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Capex L2C Vacuum Pump
I have just won a capex L2C vacuum pump on eBay (  ! )
Here's the technical data on it:
htt ... |
8-3-2010 at 13:00
by: 1281371269 |
What is the average yield in HNO3 lab production?
H2SO4 + 2KNO3 --> 2HNO3 + K2SO4
So 1 mole of sulphuric makes 2 moles of nitric
202g of KNO3 ... |
8-3-2010 at 10:51
by: 1281371269 |
Glass stopper broken off
How about a filling a plastic bucket with sand, digging the bottle into it so it's about half submer ... |
8-3-2010 at 09:05
by: 1281371269 |
Bromine Source and Synthesis
Entropy - thanks, I've found the synthesis. There were two on the page, the first one went something ... |
6-3-2010 at 08:54
by: 1281371269 |
Bromine Source and Synthesis
The reason I wanted to go by this route is that as toxic gases go, chlorine bothers me fairly little ... |
6-3-2010 at 08:35
by: 1281371269 |
Bromine Source and Synthesis
I've been away for a while due to having a lot of schoolwork but it's easing up a bit so I've been b ... |
6-3-2010 at 07:35
by: 1281371269 |
Chemical equations in MS Word
Haven't quite got the hang of this software - plus I can't work out how to turn it off. But a thorou ... |
11-12-2009 at 15:42
by: 1281371269 |
Free Glassware (with a caveat)
A little late there  |
29-11-2009 at 08:22
by: 1281371269 |
Homebuilt recirculating evaporative cooler
I was looking at pumps on eBay recently - there seem to be a lot of air pumps that have the same flo ... |
25-11-2009 at 09:00
by: 1281371269 |
Anyone ordered from special-metals.com? (EU)
I can't comment on this particular supplier, but as a rule of thumb:
If they don't reply, quickly, ... |
19-11-2009 at 13:00
by: 1281371269 |
clamp for 14/20 neck?
Might be an issue if flame is going to be applied though. Aren't clamps adjustable down to about a f ... |
17-11-2009 at 15:29
by: 1281371269 |
new UK equipment supplier
If that's Ben Brockbank, I recently bought a heating mantle from him. Definitely a recommended selle ... |
16-11-2009 at 13:00
by: 1281371269 |
DIY magnetic stirrer
I've tried that, it's actually running pretty slowly so it's unlikely that this is the issue. The be ... |
13-11-2009 at 06:33
by: 1281371269 |
DIY magnetic stirrer
Nope it was a half south half north. The motor keeps spinning, the bar doesn't move or spins madly f ... |
12-11-2009 at 14:15
by: 1281371269 |
Homemade HCL Bright Yellow
It depends what the impurities are and how pure you need the final product to be - what sort of reac ... |
11-11-2009 at 10:46
by: 1281371269 |
Chemical Resistance of Plastics
HDPE supposedly becomes brittle after long storage - but I have some 70% that was supplied in a blac ... |
10-11-2009 at 14:36
by: 1281371269 |
plastics and ethanol?
It's in miscellaneous (assuming that's the one hissingnoise refers to) - a link I found yesterday on ... |
10-11-2009 at 14:35
by: 1281371269 |
plastics and ethanol?
The issue would be heat resistance rather than chemical resistance - alcohol is often sold in plasti ... |
10-11-2009 at 10:17
by: 1281371269 |
Chemical Resistance of Plastics
It gives every name for Teflon (FEP / TFE / PFA) apart from PTFE which is the one most widely used. ... |
9-11-2009 at 13:13
by: 1281371269 |
Chemical Resistance of Plastics
I found this link - it's a very well presented datasheet of the chemical resistivity of common plast ... |
9-11-2009 at 11:54
by: 1281371269 |
Electrothermal Heating Mantle Question...
I had an idea on this, though it would require some bravery - for a sand bath, find a dirty old 1L R ... |
8-11-2009 at 10:49
by: 1281371269 |
getting hcl
[rquote=165575&tid=13017&author=blogfast25]Listen, all you meanies, you've scared him away n ... |
8-11-2009 at 10:42
by: 1281371269 |
getting hcl
Buy it. The only easy way to make it is by reacting NaCl with H2SO4, but if you can't get HCl then I ... |
7-11-2009 at 04:00
by: 1281371269 |
Periodic element song
More a feat of enunciation than of chemistry - has anyone tried singing it (or is that just me...), ... |
6-11-2009 at 11:05
by: 1281371269 |
DIY magnetic stirrer
I just can't get mine to work. I purchased a 40mm diameter neodymium magnet for it, built a case, sp ... |
6-11-2009 at 06:20
by: 1281371269 |
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