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Vacuum distillation - cold trap
There isn't any oil if its a PTFE pump right? I have one and don't use a cold trap usually. I do use ... |
26-1-2019 at 15:55
by: Heptylene |
Detectable radioactivity from rubidium?
Wow great news, thanks for the update! |
23-1-2019 at 09:47
by: Heptylene |
Anyone use a multimeter/voltmeter with USB/PC output?
You could go with an Arduino + SD card datalogger modules (these already exist, just plug and play). ... |
23-1-2019 at 06:19
by: Heptylene |
Brexit effect - reagent dry up from/to the UK
Thanks for the explanation unionised! |
12-1-2019 at 03:56
by: Heptylene |
Brexit effect - reagent dry up from/to the UK
Why would imports have to be declared after the brexit? To collect VAT and other taxes? |
9-1-2019 at 02:17
by: Heptylene |
Detectable radioactivity from rubidium?
Interesting, so the beta is too easily stopped. If I get around to buying a rubidium salt I'll try t ... |
5-1-2019 at 08:52
by: Heptylene |
i have a distillation apparatus but i cant really use it.
[rquote=576529&tid=123316&author=Ubya]no need for nichrome wire, on ebay you can buy the alr ... |
4-1-2019 at 08:11
by: Heptylene |
Large lab
[rquote=576290&tid=118045&author=Abromination][rquote=575267&tid=118045&author=David ... |
4-1-2019 at 08:06
by: Heptylene |
Detectable radioactivity from rubidium?
Naturally occuring rubidium exists as about 72 % of Rb-85 which is stable, and 28 % of Rb-87 which h ... |
3-1-2019 at 10:04
by: Heptylene |
Ostwald reactor from platinized silica wool
Thank you WGTR!
The tube is held at both ends using plumbing pipe clamps. The clamps initially ... |
1-1-2019 at 14:57
by: Heptylene |
What chemistry would you do with a 3 year's supply of bipolar meds?
You could convert it to a suitable salt and electrolyse it in the molten state to make lithium metal ... |
31-12-2018 at 16:00
by: Heptylene |
Update: Tube furnace finished
I recently completed my tube furnace for the Ostwald reactor, so here are some picture:
[file]727 ... |
31-12-2018 at 07:04
by: Heptylene |
Be,As and Tl
[rquote=569951&tid=117637&author=wg48]There is no beryllium in domestic microwave magnetrons ... |
27-12-2018 at 03:06
by: Heptylene |
Be,As and Tl
Some electrical insulators contain beryllium oxide. Apparently magnetrons in microwave ovens have in ... |
26-12-2018 at 03:41
by: Heptylene |
Dichloromethane
You can use vented caps for glass bottles if you want to minimize the risk of explosion. It really d ... |
26-12-2018 at 03:34
by: Heptylene |
Rusting from HCl Bottle
There aren't that many way to deal with corrosive vapors:
1. Get a better bottle that actually seal ... |
8-12-2018 at 12:29
by: Heptylene |
making ethylene
Nice setup Magpie! Do you plan to use the ethylene in another reaction? |
2-12-2018 at 01:52
by: Heptylene |
In praise of Deschem
I can vouch for Deschem too, a few pieces I bought from them had very good joints. Much better than ... |
13-11-2018 at 12:33
by: Heptylene |
Storing HNO3 (corrosion)
It depends on the concentration. I'll assume you're talking about concentrated nitric acid (68 %). T ... |
12-11-2018 at 14:51
by: Heptylene |
Recovering Silver from Silver Bromide
I know this thread is about AgBr, but I think this is relevant nevertheless. I've been wondering for ... |
8-11-2018 at 14:13
by: Heptylene |
Hot Plate - Stirrer Repair guide
Great find, thanks for sharing! |
4-11-2018 at 01:01
by: Heptylene |
Why can't chemists make a consensus about water's pka???
Its not a matter of consensus, but rather a matter of defintions. Have a look at [url=https://online ... |
1-11-2018 at 13:12
by: Heptylene |
Any secrets to keeping a frit from getting clogged?
DavidJR great to know! I'll get some EDTA for sure now. |
31-10-2018 at 13:13
by: Heptylene |
Solid Phosphorus Triiodide
I've wondered about that too. If you do try it, please make sure to post your results. Maybe DCM can ... |
28-10-2018 at 03:45
by: Heptylene |
Looking for Information on 2-nitrotoluene
School project? Does your school have access to scifinder and/or reaxys? Very useful to find synthes ... |
28-10-2018 at 03:24
by: Heptylene |
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