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Glass syringes
Okay so this may sound like a dumb question, but how do these things work?
I bought this nice "Ge ... |
12-2-2011 at 10:40
by: Arthur Dent |
the chemistry of glowsticks
Thanks!
Indeed, I saw Nurd's excellent video on how to make glowsticks using Diethyl Phthalate, T ... |
12-2-2011 at 10:22
by: Arthur Dent |
Gas scrubber for fermentation products
[rquote=201438&tid=15486&author=unionised].
Piping the gas outside is almost certainly the ... |
12-2-2011 at 10:12
by: Arthur Dent |
the chemistry of glowsticks
I have a few questions about the chemistry of glowsticks.
I was tempted to post this in "Reagents ... |
12-2-2011 at 06:30
by: Arthur Dent |
What to refrigerate?
I believe Ether is best kept at low temperatures to avoid the formation of dangerous peroxides.
... |
10-2-2011 at 17:46
by: Arthur Dent |
Gas scrubber for fermentation products
It is indeed a lot of work, but the challenge of preparing absolute ethanol out of water and sugar i ... |
10-2-2011 at 10:06
by: Arthur Dent |
Gas scrubber for fermentation products
I was reading the thread "Other methods for extracting ethanol?" at
http://www.sciencemadness.org/t ... |
10-2-2011 at 08:28
by: Arthur Dent |
Drying sensitive primaries
Thanks for the tips!
Yeah, I didn't want to waste bandwidth by starting a thread just for that. ... |
10-2-2011 at 07:40
by: Arthur Dent |
Drying sensitive primaries
If you kindly permit me to derail this thread ever so briefly, I do have a Pyrex vacuum dessicator, ... |
9-2-2011 at 18:08
by: Arthur Dent |
what do you use to store iodine/bromine
For iodine and bromine, would a glass bottle with a teflon lined cap be better if it was sealed with ... |
7-2-2011 at 06:58
by: Arthur Dent |
Chipped Condenser
Now that i've got my condenser all squared up  I read the rest of the book on
glassblowing. Fasci ... |
7-2-2011 at 06:18
by: Arthur Dent |
Reusing leftover Zn from Zn/HCl reduction
That should be no problem. When zinc is dipped in HCl, the reaction is quite intense and it etches t ... |
7-2-2011 at 05:03
by: Arthur Dent |
Chipped Condenser
Indeed, I downloaded the book in question from the library and, although it gives interesting tips o ... |
5-2-2011 at 12:42
by: Arthur Dent |
Chipped Condenser
Hi folks,
I bought yesterday a nice Pyrex condenser with 19/38 ground glass tapers, but it has a ... |
5-2-2011 at 08:15
by: Arthur Dent |
MgSO4
I've tried the "gradual heating" method with sodium bi to turn it into carbonate and it worked. Star ... |
3-2-2011 at 05:02
by: Arthur Dent |
Extraction of Mn2O7 using CCl4?
This is one of those chemicals that serves little or no purpose and is utterly dangerous. I know tha ... |
3-2-2011 at 04:27
by: Arthur Dent |
Anti bumping measures
[rquote=200468&tid=15408&author=peach]I believe the cube glass you find on the street from t ... |
2-2-2011 at 17:06
by: Arthur Dent |
When naphthalene balls aren’t naphthalene balls(?)
[rquote=199585&tid=15348&author=blogfast25]Even if the product is camphor based (as I now su ... |
25-1-2011 at 10:02
by: Arthur Dent |
CaCl2 + H2SO4
What would be the best tubing material for HCl gas and/or Cl ?
Teflon would be best ideally but I ... |
25-1-2011 at 09:02
by: Arthur Dent |
Hotplates + RB flasks
And the other alternative, although it takes an eternity to warm up and to cool down, is a sand bath ... |
25-1-2011 at 04:40
by: Arthur Dent |
Decent laboratory balances?
That's my next purchase. I don't want to go cheap too much, but a Ohaus bould be overkill for me. A ... |
24-1-2011 at 04:36
by: Arthur Dent |
Zinc-Carbon batteries
Yup, there are indeed numerous threads on harvesting components from old Zn/C batteries.
If your ... |
23-1-2011 at 10:53
by: Arthur Dent |
thermometers
Sorry to revive this antique thread, but I have a quick newbie question about thermometers...
I h ... |
23-1-2011 at 10:38
by: Arthur Dent |
Go away... rust, and never come back...
@ food: Wow! that's pretty nasty rust!
I bought another batch of old clamps, but they only had tr ... |
22-1-2011 at 15:18
by: Arthur Dent |
Go away... rust, and never come back...
@ food: Wow! that's pretty nasty rust!
I bought another batch of old clamps, but they only had tr ... |
22-1-2011 at 14:42
by: Arthur Dent |
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