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Monthly or bi-monthly "exotic" group chemical/reagent purchase - w/re-shipping to members
[rquote=529253&tid=87941&author=VSEPR_VOID]I am selling sodium metal on etsy. 100 grams for ...
14-8-2018 at 16:35
by: DavidJR
Metal Isopropoxides
Not sure that will work... From what I've read you can prepare copper alkoxides by reacting lithium ...
14-8-2018 at 02:52
by: DavidJR
anyone have experience forming grignards from chlorobenzene
I would be interested in any info about this since chlorobenzene is a lot cheaper than bromobenzene.
13-8-2018 at 02:33
by: DavidJR
Aspirin to phenyl acetate
[rquote=528526&tid=87472&author=ELRIC]
Wait a minute. Isn’t decarboxylation the same as t ...
10-8-2018 at 08:37
by: DavidJR
wiring PID controlled heating tape from 230V to 120V
[rquote=528378&tid=87445&author=razor0109]
So basically I could get almost 2000W of power o ...
10-8-2018 at 08:35
by: DavidJR
Collection of Chlorine by Electrolysis
Electrolysis of sodium (and potassium) chloride is done industrially on a very large scale to produc ...
9-8-2018 at 09:25
by: DavidJR
Mercury Switches
I suppose it's just like buying it in ampules. Think I'll order some of those...
9-8-2018 at 03:21
by: DavidJR
wiring PID controlled heating tape from 230V to 120V
Yeah, resistive heating elements don't give a crap about peak voltage or anything like that. Any pos ...
8-8-2018 at 11:57
by: DavidJR
heating mantle size
[rquote=528083&tid=87351&author=Sidmadra]
I will say however that I prefer to use "flat bot ...
7-8-2018 at 13:48
by: DavidJR
Last chemical order?
My latest orders:
[list]
[*] Sodium Azide, 10g
[*] Red Phosphorus, 250g
[*] Sulphur, reagent gra ...
7-8-2018 at 07:23
by: DavidJR
Responsible Chemical Waste Disposal
[rquote=527896&tid=81506&author=MrHomeScientist]They even let you drink it! To take x-rays o ...
6-8-2018 at 14:28
by: DavidJR
58% EtOH + NaOH = .....
What makes a remarkable difference in the level of fusels is simply if you allow the wash to complet ...
2-8-2018 at 13:24
by: DavidJR
Isopropyl iodide success!
What form does the phosphorous end up in once you're done?
2-8-2018 at 05:18
by: DavidJR
A set of challenges for home chemists.
[rquote=527026&tid=86595&author=Texium (zts16)]
Second one is science fiction [/rquote]

...
2-8-2018 at 00:24
by: DavidJR
Where to get pyridine in UK ?
Yes, APC and Atom are the same company but the product range differs slightly and so does the pricin ...
28-7-2018 at 14:39
by: DavidJR
Where to get pyridine in UK ?
I made a (very) small quantity from niacin the other day, wasn’t too difficult at all. However it ...
28-7-2018 at 09:27
by: DavidJR
Chem supplier in N Ireland - Ships to all UK
I've ordered from them before (25kg sodium sulphite for £75, on two occasions).
27-7-2018 at 02:16
by: DavidJR
HP (Agilent) 1050 - HPLC
[rquote=525683&tid=84340&author=wg48temp]
I recognised that chip. 23.5 usable bits for abo ...
26-7-2018 at 02:27
by: DavidJR
HP (Agilent) 1050 - HPLC
My biggest problem so far has been water quality. Turns out distilled water really isn't good enough ...
25-7-2018 at 06:26
by: DavidJR
How do you clean stubbornly dirty glassware when no solvent seems to work?
[rquote=524980&tid=85117&author=Dr.Bob]I like a base bath for stubborn stains. Just dump 4 ...
21-7-2018 at 15:38
by: DavidJR
How do you clean stubbornly dirty glassware when no solvent seems to work?
Has anyone tried a lab cleaning product called Decon 90? Tempted to order some and give it a go.

...
20-7-2018 at 06:28
by: DavidJR
How do you clean stubbornly dirty glassware when no solvent seems to work?
[rquote=524697&tid=85117&author=mackolol]Also you can try with permanganic acid with h2so4 a ...
20-7-2018 at 03:53
by: DavidJR
Good source of arsenic?
Rather you than I...
19-7-2018 at 12:42
by: DavidJR
Bad elements from ebay again
[rquote=522284&tid=82049&author=woelen]I found another bad one:

https://www.ebay.nl/itm/1 ...
19-7-2018 at 12:33
by: DavidJR
Heart medication recall.
[rquote=524469&tid=85005&author=morganbw]If you eat or even drink water you are probably exp ...
18-7-2018 at 13:15
by: DavidJR
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