not my project as I said :p




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[*] posted on 16-5-2015 at 13:49


Quote: Originally posted by MrHomeScientist  
I've tried that one and it yields Bi powder, which isn't very interesting to me so I tried melting it down to an ingot. That failed, and instead it oxidized to yellow bismuth trioxide! Too finely powdered, I guess.
Yeah, I had the same experience! Even when I tried to melt it under argon (using a wine preservation canister). Oh well. It isn't very pretty for the element collection but at least it still works for chemistry.



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[*] posted on 17-5-2015 at 02:28
My collection (others)


1. Mn(SO4)2
2. naphthalene
3. thiourea
4. Na2B4O7
5. K2SO4*NiSO4
6. Bi


qGPQPiFTnNY.jpg - 30kBTgjSUZdWNr4.jpg - 67kB2wQYPkYCBvA.jpg - 26kByziUe21_G4o.jpg - 39kBOYEnhzkJh0M.jpg - 25kBsyDrkGbqgdM.jpg - 62kB
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[*] posted on 17-5-2015 at 04:05


Nice flask there Alexleyenda. Love the column too. I learned a lot doing an internship like program hope you did too.



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[*] posted on 17-5-2015 at 08:16


Gleb - Beautiful work, there!! I aspire to grow my own as well as yours. Can you tell me anything about the potassium sulfate and nickel sulfate crystal in your last picture?

Nizzo - Nice Nd sulfate crystals! How do you prevent yours from cracking? My medium sized ones (about that size) like to split along planes.
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[*] posted on 17-5-2015 at 21:38


<img src=http://i.imgur.com/vGCOVMu.jpg width=800>
<img src=http://i.imgur.com/cCwBiC6.jpg width=800>

The same holmium citrate solution, in tube lighting and CFL respectively.




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[*] posted on 18-5-2015 at 01:55


Wizzard, thank you!
I crystallized the stoichiometric amount of nickel sulfate solution and potassium:
NiSO4+K2SO4+6H2O=K2SO4*NiSO4*6H2O (blue-green crystals)

temperature=20 C
quite fine chemicals
isometric evaporation method
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Brain&Force
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[*] posted on 18-5-2015 at 20:05


<img src=http://i.imgur.com/By8k73e.jpg width=800>

Here's some of the holmium citrate solution I'm drying, under CFL light. The above pictures aren't very accurate, as there still was a bunch of particulate metal pieces that hadn't fully dissolved yet.

Here are the crystals that I've already made:

<img src=http://i.imgur.com/1gJSk0a.jpg width=800>




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[*] posted on 26-5-2015 at 12:40


Cool! Very small, too bad. How much holmium do you own?



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[*] posted on 26-5-2015 at 12:48


And there was B&F saying he had no Lab ...



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[*] posted on 28-5-2015 at 07:19


Probably has already been done but rhodamine B in water:

[Edited on 28-5-2015 by greenlight]

20150528_232919.jpg - 3MB

[Edited on 28-5-2015 by greenlight]

20150528_233157.jpg - 3MB
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[*] posted on 28-5-2015 at 11:14


Quote: Originally posted by greenlight  
Probably has already been done but rhodamine B in water:

[Edited on 28-5-2015 by greenlight]



[Edited on 28-5-2015 by greenlight]

Looks similar to phenolphtalein cristals falling in NaOH solution :D




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[*] posted on 31-5-2015 at 14:24


Yeah. But, heck, phenolphthalein crystals? I only've ever had solutions of it :/
Did you make the Rhodamine, or purchase it?




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greenlight
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[*] posted on 31-5-2015 at 18:57


@ volatile chemist;
I purchased the Rhodamine online.
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[*] posted on 3-6-2015 at 06:04


Again; may have already been posted but some nice coloured smoke compos:):

Screenshot_2015-06-03-17-22-24.png - 4.7MB Screenshot_2015-06-03-17-23-05.png - 4.1MB

[Edited on 3-6-2015 by greenlight]


Screenshot_2015-06-03-17-18-51.png - 4.1MB

[Edited on 3-6-2015 by greenlight]

[Edited on 3-6-2015 by greenlight]

Screenshot_2015-06-03-17-21-23.png - 3.7MB

[Edited on 3-6-2015 by greenlight]
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[*] posted on 3-6-2015 at 09:52


Quote: Originally posted by greenlight  
Again; may have already been posted but some nice coloured smoke compos:):



[Edited on 3-6-2015 by greenlight]




[Edited on 3-6-2015 by greenlight]

[Edited on 3-6-2015 by greenlight]



[Edited on 3-6-2015 by greenlight]


Wow beautiful!

Can you tell us something about your compositions?




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[*] posted on 3-6-2015 at 19:20


They are 50:30:20 Powder dye/Potassium chlorate/Lactose powder.
50 grams each wrapped in paper and tightly taped

Top left = Blue dye Top right = Purple dye (Rhodamine B)
Middle = Yellow solvent dye
Bottom = 50:50 Blue/yellow
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[*] posted on 4-6-2015 at 12:20


Cool, they look nice! Very opaque.



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[*] posted on 4-6-2015 at 14:04


Quote: Originally posted by greenlight  
Top left = Blue dye Top right = Purple dye (Rhodamine B)
Middle = Yellow solvent dye
Bottom = 50:50 Blue/yellow
Could you elaborate more on what the blue and yellow dyes consist of?



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[*] posted on 4-6-2015 at 16:24


Yes, please. I would like to know that as well. They look really nice!



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alexleyenda
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[*] posted on 4-6-2015 at 18:46


Quote: Originally posted by TheAustralianScientist  
Yes, please. I would like to know that as well. They look really nice!

I agree !

Today, in my internship, I made a zipper reaction, that is the result of ethylenediamine deprotonated by NaH, it becomes a nice purple !


11329668_575540119255398_533268627_n.jpg - 83kB11304469_575540042588739_157542487_n.jpg - 55kB




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