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Water does not hydrate you per EU officials
No, typical Tory EU bashing.
Most Brits understand that we might as well try to get along with the ...
29-11-2011 at 11:30
by: unionised
Water does not hydrate you per EU officials
As used by NASA!
21-11-2011 at 13:26
by: unionised
Nitrous oxide based explosives
Not altogether convenient, but it works.
http://pubs.acs.org/doi/abs/10.1021/ac00069a028

21-11-2011 at 13:24
by: unionised
What the hell is in my cold packs?!?!
Well, the legislation seems pretty tight. However I don't think recrystallising AN would be too diff ...
21-11-2011 at 13:19
by: unionised
Water does not hydrate you per EU officials
1 Never believe the Torygraph
2 The EU rightly pointed out that it silly for bottled water to make ...
20-11-2011 at 05:29
by: unionised
What the hell is in my cold packs?!?!
AN is a nitrogenous salt.
What law was it? I'd like to see if there's a loophole, but actually I do ...
20-11-2011 at 05:12
by: unionised
A list of delayed-acting poison
The "delayed action" poisons are certainly interesting. I think we should add paracetamol (acetamino ...
15-11-2011 at 11:39
by: unionised
Help settle a dispute between educators on significant figures in compound operations
I recently had to explain to a colleague that reporting the result of a calculation as (something li ...
14-11-2011 at 13:05
by: unionised
Help settle a dispute between educators on significant figures in compound operations
"My answer to the problem is that the 30 has only 1 significant figure "
As far as I can see, there ...
13-11-2011 at 02:03
by: unionised
3000th Topic !! Ohhh Yeeeaaahh
I will tie a disposable vinyl glove to the compressed air tap and open the valve slightly so it blow ...
13-11-2011 at 01:56
by: unionised
300+ PSI Autoclave
anything that survives 300 PSI, nitric acid, and high temperatures isn't ever going to be cheap.
12-11-2011 at 08:34
by: unionised
Samarium from SmCo5 Magnets
I'm fairly sure that cobalt hydroxide will dissolve in an excess of aqueous ammonia but the Sm hydro ...
12-11-2011 at 06:50
by: unionised
Shop-made supercritical CO2 chamber
"Indium or lead may make a very good, hard seal. "
Possibly the only time you will ever see indium ...
31-10-2011 at 11:59
by: unionised
Oxygen Sensor for Glove Box or Other use?
I haven't checked but, to be much use as a power source the battery would need to be able to produce ...
31-10-2011 at 11:47
by: unionised
Oxygen Sensor for Glove Box or Other use?
[rquote=226037&tid=17879&author=benzylchloride1]This reference describes the preparation and ...
30-10-2011 at 01:51
by: unionised
How do I make permanent glassware markings?
"How do I make [u]permanent[/u]glassware markings?"

"Just use a sharpie. Writes just fine on smoo ...
30-10-2011 at 01:49
by: unionised
Precipitating Rayon with Sodium Bisulfate
The bisulphate should work.
29-10-2011 at 05:53
by: unionised
Oxygen Sensor for Glove Box or Other use?
You can't suck a useful amount of air out of the box to purge it. But there's another useful trick. ...
29-10-2011 at 05:51
by: unionised
Why no nuclear batteries in cell phones ?
"In the case of Pu-238 is is a way of diisposing of all old nuclear bombs."

Or vice versa.:o
27-10-2011 at 10:02
by: unionised
High Voltage power supply
I know you need a voltage spike to start most gas discharge tubes. However most of the CFL I hve see ...
23-10-2011 at 06:51
by: unionised
High Voltage power supply
"CFL transformer circuits can ramp the voltage up to about 14,000V."
Why?
22-10-2011 at 08:55
by: unionised
''Random'' question about Nuclear physic
OK, here's the "back of an envelope" calculation.
Imagine I have some tritium. Each time an atom of ...
20-10-2011 at 10:59
by: unionised
Frozen Glass Stopper
I don't think that fledarmus has adequately emphasised the importance of wearing safety glasses.
Br ...
19-10-2011 at 11:53
by: unionised
How to make relatively pure AlCl3
Last time I looked boric acid wasn't a very good lewis acid and it's practically not a bronsted acid ...
10-10-2011 at 12:22
by: unionised
Turning CsNO3 to other cesium salts.
Incidentally, what do biochemistry labs do with the CsCl after they use it?
I'm thinking a bit of d ...
9-10-2011 at 11:57
by: unionised
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