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failiure at nitration, can I recover anything?
[rquote=622315&tid=153360&author=jupiteri35]
Can it really pass the skin?[/rquote]
Yes i ... |
6-9-2019 at 13:48
by: DavidJR |
Can you use "somewhat activated" Nickel as a catalyst?
Hmm the original post was deleted. |
6-9-2019 at 01:17
by: DavidJR |
(Successfully) Ordering from Sigma Aldrich in the UK
[rquote=622252&tid=145003&author=Loptr]
Anything happen that could have caused this? Any co ... |
5-9-2019 at 15:19
by: DavidJR |
(Successfully) Ordering from Sigma Aldrich in the UK
For anyone searching for this later, don't bother trying Refer Scientific any more, they never fulfi ... |
4-9-2019 at 13:23
by: DavidJR |
Sigma-Aldrich
For anyone searching for this later, don't bother trying Refer Scientific any more, they never fulfi ... |
4-9-2019 at 13:21
by: DavidJR |
Latest chemical order?
[rquote=611751&tid=9890&author=DavidJR]Slightly scary one on order now- 100ml of dimethyl su ... |
4-9-2019 at 13:14
by: DavidJR |
cyanide legality
Quote: Originally posted by Picnic Acid
||
|| In the UK all chemicals in the C=N group (Except fe ... |
30-8-2019 at 12:54
by: DavidJR |
Synthesizing Nitrobenzene [Video]
You used rather a lot of magnesium sulphate, which probably contributed to the yield. I'd use a smal ... |
27-8-2019 at 16:32
by: DavidJR |
Can you use "somewhat activated" Nickel as a catalyst?
I'd guess it would work very slowly. Why not try it? |
27-8-2019 at 16:19
by: DavidJR |
fume hood airflow is cooling off hotplate
Face velocity is a terrible performance metric for fume hoods. It has very little correlation to the ... |
10-8-2019 at 10:37
by: DavidJR |
Sintered Funnel Clogged with Cr2O3
I'd try EDTA. |
8-8-2019 at 13:49
by: DavidJR |
Acetic anhydride storage and degrading
Maybe the cap wasn't sealing properly to prevent moisture ingress?
|
6-8-2019 at 11:27
by: DavidJR |
Fluorenone reduction
I don't think sodium borohydride is particularly expensive - sure, it's pricey per-gram, but if you ... |
4-8-2019 at 15:39
by: DavidJR |
Useful reference books in the lab
[rquote=619361&tid=152417&author=nimgoldman]
Other than that, I keep some tables around (ap ... |
1-8-2019 at 11:05
by: DavidJR |
Liquid Bromine Accident
It will probably fade with time as the bromine diffuses back out. I also wouldn't be surprised if th ... |
28-7-2019 at 08:22
by: DavidJR |
Diethyl Phthalate Acid Hydrolysis
I would advise using acid hydrolysis with HCl rather than base hydrolysis. I've tried both (albeit w ... |
25-7-2019 at 14:49
by: DavidJR |
Useful reference books in the lab
Purification of Laboratory Chemicals (W.L.F. Armarego) is one that I find incredibly useful to have ... |
25-7-2019 at 12:00
by: DavidJR |
Reusing instant cold packs > Development of green air conditioner
[rquote=618604&tid=152412&author=WGTR]Pyro, this sounds like the kind of project that you wo ... |
23-7-2019 at 12:11
by: DavidJR |
The most useful three things in my lab
I go through a fair number of 1ml/2ml/5ml/10ml syringes too! |
23-7-2019 at 11:55
by: DavidJR |
The most useful three things in my lab
1. A high quality, secondhand chemical-resistant diaphragm vacuum pump
2. Local exhaust ventilation ... |
22-7-2019 at 12:34
by: DavidJR |
Hydroquinone in the UK
Yes, I've come across this before when I used to sell pure hydroquinone on eBay (no, I don't have an ... |
22-7-2019 at 08:01
by: DavidJR |
Analytical Lab Testing?
[rquote=617997&tid=152053&author=Bmoore55]
https://www.mooreanalytical.com/
Most of the ... |
19-7-2019 at 11:47
by: DavidJR |
Analytical Lab Testing?
Nice, this would be very useful I am sure.
But more details are necessary.
Where are you based ... |
19-7-2019 at 11:34
by: DavidJR |
Methanesulfonyl azide as an antidote for hydrogen sulfide
This is interesting but I agree that it seems unwise to attempt to synthesise this.... |
3-7-2019 at 16:11
by: DavidJR |
How to wash very fine crystals?
For materials that are a pain in the ass to filter - avoid filtering!
Instead, you can often jus ... |
2-7-2019 at 17:11
by: DavidJR |
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