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Removing trace impurities from H2O2
I'm under impression H2O2 can be safely vacuum distilled to a high concentration. |
3-9-2020 at 06:27
by: Fyndium |
How dangerous are vacuum distillations really?
I might consider distilling a small amount at first because I need it as a catalyst in mL quantity i ... |
2-9-2020 at 11:14
by: Fyndium |
Boiling Stones?
I indeed posted about this on another topic, but for the record, activated carbon granules have work ... |
2-9-2020 at 11:04
by: Fyndium |
Book review...of sorts!
So, when did they start making retorts, flasks etc from glass? |
1-9-2020 at 23:17
by: Fyndium |
salting out
According to https://doi.org/10.1021/ac60333a023 CaCl2 at 31.8g per 100g of solution or 4.2M should ... |
1-9-2020 at 12:26
by: Fyndium |
How dangerous are vacuum distillations really?
I was thinking of vacuum distilling sulfuric acid. It's bp would come down to about 170C with my pum ... |
31-8-2020 at 23:13
by: Fyndium |
Drying Acetone with Desiccant in Nylon Mesh Bags
I was always under impression that acetone cannot be salted out. It's good to learn new things every ... |
31-8-2020 at 23:04
by: Fyndium |
Dry Glass with Heatgun ?
[rquote=643933&tid=156109&author=Metacelsus]If it's borosilicate I wouldn't worry about brea ... |
31-8-2020 at 11:52
by: Fyndium |
How dangerous are vacuum distillations really?
Are larger glassware generally more prone to implosion than smaller ones? I've usually used my small ... |
31-8-2020 at 11:49
by: Fyndium |
Drying Acetone with Desiccant in Nylon Mesh Bags
I've distilled acetone a few too many times in recent weeks. I've got a question regarding it's dist ... |
31-8-2020 at 11:33
by: Fyndium |
How fast does Diethyl Ether form Peroxides? Reuse Ether Indefinitely
I have 7 years old aluminum bottles of ether and I just recently used it for extraction. All commerc ... |
31-8-2020 at 11:16
by: Fyndium |
Problem boiling down sulfuric acid
FYI, I concentrated sulfuric acid today. I used a teaspoon of activated carbon granules as boiling s ... |
30-8-2020 at 07:04
by: Fyndium |
Oxidation of styrene to phenylacetaldehyde
It seems that in every patent concerns the proneness to polymerization both the oxide and the aldehy ... |
30-8-2020 at 03:11
by: Fyndium |
Oxidation of styrene to phenylacetaldehyde
Not at all burnt, just sulfur dioxide smell. You know it when it burns your throat and irritates you ... |
29-8-2020 at 13:05
by: Fyndium |
Oxidation of styrene to phenylacetaldehyde
I wonder what went wrong.
I attempted an adduct purification of the aldehyde and prepared it acco ... |
29-8-2020 at 11:30
by: Fyndium |
adjustable mini stove + additional questions
There are trail cookers made of aluminum that weight 500 grams and work with propane. I actually use ... |
23-8-2020 at 11:49
by: Fyndium |
Drying Chems without desiccator
Someone mentioned CaCl2 absorbs also ethanol and acetone. Does this apply and can it be used to dry ... |
23-8-2020 at 05:11
by: Fyndium |
NH₃
I made a liter of NH3 by this way. I made it in two phases, first a test run and then I concentrated ... |
21-8-2020 at 12:03
by: Fyndium |
Leaking desiccator
I should see into it. If it is leaking from there, I consider just putting some silicone caulk into ... |
21-8-2020 at 00:34
by: Fyndium |
Methanol from Acteone
Generally in European zone methanol is phased out from consumer use due to issues regarding substitu ... |
21-8-2020 at 00:27
by: Fyndium |
Leaking desiccator
My Nanshin desiccator appears to be leaking somewhere, but I'm not able to determine where. I grease ... |
18-8-2020 at 13:19
by: Fyndium |
Testing a fume hood?
The negative pressure from suction makes leaks only flow into the cabinet. |
18-8-2020 at 05:40
by: Fyndium |
Testing a fume hood?
Sounds a bit complex. I think you should actually feel by hand the air flowing. Even just using a ma ... |
17-8-2020 at 23:48
by: Fyndium |
Ethanol Distillation
[rquote=643262&tid=156044&author=karlos³]I almost never, especially not for the last years, ... |
17-8-2020 at 23:27
by: Fyndium |
Ethanol Distillation
I've found activated carbon a decent anti bump agent. Inert to mostly everything, perhaps excluding ... |
17-8-2020 at 12:00
by: Fyndium |
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