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What's the most expensive substance you've bought?
My most expensive purchase was probably an allotrope of carbon.
It seemed particularly expensive a ...
5-9-2016 at 08:57
by: wg48
Protein powder half-life after mixed with water
I good guide would be how long you can keep made up baby formula and how to make it up.

Its a lon ...
5-9-2016 at 08:23
by: wg48
Rye grown in Martian soil
It would be more usual to use the weight of the whole plant in the analysis.

Depending how you ...
5-9-2016 at 08:07
by: wg48
electrical advice needed: motor fuse
[rquote=460062&tid=68851&author=Magpie]My reasoning on the higher amp rating was that if the ...
5-9-2016 at 05:13
by: wg48
What about "glassy" carbon as an anode material in a chlorate or perchlorate cell?
[rquote=460011&tid=4411&author=jpsmith123]It seems that DLC films have been made (using vari ...
4-9-2016 at 07:53
by: wg48
What about "glassy" carbon as an anode material in a chlorate or perchlorate cell?
[rquote=459967&tid=4411&author=yobbo II]Paper here (if anyone can get it) where the voltages ...
4-9-2016 at 06:24
by: wg48
carbon tetrachloride from NaClO and (?)Surfactants
[rquote=459939&tid=68829&author=hippo]I mean to say if the reactants were in large quantitie ...
3-9-2016 at 14:52
by: wg48
What about "glassy" carbon as an anode material in a chlorate or perchlorate cell?
Apparently it works from ethanol, methanol and glycol water solutions and also acetic acid and water ...
3-9-2016 at 11:41
by: wg48
carbon tetrachloride from NaClO and (?)Surfactants
"very high concentrations" (up to 101 mg/m3) or about 0.1 ppm Thats a meaning of very high concentr ...
3-9-2016 at 11:21
by: wg48
Ridiculously Priced Product on Amazon
or 10kg of copper sulphate for £10,000

http://www.ebay.co.uk/itm/Copper-sulphate-sulfate-50g-100 ...
3-9-2016 at 10:04
by: wg48
What about "glassy" carbon as an anode material in a chlorate or perchlorate cell?
[rquote=459746&tid=4411&author=Twospoons]10^7 Ω-cm isn't disastrous. A 10cm^2 electrode wit ...
2-9-2016 at 02:45
by: wg48
What about "glassy" carbon as an anode material in a chlorate or perchlorate cell?
[rquote=459620&tid=4411&author=yobbo II]
The paper gives values of conductivity for films t ...
1-9-2016 at 01:48
by: wg48
What about "glassy" carbon as an anode material in a chlorate or perchlorate cell?
Yes thats an interesting paper. In particular how a none conductive substrate can be coated.

It g ...
31-8-2016 at 05:28
by: wg48
Tired of reporting spam
[rquote=457578&tid=16937&author=Crowfjord]Mods don't need to be online. If two trusted membe ...
30-8-2016 at 01:29
by: wg48
buying from China
I found a reference stating the accuracy of the 1:10 taper on standard ground glass joints (marked ...
25-8-2016 at 14:01
by: wg48
hand warmer platinum catalyst
Wow those are cheap. If they do contain platinum as you suggest it will not be very much. Wiki sugg ...
24-8-2016 at 14:22
by: wg48
Mechanics brain teaser
[rquote=458613&tid=68398&author=blogfast25][rquote=458607&tid=68398&author=wg48]

...
24-8-2016 at 13:03
by: wg48
Mechanics brain teaser
[rquote=458605&tid=68398&author=woelen]First I want to say, blogfast25, keep up the good wor ...
23-8-2016 at 12:40
by: wg48
Mechanics brain teaser
[rquote=458586&tid=68398&author=blogfast25][rquote=458576&tid=68398&author=wg48]
I ...
23-8-2016 at 12:11
by: wg48
Mechanics brain teaser
[rquote=458566&tid=68398&author=blogfast25]One more incorrect answer. So a total of 3 correc ...
23-8-2016 at 07:42
by: wg48
buying from China
There are what I would call flaws in the Liberg condenser and in the broken funnel. More precisely p ...
22-8-2016 at 14:33
by: wg48
buying from China
Recently I ordered some 24/40 ground glass jointed labware from China. 19 items in total including t ...
22-8-2016 at 06:52
by: wg48
Distilling Sulfuric Acid
[rquote=457617&tid=61920&author=Deathunter88][rquote=457587&tid=61920&author=wg48][r ...
13-8-2016 at 07:35
by: wg48
Distilling Sulfuric Acid
[rquote=457585&tid=61920&author=Metacelsus]You should be aware that using a Vigreux column w ...
12-8-2016 at 15:01
by: wg48
Distilling Sulfuric Acid
I want to concentrate my 30% sulphuric acid. I don't want to waste any of it so I will use a 280mm V ...
12-8-2016 at 14:18
by: wg48
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