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Respirator recommendations
Can you make your own fume hood? It really makes many things much more easy and safe. It can be buil ...
19-11-2020 at 23:14
by: outer_limits
Best Allround Gasmask for Laboratory use in the Year 2020 ?
But it's definitely better to do the job in non-properly manner using a mask
19-11-2020 at 12:10
by: outer_limits
Best Allround Gasmask for Laboratory use in the Year 2020 ?
It depends on a way how do you work. I keep my mask disassembled and packed - I use it rarely and I ...
18-11-2020 at 14:05
by: outer_limits
what can you do without lab glassware
You can make a "ghetto setup" and for example make a condenser from bottle having a tube running thr ...
12-11-2020 at 04:51
by: outer_limits
The disappearance of cheap ebay laboratory glassware
Chemland is legit shop, there are no catches there. Almost all of my glassware (and other stuff( was ...
11-11-2020 at 01:37
by: outer_limits
Do you know chemicals by their smell?
[rquote=648755&tid=156498&author=Cou]the most annoying thing about short-chain carboxylic ac ...
10-11-2020 at 01:14
by: outer_limits
Are there borders for "hazardous material" inside EU?
Different countries may have different laws regarding hazardous materials transport.
Delivery of ...
9-11-2020 at 06:47
by: outer_limits
Heavy metals and the non chemist- What could go wrong here...
[rquote=511327&tid=81346&author=Bert]
I shoot, reload cartridges and cast some of my own bu ...
8-11-2020 at 13:35
by: outer_limits
Do you know chemicals by their smell?
It's quite easy to recognize nitrogen oxide in exhaust fumes while walking near the road.
I had th ...
8-11-2020 at 13:29
by: outer_limits
Quality Glassware breaking Easy by Cold Air! How to Avoid this?
It seems that the quality is poor

[rquote=647889&tid=156438&author=LuckyWinner]
if cold ...
31-10-2020 at 12:05
by: outer_limits
Lab tips & tricks
[rquote=535528&tid=81777&author=macckone]
Fires: If you have a fire, you did something wron ...
26-10-2020 at 23:52
by: outer_limits
Acyl chlorides stability
How stable are acyl chlorides (acetyl, propionyl) in long term storage?

I know that they must be ...
26-10-2020 at 11:25
by: outer_limits
Should Knowledge Be Free?
I agree. I don't see why I should pay for academic research papers written in my country where acade ...
26-10-2020 at 00:07
by: outer_limits
What is generally legal or illegal in Germany/EU?
In case if it's not the honeypot, the police can get every information related to supplier's bank ac ...
24-10-2020 at 01:07
by: outer_limits
Distinguishing between KCl and NaCl
For qualitative analysis you can use HClO4.
Potassium perchlorate has poor solubility and will prec ...
16-10-2020 at 23:50
by: outer_limits
Bad days in the lab or with glassware?
My largest one went to shower drain with 300ml of strong NaOH solution. I'm almost sure that I could ...
9-10-2020 at 03:30
by: outer_limits
Question perhaps that cannot be answered regarding the http site vs https
Regarding Edge - I don't see anything hard to find

copy this into address bar
edge://settings/se ...
7-10-2020 at 01:36
by: outer_limits
Societal Issue around COVID (in my city anyway)
I agree, these are the modes of covid death.

But here it is a bit different situation than in US ...
2-10-2020 at 10:30
by: outer_limits
Societal Issue around COVID (in my city anyway)
There are hundred of thousands victims of COVID in my country and the number is still growing.

Th ...
1-10-2020 at 21:43
by: outer_limits
Drying Calcium Chloride Safely after soaked in Diethyl Ether?
I would leave it for a while in well ventilated area near ventilator blowing the air on it. Ether sh ...
5-9-2020 at 07:06
by: outer_limits
Copper bromide from copper sulphate
Finally, I made it. I had to synthesize HBr. Then I made CuO from CuSO4 by reacting it with KOH. Aft ...
5-9-2020 at 01:56
by: outer_limits
latest glassware purchase
That is a nice one. Out of curiosity - how much cost such a piece of glassware made on demand?
3-9-2020 at 03:06
by: outer_limits
Fume Hood Construction
Using this tube and blower you can make disposable hood by attaching thick foil and covering working ...
30-8-2020 at 03:06
by: outer_limits
Drying Acetone with Desiccant in Nylon Mesh Bags
https://www.sciencedirect.com/science/article/pii/B9780128054574500033
https://doi.org/10.1016/B978 ...
29-8-2020 at 21:30
by: outer_limits
European Sulfuric Acid Ban
I know at least one drain cleaner which is 96% H2SO4 according to product SDS which is available in ...
27-8-2020 at 14:54
by: outer_limits
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