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Chemical demonstration: accurate wind direction detection with tert-butanol
I did a few experiments with GAA but it doesn't form needle-like crystals in those conditions.

Al ...
8-12-2021 at 14:55
by: teodor
Drying Acetic Acid?
Fery, thanks for the information. It proofs that my experiment results were right. But as you said, ...
8-12-2021 at 11:04
by: teodor
WARNING: Explosive reaction between pool chlorine chemicals
Benzene solution of NCl3 is "somehow stable in the dark" as some sources do mention, but that means ...
8-12-2021 at 08:37
by: teodor
Drying Acetic Acid?
[rquote=668308&tid=65803&author=Fery]Crystallization in common is much more powerful method ...
8-12-2021 at 08:06
by: teodor
Drying Acetic Acid?
[rquote=668303&tid=65803&author=garphield]Could you just add some sulfuric acid to the wet a ...
8-12-2021 at 07:34
by: teodor
WARNING: Explosive reaction between pool chlorine chemicals
Bedlasky, I really wanted to write "complex or adduct" but I forget the second word, thank you. Yes, ...
8-12-2021 at 04:56
by: teodor
WARNING: Explosive reaction between pool chlorine chemicals
NCl3 should be an interesting compound. Alas, it has explosive properties. I am wondering, is it pos ...
8-12-2021 at 04:17
by: teodor
Drying Acetic Acid?
Fery, I tested the acid I've purified by distillation through my column and it has a temperature of ...
7-12-2021 at 12:04
by: teodor
Small scale production of H2SO4 in the amateur lab
AJKOER, I was wondering where you are. It's nice to see you again.

According to SM wiki:

"Sulf ...
7-12-2021 at 06:20
by: teodor
Drying Acetic Acid?
[rquote=668259&tid=65803&author=Fery]but all bottles with commercial acetic acid I tried alw ...
7-12-2021 at 04:07
by: teodor
Drying Acetic Acid?
Sodium acetate is a trihydrate. I think that drying sodium acetate and sulfuric acid is not so trivi ...
7-12-2021 at 02:11
by: teodor
Drying Acetic Acid?
Hi SWIM.

Yes, I am doing it mainly to understand fraction distillation. I think it is a very imp ...
6-12-2021 at 03:21
by: teodor
Chemical demonstration: accurate wind direction detection with tert-butanol
I think this could be a nice mixed chemical/physical demonstration for children of all ages.

On S ...
6-12-2021 at 02:29
by: teodor
Which formula do you use to correct boiling point depending on the atmospheric pressure
I am doing several experiments with simple (Fischer) esterification and I noticed that today my wate ...
1-12-2021 at 04:11
by: teodor
Fume hood ventilation. Need advice.
Mixe, start trying. I don't think nitric acid fumes can create explosive residue in your ventilation ...
1-12-2021 at 03:21
by: teodor
Fume hood ventilation. Need advice.
Mixe, I think you overcomplicating it.

Surely, all metal parts are corroded by acid fumes but it ...
29-11-2021 at 15:08
by: teodor
Drying Acetic Acid?
Hi Fery.

I use 14/23 and 29/32, depending on the scale (the volume of the liquid). My Widmer colu ...
25-11-2021 at 11:17
by: teodor
Drying Acetic Acid?
[rquote=667720&tid=65803&author=Fery]
Anyway the column distillation is very good skill in ...
24-11-2021 at 12:04
by: teodor
Drying Acetic Acid?
I'm doing experiments with drying acetic acid just now. I found a useful article:
https://www.rese ...
24-11-2021 at 02:38
by: teodor
Glassware cleaning routine
I use Dimroth horizontally, it is very efficient for distillation at atmospheric pressure. Yes, it c ...
15-11-2021 at 04:10
by: teodor
Remarkable reaction with MoO3, producing vapor of molybdenum compound
I am curious, could also SbCl5 be used in those reactions?
9-11-2021 at 00:30
by: teodor
Small scale production of H2SO4 in the amateur lab
I believe O3 can also contaminate the product with persulfuric acid.

Could PbO2 be used for sulfu ...
30-10-2021 at 04:41
by: teodor
Small scale production of H2SO4 in the amateur lab
I also have an idea to compare p-toluenesulphonic acid vs H2SO4/HCl for ester synthesis. I plan 3 ex ...
29-10-2021 at 01:19
by: teodor
Diluting 90+% Nitric Acid to 70%?
Storing 90%+ (e.g. 98%) nitric acid is not easy. I use a Duran Protect bottle with a red Teflon-line ...
21-10-2021 at 03:17
by: teodor
A Beginner Microscope
In my school time, I used this microscope. It is made in USSR. It has 2 objectives 8x and 20x and zo ...
21-10-2021 at 02:03
by: teodor
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