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wanted - DA23 reduction adaptor. 19/26 socket 24/29 cone
Thanks guys! Is that chinese glass worth it? Price is right certainly but I find cheap glass lasts l ... |
18-6-2014 at 09:59
by: pepsimax |
Experimental: Alternative to Al/Hg - the Al/Cu
10% was from the total amount added the first reaction, around 22g. 10g was added to begin with and ... |
15-6-2014 at 22:33
by: pepsimax |
Experimental: Alternative to Al/Hg - the Al/Cu
Also i'm getting a lot of black powder in both reactions, copper oxide I presume? Is this normal? Se ... |
15-6-2014 at 06:46
by: pepsimax |
Experimental: Alternative to Al/Hg - the Al/Cu
Could have been dirty substrate, I didn't recrystallise it before use. Impure substrate can lead to ... |
15-6-2014 at 06:26
by: pepsimax |
wanted - DA23 reduction adaptor. 19/26 socket 24/29 cone
Yes, but that is an expansion adaptor but yeah just the other way around. The piece I need is a DA23 ... |
14-6-2014 at 13:22
by: pepsimax |
wanted - DA23 reduction adaptor. 19/26 socket 24/29 cone
As above. Pretty desperate here! A still head with 24/29 cones would be ok as well. UK if possible! |
14-6-2014 at 12:43
by: pepsimax |
Experimental: Alternative to Al/Hg - the Al/Cu
Still nothing unfortunately. Could be crappy extraction because I can't steam distill it at the mome ... |
14-6-2014 at 11:24
by: pepsimax |
Experimental: Alternative to Al/Hg - the Al/Cu
I checked my reaction with IPA and realised I hadn't based it properly - pH 8 (whoops)! Plenty of Na ... |
14-6-2014 at 04:25
by: pepsimax |
Experimental: Alternative to Al/Hg - the Al/Cu
I tried this, I wasn't expecting how vigorously it would react! A great deal of my ethanol was boile ... |
11-6-2014 at 09:01
by: pepsimax |
[HIT !] IKA and Heidolph stirrer/hotplates + Pt-100 [HIT !] PRICE LOWERED
The heidolf is a superb unit - I own one myself. Bargain for whoever buys it. |
24-5-2014 at 03:48
by: pepsimax |
Drying ethanol.
Ah, heh sorry! Dropped my condenser the other day so was hoping simple drying agents may work. Are y ... |
17-5-2014 at 04:30
by: pepsimax |
Drying ethanol.
Ha, why so? Saw it for sale on an auction site, bought it. Stuff like that doesn't crop up often so ... |
17-5-2014 at 04:09
by: pepsimax |
Drying ethanol.
My 99.8% sigma ethanol bottle is about half full and has sucked a fair bit of water in. I poured 50m ... |
16-5-2014 at 23:45
by: pepsimax |
Sealed 25g can of LAH, sigma-aldrich plus benzene (UK)
As above, I have no use for this reagent so i'll offer it up for the price I bought it. Does 25gbp a ... |
16-5-2014 at 23:07
by: pepsimax |
urushibara catalyst preparation
[rquote=308441&tid=27374&author=Nicodem][rquote=308371&tid=27374&author=pepsimax]I'm ... |
24-11-2013 at 15:02
by: pepsimax |
urushibara catalyst preparation
[rquote=307954&tid=27374&author=gsd]@ Pepsimax
Excuse me, could you tell us which patents y ... |
23-11-2013 at 13:52
by: pepsimax |
urushibara catalyst preparation
Very true my friend.
What would be an easy chemical to reduce to verify? Something with an obvio ... |
21-11-2013 at 10:09
by: pepsimax |
urushibara catalyst preparation
Thanks, I got the IPA boiling so vigourously that I couldn't really tell if the yellow nickel had di ... |
21-11-2013 at 05:51
by: pepsimax |
urushibara catalyst preparation
Hmm, tried with IPA, couldn't get the nickel to dissolve properly. the solution turned green with he ... |
20-11-2013 at 15:27
by: pepsimax |
urushibara catalyst preparation
Apologies, my phone corrected it to that.
Yes I intend to precipitate the Ni with Al or Zn, not s ... |
20-11-2013 at 14:31
by: pepsimax |
urushibara catalyst preparation
Hi, going to prepare this catalyst to see if it's amazing as people make out.
However, I don't ha ... |
20-11-2013 at 09:30
by: pepsimax |
Cheap Aluminum
Ah, never thought of that thanks!
If anyone is interested, bacofoil extra thick is roughly 17micr ... |
31-7-2013 at 01:22
by: pepsimax |
Cheap Aluminum
Exactly my friend!
Also useful for slight insulation etc... Basic foil is just too thin, rips eas ... |
30-7-2013 at 22:04
by: pepsimax |
Cheap Aluminum
Hello! First post here but lurked for many years.
Does anyone know a brand of aluminum foil in th ... |
30-7-2013 at 17:04
by: pepsimax |
