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Isopropanol – Dry Ice Bath
I personally did this just a few weeks ago and used 91%. The alcohol took on a gelatinous sort of co ... |
9-4-2010 at 21:01
by: agorot |
Solid Sulfuric Acid
[rquote=174181&tid=13522&author=Mossydie]
Maybe the best way would be to remove all the wat ... |
5-4-2010 at 12:30
by: agorot |
Experimenting with mercury
[rquote=174893&tid=11652&author=Skyjumper]stocking up looks bad to this radical gov't Better ... |
3-4-2010 at 19:28
by: agorot |
Experimenting with mercury
[rquote=174838&tid=11652&author=gsd]
@agorot
Just to give you a price perspective, off l ... |
1-4-2010 at 19:07
by: agorot |
Experimenting with mercury
Ironically, I do live close to the border, but I wouldn't dare try crossing it right now. There are ... |
1-4-2010 at 18:56
by: agorot |
Experimenting with mercury
I want to buy some mercury to make my own Castner-Kellner cell. I've found this website: http://www. ... |
1-4-2010 at 17:29
by: agorot |
Bottles for Acids?
Have you ever come across a company that sells teflon bottles to the general public at reasonable pr ... |
25-3-2010 at 12:30
by: agorot |
Solid Sulfuric Acid
[rquote=174103&tid=13522&author=Mossydie]Why not make the anhydrous salt, then do the experi ... |
20-3-2010 at 13:43
by: agorot |
Mag stirring through Glas-Col heating mantle?
Where are you looking to buy your mantle? The cheapest I've seen are on Ebay. I really think that yo ... |
20-3-2010 at 12:59
by: agorot |
Solid Sulfuric Acid
Alright. Next time I try this then, here's what I'll do.
1) Heat the NaHSO4.H2O to 150 C until no ... |
20-3-2010 at 12:27
by: agorot |
Solid Sulfuric Acid
You're right, I just did a titration using 4 M NaOH in a buret and Phenolphthalein in with the acid ... |
20-3-2010 at 09:23
by: agorot |
Early chemists obtaining their reagents from nature.
[rquote=174063&tid=13527&author=IrC][rquote=174059&tid=13527&author=agorot][rquote=1 ... |
20-3-2010 at 09:02
by: agorot |
Early chemists obtaining their reagents from nature.
[rquote=174021&tid=13527&author=DDbiology2010] The glassware does take time to master, but y ... |
19-3-2010 at 17:10
by: agorot |
Solid Sulfuric Acid
[rquote=173948&tid=13522&author=woelen]I don't think you make 100% H2SO4. If you heated the ... |
19-3-2010 at 16:55
by: agorot |
Solid Sulfuric Acid
Today I did something quite cool 
To make things short, I used Sodium Bisulfate and decomposed ... |
17-3-2010 at 18:46
by: agorot |
Experimenting with mercury
I want to get some mercury to try to build my own Castner-Kellner cell for several reasons, but most ... |
13-3-2010 at 11:09
by: agorot |
concentrating household ammonia?
Oh . Misread the table then, I thought it was talking about the amount of
ammonium sulfate in a ba ... |
12-3-2010 at 15:04
by: agorot |
concentrating household ammonia?
@watson.fawkes
According to your link http://www.fertilizer.org/ifa/Home-Page/STATISTICS/Conversi ... |
12-3-2010 at 14:59
by: agorot |
Reaction question
[rquote=173526&tid=13499&author=not_important]
You do realise that H2SO3 (aq) does not appe ... |
11-3-2010 at 21:22
by: agorot |
Reaction question
oh, I see.
SO2 + H2O(steam) --> H2SO3
but you realize we're dealing with NaHCO3, not Na2CO ... |
11-3-2010 at 19:25
by: agorot |
concentrating household ammonia?
I guess I should just pony up and go to the garden store then. I wish I knew what to get. The proble ... |
11-3-2010 at 19:21
by: agorot |
Reaction question
H2SO3 + NaHCO3 --> ?
maybe NaHSO4, CO2, H2O, H2, NaSO3...
I've tried lots of stuff and I ca ... |
11-3-2010 at 17:20
by: agorot |
concentrating household ammonia?
Know what I've always wondered? I know this is not really a biology forum, but I wonder if there is ... |
11-3-2010 at 14:49
by: agorot |
Picking the right condenser?
I have a 500 mm graham condenser that I use a lot among others, but the only problem I have with tha ... |
10-3-2010 at 19:19
by: agorot |
Glass stopper broken off
Go to a thrift shop, get a really old microwave, plug it in outside, put the bottle inside the micro ... |
8-3-2010 at 05:47
by: agorot |
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