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Glassware cleaning procedures
Personally, I find resorting to using sulfuric acid/dichromate (essentially chromic acid) immediatel ...
2-6-2013 at 12:13
by: Hexavalent
Glassware cleaning procedures
Personally, I rinse all glassware in cold water, clean thoroughly in hot soapy water, rinse with hot ...
2-6-2013 at 06:11
by: Hexavalent
dimethyl mercury synthesis
Indeed, I recall a Dartmouth professor was killed some years ago by <FONT SIZE=+2> [color=Red] ...
2-6-2013 at 05:49
by: Hexavalent
acceptance of jokes
It's like when people reply to k3wls and cooks, telling them to add, e.g. "iron disulfide to sulfuri ...
1-6-2013 at 13:49
by: Hexavalent
Amazon experiences
I think I paid ~£5 (~$7.60) for 800 g of benzoic acid of unknown purity on eBay.

Upon checking t ...
1-6-2013 at 13:42
by: Hexavalent
Pictures of members.
Sorry for the eyesore, but here I am :P
29-5-2013 at 09:32
by: Hexavalent
Have at it.. whats your coolest reactions/experiment in the home lab?
Perhaps it is not the easiest experiment to repeat in the home lab, but the thermal decomposition of ...
28-5-2013 at 01:04
by: Hexavalent
Identifying an unknown
Do you have any information about your compound?
If it's inorganic, conventional wet techniques may ...
23-5-2013 at 14:09
by: Hexavalent
vacuum fraction receivers?
Cows and pigs are fine for smaller flasks, but bigger flasks may not be able to physically fit onto ...
22-5-2013 at 14:04
by: Hexavalent
vacuum fraction receivers?
[rquote=285121&tid=24330&author=Hexavalent]What about collecting your distillate in a suitab ...
22-5-2013 at 12:48
by: Hexavalent
vacuum fraction receivers?
What about collecting your distillate in a suitably-sized 2-neck flask; have the vacuum adapter conn ...
21-5-2013 at 09:16
by: Hexavalent
Homemade stands
chemcam, there is one flaw in your design that I hate in clamp stands: because the rod is in the mid ...
21-5-2013 at 07:44
by: Hexavalent
Selling of chemicals for organic chemistry
[rquote=284604&tid=24223&author=Pyro]that Br2 and Na is overpriced in my opinion.
i'd give ...
17-5-2013 at 13:43
by: Hexavalent
Pretty Pictures (1)
A nice little crystal of bismuth, it measures ~30x30 mm[sup]2[/sup] :)

<img src="https://fbcdn ...
16-5-2013 at 10:15
by: Hexavalent
Need to make magnesium citrate
Ah yes, I knew something didn't look quite right. Thanks for pointing that out, I'll update the equa ...
13-5-2013 at 12:23
by: Hexavalent
Need to make magnesium citrate
Yes.

Mg(OH)[sub]2[/sub] + C[sub]6[/sub]H[sub]8[/sub]O[sub]7[/sub] &rarr; C[sub]6[/sub]H[sub]6 ...
13-5-2013 at 11:51
by: Hexavalent
Chems from product
Is it any wonder why our poor search engine cripples to its knees whenever I try to search for somet ...
13-5-2013 at 11:46
by: Hexavalent
Salting out benzaldhyde from cinamaldheyd
[rquote=283860&tid=24198&author=Davyrocket]
But hay every 1 [/rquote]

This does not give ...
11-5-2013 at 07:37
by: Hexavalent
Salting out benzaldhyde from cinamaldheyd
Not to be overly-concerned, but does anyone else find this somewhat suspicious? The poster claims to ...
11-5-2013 at 00:47
by: Hexavalent
What are your desiccants?
I attest - anhydrous copper nitrate, as woelen pointed out, is a volatile, covalent and strongly nit ...
10-5-2013 at 13:18
by: Hexavalent
NMR help
Have you even attempted to read the spectra yourself? You seem to have a habit of posting work for o ...
9-5-2013 at 11:27
by: Hexavalent
hydrazine synthesis
I'd read it as that you add 120 mL of EtOH initially, then wash with 240 mL....
9-5-2013 at 09:32
by: Hexavalent
Forum Library
Ah okay, thanks. DJF90 kindly sent me offline copies of the books in the meantime :P
8-5-2013 at 12:12
by: Hexavalent
Titration exponent, pI...?
Perhaps they're referring to screened indicators (to both adjust the colours for better contrast, an ...
8-5-2013 at 12:07
by: Hexavalent
Qualitative (and Possibly quantitative) tests for Na?
My book "Quantitative Inorganic Analysis" by Belcher and Nutten states that "Sodium is determined gr ...
8-5-2013 at 12:00
by: Hexavalent
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