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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
Volumetric Measurement - Reading graduated cylidenders
Not really, but maybe it depends on the supplier.

For example, I bought this one as 1000ml and th ...
25-8-2020 at 22:53
by: outer_limits
Volumetric Measurement - Reading graduated cylidenders
As you can see below the cylinder's scale +-1.0, the first one has tolerance up to 1.0ml and the sec ...
25-8-2020 at 21:28
by: outer_limits
Latest chemical order?
This week:
- 80 TLC plates
- 50 keck clips from ebay (in "normal" online shops they are 4-6 time ...
19-8-2020 at 10:02
by: outer_limits
Testing a fume hood?
[rquote=643307&tid=156039&author=Fyndium]The negative pressure from suction makes leaks only ...
18-8-2020 at 08:07
by: outer_limits
Testing a fume hood?
Checking the airflow is one thing.
The other is to be sure that there are no leaks.
18-8-2020 at 00:18
by: outer_limits
Distilling esters with very high boiling points?
[quote]
6: vacuum distill (the round bottom flask needs to be big to avoid splashing liquid spillin ...
17-8-2020 at 20:54
by: outer_limits
Copper bromide from copper sulphate
That's right, Hbr + CuO is way to go.

Anyway, it was a nice small experiment
14-8-2020 at 02:47
by: outer_limits
Copper bromide from copper sulphate
It seems that it failed and I get a complex instead of pure CuBr2.

I've checked the solubility by ...
14-8-2020 at 02:01
by: outer_limits
A word to amateur chemists
[rquote=643015&tid=156020&author=fdnjj6] fuck all of you[/rquote]

Have a nice day too :)
14-8-2020 at 00:30
by: outer_limits
A word to amateur chemists
[rquote=643010&tid=156020&author=outer_limits]
I am almost sure what are the answers there. ...
14-8-2020 at 00:11
by: outer_limits
A word to amateur chemists
So there is also a thread on reddit?

I am almost sure what are the answers there... :D
13-8-2020 at 23:57
by: outer_limits
Distilling esters with very high boiling points?
1-butanol has boiling point at 118 C. Evaporate it, there is no need to heat the mixture to 300 C
13-8-2020 at 13:46
by: outer_limits
Copper bromide from copper sulphate
This is the product yielded from extraction

[file]82739[/file]


[rquote=642956&tid=15602 ...
13-8-2020 at 12:16
by: outer_limits
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