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Palladium recovery from 10% palladium on zinc carbonate and other question
Don't use a frit, you will never get it all out... |
20-12-2019 at 19:49
by: DavidJR |
Keeping the vacuum pump clean
I use a chemical resistant diaphragm vacuum pump precisely to avoid this. You don't get as good a va ... |
20-12-2019 at 08:32
by: DavidJR |
Red Phosphorus Source
Phosphoric acid and HCl |
19-12-2019 at 14:41
by: DavidJR |
Attempt to make Aluminium Iodide in DCM - runaway reaction!
I thought so.
Try using a non-halogenated solvent.
[Edited on 19-12-2019 by DavidJR] |
19-12-2019 at 14:00
by: DavidJR |
Attempt to make Aluminium Iodide in DCM - runaway reaction!
Once the oxide coating has been removed from the aluminium (by the iodine), will the aluminium react ... |
19-12-2019 at 13:26
by: DavidJR |
Need Lab Space Advice - Power at current place can't support all of my equipment
They are far worse than lego bricks in my experience... |
19-12-2019 at 13:15
by: DavidJR |
Need Lab Space Advice - Power at current place can't support all of my equipment
[rquote=628187&tid=154590&author=j_sum1]I have never come across ring circuits before. I am ... |
18-12-2019 at 16:40
by: DavidJR |
Need Lab Space Advice - Power at current place can't support all of my equipment
[rquote=628167&tid=154590&author=morganbw](they do not normally expect industrial type of th ... |
18-12-2019 at 15:55
by: DavidJR |
Cleaning copper chromite from frit glass
In future don't use frits for filtering anything which you don't know how to dissolve again later. I ... |
18-12-2019 at 07:06
by: DavidJR |
FC alkylation?
Acid anhydrides can also be used for FC acylation. |
18-12-2019 at 07:03
by: DavidJR |
FC alkylation?
It wasn't actually broken... |
17-12-2019 at 19:52
by: DavidJR |
Need Lab Space Advice - Power at current place can't support all of my equipment
Why would 3kw be a problem? Oh, right, USA... |
17-12-2019 at 19:51
by: DavidJR |
FC alkylation?
[rquote=628105&tid=154587&author=dextro88]you can do it, buts its low yield reaction, and yo ... |
17-12-2019 at 15:58
by: DavidJR |
Cleaning copper chromite from frit glass
Try soaking in a solution of EDTA disodium. |
17-12-2019 at 15:43
by: DavidJR |
Using conc H2SO4 + NaCl to chlorinate alcohols?
[rquote=628054&tid=154582&author=Pumukli]
Lucas' reagent is known to work with secondary al ... |
16-12-2019 at 17:32
by: DavidJR |
Using conc H2SO4 + NaCl to chlorinate alcohols?
Use zinc chloride + HCl (Lucas' reagent) |
16-12-2019 at 00:56
by: DavidJR |
Is this synthesis of Diethyl Acetal safe?
I don't know. |
15-12-2019 at 16:38
by: DavidJR |
Is this synthesis of Diethyl Acetal safe?
I am not sure this would be enough to result in the flask actually exploding but there is definitely ... |
15-12-2019 at 10:20
by: DavidJR |
Haloform Reaction With Ca(OCl)2 and EtOH
I don't see any reason why not. |
15-12-2019 at 05:48
by: DavidJR |
Any method to convert potassium dichromate to ammonium dichromate?
Can't you just convert it to chromium trioxide using sulphuric acid? From there it should be trivial ... |
14-12-2019 at 20:59
by: DavidJR |
Crap from "attempt to make isopropyl salicylate, something interesting happened"
[rquote=627930&tid=154569&author=Pumukli]Does propene smell like that? I was under the impre ... |
14-12-2019 at 20:53
by: DavidJR |
Magpie has died
Rest in peace. |
14-12-2019 at 12:01
by: DavidJR |
Yellowing of Sodium Methoxide
I've never noticed a yellow colour when preparing sodium alkoxides (I've made NaOMe, NaOEt, NaOiPr). ... |
14-12-2019 at 11:56
by: DavidJR |
adding nitrogen to dcm /chloroform
For peroxidizable solvents like diethyl ether and tetrahydrofuran, it is probably more beneficial to ... |
10-12-2019 at 16:52
by: DavidJR |
adding nitrogen to dcm /chloroform
Probably would help, yes, but I don't think it's necessary. I'm assuming though that you are just co ... |
10-12-2019 at 16:35
by: DavidJR |
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