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On treasure hunt - not lucky this time
So last weekend me and friends vistited an old chemistry plant from the former GDR, about 100 km's o ... |
2-11-2015 at 06:46
by: Schleimsäure |
Concentration of HNO3 with H2SO4
[rquote=411411&tid=62930&author=macckone]Likely culprit for vacuum loss, the thermometer sea ... |
5-7-2015 at 08:39
by: Schleimsäure |
Concentration of HNO3 with H2SO4
[rquote=411410&tid=62930&author=Fulmen][rquote=411399&tid=62930&author=Schleimsäure ... |
5-7-2015 at 08:33
by: Schleimsäure |
Concentration of HNO3 with H2SO4
Yes, that's a possibility. But in the end I don't really know if this is the problem at all.
Here ... |
5-7-2015 at 07:29
by: Schleimsäure |
Concentration of HNO3 with H2SO4
[rquote=411389&tid=62930&author=Fulmen]Since it boiled around room temp with the reduced pre ... |
5-7-2015 at 06:15
by: Schleimsäure |
Concentration of HNO3 with H2SO4
[rquote=411388&tid=62930&author=hissingnoise][quote]But after 1 or 2 min or so a cloud of NO ... |
5-7-2015 at 06:03
by: Schleimsäure |
Concentration of HNO3 with H2SO4
Actually on versuchschemie a longtime reputable member uses this method with great success, meaning ... |
4-7-2015 at 16:30
by: Schleimsäure |
Concentration of HNO3 with H2SO4
Hallo,
so I wanted to make 99+% HNO3 by concentrating the 65% solution with conc. H2SO4.
I r ... |
4-7-2015 at 15:17
by: Schleimsäure |
Preparation of Acetanilide
Yesterday I tried the preparation of acetanilide.
On versuchschemie I found a synthesis without ... |
9-5-2015 at 11:40
by: Schleimsäure |
Poll: Which solvent smells the best?
Benzene definitely, has something "sci-fi/mysterious" Toluene is missing, can't describe. Too bad on ... |
30-4-2015 at 11:45
by: Schleimsäure |
Gluey mess won't quit in the flask
Thank you! So I don't necessarily have to use Chromic acid then. |
25-4-2015 at 13:35
by: Schleimsäure |
Gluey mess won't quit in the flask
[rquote=402795&tid=62223&author=Chemosynthesis]What does the "gluey mass" look like? White? ... |
25-4-2015 at 13:23
by: Schleimsäure |
Gluey mess won't quit in the flask
All clear. The whole clump just got off after some pushing with a glas rod. Chromo sulfuric acid is ... |
25-4-2015 at 13:18
by: Schleimsäure |
Gluey mess won't quit in the flask
So I decided to work up my methylated spirit a bit, because as it is the smell is a pain. It's not t ... |
25-4-2015 at 12:51
by: Schleimsäure |
Labware and chemicals for Belgium and Europe
[rquote=400999&tid=25499&author=Mush]Has anyone had experience with s3-chemicals.de?
Do A ... |
17-4-2015 at 01:28
by: Schleimsäure |
Silver sulfate
I'll try different routes, but by no way will convert the whole 250g. At last I found a good use in ... |
16-4-2015 at 07:02
by: Schleimsäure |
Silver sulfate
Now these are many roads. Will try first with small amounts like suggested. On versuchschemie.de som ... |
10-4-2015 at 13:33
by: Schleimsäure |
Chemicals aquisition
So I sent the final order list. Unfortunately he mistook PCL5 for P2O5. So I'll only get the P2O5 wh ... |
9-4-2015 at 15:17
by: Schleimsäure |
Silver sulfate
[rquote=400387&tid=62071&author=Praxichys]Convert half to the nitrate so you can include bot ... |
9-4-2015 at 14:59
by: Schleimsäure |
Silver sulfate
Well, thank you. Maybe I will give it a try.
Or I let it just sit in the shelf, bolstering the ch ... |
9-4-2015 at 09:49
by: Schleimsäure |
Silver sulfate
I got some 250g of reagent grade silver sulfate once in a deal. It's from the late 70's but looks as ... |
9-4-2015 at 08:12
by: Schleimsäure |
Reagents for Sale
Damn, I'm in Ireland over the weekend. Unfortunetaly no chemicals are allowed on passenger planes. |
19-2-2015 at 15:25
by: Schleimsäure |
Chemicals aquisition
[rquote=391621&tid=61514&author=macckone]Germany is going to restrict the 65% nitric acid at ... |
11-2-2015 at 12:45
by: Schleimsäure |
Chemicals aquisition
Thank you very much for the input.
To set the record straight, actually it is in Poland. I live n ... |
11-2-2015 at 09:55
by: Schleimsäure |
Chemicals aquisition
Hello,
looking to complete my hobby lab and have found a seller who sells also the more "advanced ... |
10-2-2015 at 14:24
by: Schleimsäure |
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