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Question about university
In the US, an engineering degree is a bit different than in the Czech Republic. In the Czech Republi ... |
24-2-2024 at 09:08
by: Admagistr |
How hazardous is fluorine chemistry?
The fluoride anion binds the calcium cation Ca2+ and CaF2 is insoluble and the calcium bound in this ... |
14-2-2024 at 05:20
by: Admagistr |
Laboratory preparation of metallic beryllium on video!
I found this extremely interesting video yesterday, but it is in Russian, I used an automatic transl ... |
13-2-2024 at 13:42
by: Admagistr |
Preparation of Hydrogen Cyanide
[rquote=690477&tid=160124&author=Pok]As a German I have to say that it's absolutely true tha ... |
27-1-2024 at 16:21
by: Admagistr |
Preparation of Hydrogen Cyanide
Yeah, a lot of Ukrainians considered the Nazis to be the lesser of two evils- the Nazis talked about ... |
27-1-2024 at 15:56
by: Admagistr |
Preparation of Hydrogen Cyanide
[rquote=690474&tid=160124&author=kmno4]
Stepan Bandera is a hero in Ukraine, it is true.
B ... |
27-1-2024 at 13:54
by: Admagistr |
Preparation of Hydrogen Cyanide
[rquote=690431&tid=160124&author=Fery][rquote=690424&tid=160124&author=Admagistr]@Fe ... |
25-1-2024 at 11:54
by: Admagistr |
Preparation of Hydrogen Cyanide
@Fery: You did some rough experiments when you were in high school! I remember one of our Forum memb ... |
24-1-2024 at 21:56
by: Admagistr |
Why is rust more sensitive to acids than pure Fe2O3?
Fe2O3 prepared under heat has the structure of corundum - the alpha modification of Al2O3, which is ... |
24-1-2024 at 15:47
by: Admagistr |
Please allow me to introduce myself...
Hello, that's great news. Germany has often produced the best chemists. I look forward to your first ... |
23-1-2024 at 03:55
by: Admagistr |
Manganese Dioxide from Manganese Sulphate
I have successfully used the reaction with KMnO4,Na2SO3 and H2O. This produces MnO2,Na2SO4 and KOH. |
18-1-2024 at 16:18
by: Admagistr |
2023 Science Madness Secret Santa – The fun begins!
[rquote=690170&tid=159902&author=Texium]I actually just bought myself a bottle of Becherovka ... |
15-1-2024 at 00:45
by: Admagistr |
Iron (III) Sulfate (ferric sulfate) synthesis
I would not use Fe2O3 as a starting material for the preparation of Fe salts from aqueous acid solut ... |
14-1-2024 at 15:12
by: Admagistr |
Simple guide for analytical chemistry
[rquote=690148&tid=160107&author=Bedlasky]I haven't experiment with much of these rarer elem ... |
14-1-2024 at 07:17
by: Admagistr |
Simple guide for analytical chemistry
Hi that'super, great project! I would be interested in evidence of metal cations! Especially the les ... |
13-1-2024 at 21:18
by: Admagistr |
Amazon Water Destiller
[rquote=690132&tid=160102&author=Alkoholvergiftung]So only good for alcohols with low boilin ... |
13-1-2024 at 03:59
by: Admagistr |
Amazon Water Destiller
I didn't notice any solid deposits in the water after it evaporated, so the problem was only with vo ... |
12-1-2024 at 12:01
by: Admagistr |
Amazon Water Destiller
I have experience with a similar device, it is manufactured in Singapore. I distill water in it for ... |
12-1-2024 at 11:56
by: Admagistr |
Amazon Water Destiller
[rquote=690102&tid=160102&author=Alkoholvergiftung]Has someone experience with the cheap wat ... |
12-1-2024 at 10:28
by: Admagistr |
Recrystallisation question - help me design an experiment for junior students
@Bedlasky
Solubility of K2SO4 at 0 °C is 0,041 mol/100 ml H2O.
Solubility of Na2SO4.10H2O at ... |
6-1-2024 at 15:55
by: Admagistr |
Synthesis of calcium acetate from eggshells
Hi, nice work. You probably just used vinegar that's tinted brown. At least here in Europe, they sel ... |
6-1-2024 at 15:17
by: Admagistr |
Inorganic synthesis using Co2 laser.
[rquote=689746&tid=160063&author=Twospoons]I get the odd sense you are unfamiliar in working ... |
28-12-2023 at 15:19
by: Admagistr |
Inorganic synthesis using Co2 laser.
[rquote=689715&tid=160063&author=Twospoons]Quartz will not pass IR from a CO2 laser. Few mat ... |
27-12-2023 at 21:38
by: Admagistr |
Inorganic synthesis using Co2 laser.
@Twospoons
Good that you wrote something about safety, better to hear such things several times tha ... |
25-12-2023 at 22:33
by: Admagistr |
Zircon mineral processing,Zr,Hf,Th separation.
Thanks a lot for the advice! The concentrated H2SO4 looks good,I'll try it,possibly melting with KHS ... |
25-12-2023 at 07:54
by: Admagistr |
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