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Endothermic freezing mixtures
I'm not sure if it has been pointed out in the thread thus far, but to achieve these really low temp ... |
12-4-2012 at 11:24
by: peach |
Cooling with Butane
A 2kg CO2 extinguisher from ToolStation.com (the cheapest UK general tool supplier I'm aware of) is ... |
12-4-2012 at 05:50
by: peach |
Cooling with Butane
Heston Blumenthal was going on about it in his program 'How to cook like Heston', regarding the maki ... |
12-4-2012 at 00:32
by: peach |
Cooling with Butane
[quote]could you use it to cool samples as a substitue for an ice bath?[/quote]
You could, but I' ... |
11-4-2012 at 21:45
by: peach |
Pharmacology Student Poisons Self
That was (is?) popular in Japan.
Someone discovered that a certain domestic product contained la ... |
11-4-2012 at 10:16
by: peach |
Pharmacology Student Poisons Self
I seem to recall a story in the UK news recently (last few weeks) about a female university student ... |
11-4-2012 at 09:21
by: peach |
Removing Teflon from cookware
Speaking on behalf on my own experiences, I've never seen Teflonium peel off - I do cook on a regula ... |
10-4-2012 at 14:02
by: peach |
Preparation of Sodium persulfate
I was moving all the bottles I have on the shelves and noticed my PCB etch is [b]sodium[/b] persulph ... |
10-4-2012 at 13:58
by: peach |
looking for something that resists acids and chemical attack.
Mk Ultra was a mind control project run by the CIA around the 60's and 70's, when they experimented ... |
9-4-2012 at 09:21
by: peach |
Anthranilic Acid Synthesis
Phthalic anhydride can be made by extracting a box of disposable vinyl gloves, if need be.
I wil ... |
9-4-2012 at 08:26
by: peach |
looking for something that resists acids and chemical attack.
[b]IKEA:[/b] noun, a maze from some wacky 1960's Mk Ultra experiment.
[quote]there must be someth ... |
9-4-2012 at 08:18
by: peach |
looking for something that resists acids and chemical attack.
[quote]interesting photo, I love eating that stuff. So you kept bees? How many stings have you had?[ ... |
9-4-2012 at 05:53
by: peach |
looking for something that resists acids and chemical attack.
Candle wax.
I kept bees for a while, and still have mountains of hives, a few bee suits, tools, s ... |
9-4-2012 at 04:31
by: peach |
The rights of individuals to buy chemicals.
One can only be responsible for their actions if they understand what the real world consequences of ... |
9-4-2012 at 03:44
by: peach |
The rights of individuals to buy chemicals.
[quote]"The restrictions that prevent private individuals from buying laboratory chemicals are an un ... |
8-4-2012 at 16:18
by: peach |
looking for something that resists acids and chemical attack.
[quote]Black does not work for more than 10 minutes (anyone suggest why)?[/quote]
Is it the same ... |
8-4-2012 at 15:48
by: peach |
Tired of reporting spam
[quote]When a member clicks on the button, the post doesn't get reported as spam, but instead gets a ... |
8-4-2012 at 10:09
by: peach |
Removing Teflon from cookware
Teflon can't be dissolved in a solvent. The liquid teflon that's available from DuPont is a fine sus ... |
8-4-2012 at 07:30
by: peach |
Removing Teflon from cookware
Take it down to the local car respray / paint joint and tell them you'd like it shot blasting. You c ... |
8-4-2012 at 04:37
by: peach |
help with sodium bisulphate synthesis
You can dilute them down fine yep. So long as you have the same amount of concentrated sulphuric and ... |
8-4-2012 at 03:56
by: peach |
help with sodium bisulphate synthesis
It all depends which chemical and which container it is.
Concentrated hydrofluoric acid will eat ... |
7-4-2012 at 13:11
by: peach |
help with sodium bisulphate synthesis
[quote]So how should I actually mix it. never thought that I would have to ask this?[/quote]
The ... |
7-4-2012 at 12:58
by: peach |
help with sodium bisulphate synthesis
[quote]pour 50/50 distilled water and methylated spirit into the filter[/quote]
Only thing you mi ... |
7-4-2012 at 12:03
by: peach |
help with sodium bisulphate synthesis
NaOH + H2SO4 → NaHSO4 + H2O
NaOH: 39.9971 g/mol
Suphuric: 98.079 g/mol
Bisulphate: 12 ... |
7-4-2012 at 07:36
by: peach |
help with sodium bisulphate synthesis
[quote]By the way we do not have PH down here in Ireland and the swim pool stuff is not allowed to b ... |
7-4-2012 at 01:27
by: peach |
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