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Ammonium persulphate + copper + NaCO3 ?
I was etching a PCB today using Ammonium Persulphate and after it had finished I assumed I had mainl ...
16-7-2014 at 00:34
by: Aurum
Legal trouble
As the rules vary immensely around the world, it might be a good idea if you indicated where you re ...
26-8-2013 at 17:14
by: Aurum
Peroxide titration.
I tested a few bottles today and all the unopened bottles appear to be at full strength. A couple of ...
6-8-2013 at 04:42
by: Aurum
Peroxide titration.
Thanks for the suggestions but I'm trying to make it as simple as possible - it's for a hair salon!! ...
1-8-2013 at 21:07
by: Aurum
Peroxide titration.
25427
31-7-2013 at 19:27
by: Aurum
Peroxide titration.
I'm trying to ascertain the strength of some out of date peroxide solutions (3% - 12%) and am atemti ...
31-7-2013 at 19:00
by: Aurum
I'm bout ready to hang it up on glassware sellers on Ebay..
evil_lurker
Posts: 361
Registered: 13-3-2005
Member Is Offline

Mood: Addicted to Ebay!

...
14-4-2007 at 06:36
by: Aurum
Make Lithium Bromide.
tupence,
Where about in Aus are you? I tried to send you a U2U but the BB seems to have messed up.
10-4-2007 at 05:57
by: Aurum
Suitable Membrane/Diaphram for DIY Electrochemical Cell?
Has anyone tried using PET as a permeable membrane? PET is permeable and Mylar is PET with an alumin ...
29-3-2007 at 13:10
by: Aurum
Make Lithium Bromide.
I thought that when bisulphate was in solution you could think of it as sodium sulphate + sulphuric ...
28-3-2007 at 20:47
by: Aurum
Make Lithium Bromide.
Thanks everyone.

I think I’m going to try the diffusion method. But, as I don’t need conc. H& ...
27-3-2007 at 22:30
by: Aurum
Make Lithium Bromide.
How would I make some Lithium Bromide.

I can get the following,
Lithium Hypochlorite - pool sho ...
26-3-2007 at 23:42
by: Aurum
Howdy!
Should, of course, have been Calcium Nitrate.
21-3-2007 at 04:35
by: Aurum
Howdy!
One of the simplest precipitation reaction to demonstrate is copper sulphate and sodium carbonate. Y ...
20-3-2007 at 18:12
by: Aurum
Ethanol Still
Here's a nice document on building a still.
11-3-2007 at 06:50
by: Aurum
Heat and Cold of dissolution....
Is there any way to work out thermal change when a concentrated solution is diluted?

Edit, found ...
18-2-2007 at 05:39
by: Aurum
Positive Pressure filtering?
I would guess it's because with a vacuum you can never get more than 1 bar pressure difference. With ...
14-2-2007 at 05:56
by: Aurum
sodium bisulfate monohydrate synthesis
[quote][i]Originally posted by Rosco Bodine[/i]
Sodium Bisulfate Monohydrate is commonly available
...
13-2-2007 at 05:54
by: Aurum
problem with time travel
[quote][i]Originally posted by xxxxx[/i]
i like science fiction as much as the next guy, but i am h ...
4-2-2007 at 06:13
by: Aurum
hot champagne bottle + 26 psi
What is your local mains water pressure? If you pressurise the bottle from the mains and then heat i ...
15-1-2007 at 06:37
by: Aurum
chapati peroxide?
To quote the BBC,

"The prosecutor told how six bombs were made using a mix of liquid hydrogen per ...
15-1-2007 at 06:00
by: Aurum
Great Online Chemistry Texts for the Beginner and the Curious!
Can I add,
[url=http://www.chem.ox.ac.uk/vrchemistry/]Oxford University Virtual Chemistry.[/url] L ...
14-10-2006 at 20:05
by: Aurum
non fuming swimming pool acid?
I bought some today and tried a few things.

With Ca(NO<sub>3</sub>;)<sub>2</s ...
26-9-2006 at 00:55
by: Aurum
non fuming swimming pool acid?
Nerro,

Were talking about putting 2 Ltrs into 85,000 Ltrs to change the PH from 7.8 to 7.5, does ...
24-9-2006 at 06:16
by: Aurum
Prices of chemicals?
Thanks everyone, guess I'll have to try to find a more reasonable supplier.

However, as stated, h ...
23-9-2006 at 15:36
by: Aurum
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