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The insanity that is OHS
My chemistry education (elementary school, highschool) was theory-based only, there were only a few ... |
10-12-2020 at 22:04
by: outer_limits |
Safe disposal of KCN
Hydrogen cyanide has really low pKa, it can be released from cyanide solutions even by H2CO3 that is ... |
5-12-2020 at 08:12
by: outer_limits |
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 |
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