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Theory of spinning band distillation
Has this technology advanced since? Are there available models that could suit a tabletop use? Has a ... |
16-9-2020 at 00:04
by: Fyndium |
How analytical grade chemicals are made?
My local el cheapo hobby lobby sells 100% acetone for 6€ a liter. I bet the Sigma guys are jelly.
... |
15-9-2020 at 14:44
by: Fyndium |
Purification of Toluene
Barometric pressure gets me every time when I begin to suspect everything what I do when a distillat ... |
15-9-2020 at 13:58
by: Fyndium |
How analytical grade chemicals are made?
I just unsealed a bottle of methanol that is rated as analytical grade which I bought a long time ag ... |
15-9-2020 at 13:20
by: Fyndium |
Vacuum aspirator using DMSO
https://www.ebay.com/itm/220V-Portable-Double-Stage-Rotary-vane-Vacuum-Pump-1-8CFM-Air-Conditioner-1 ... |
15-9-2020 at 13:09
by: Fyndium |
Sulfuric acid distillation: heating routes?
Nice, it gives 8C as water BP at 32mbar. The .pl site gives 26C.
Since (afaik) it is cheapest way ... |
15-9-2020 at 10:44
by: Fyndium |
Sulfuric acid distillation: heating routes?
What calculator/table do you use to determine boiling point? I got mine from here:
http://www.tri ... |
15-9-2020 at 05:41
by: Fyndium |
Sulfuric acid distillation: heating routes?
Ok, I attempted to distill sulfuric acid. I used avocado oil up to 220C with some smoking, but the a ... |
14-9-2020 at 12:08
by: Fyndium |
Sulfuric acid distillation: heating routes?
I was planning on distilling sulfuric acid under aspirator vacuum. At maximum theoretic aspirator va ... |
14-9-2020 at 01:09
by: Fyndium |
Paraffin heating bath heat source?
Liquid paraffin sold for wood treatment, skin, laxative etc is not that bad for lower temps, I teste ... |
13-9-2020 at 12:42
by: Fyndium |
Suggestions for high temp oil bath?
Smoking is an issue at my workplace because I work indoors and have only activated carbon scrubber i ... |
13-9-2020 at 10:59
by: Fyndium |
Suggestions for high temp oil bath?
I'm not that keen into making equipment myself when I want high quality and reliable systems and it' ... |
13-9-2020 at 08:43
by: Fyndium |
Suggestions for high temp oil bath?
I was just looking for a one. Considered ordering a MESE mantle but after seeing negative rant about ... |
12-9-2020 at 05:04
by: Fyndium |
Suggestions for high temp oil bath?
I happened to waste a load of money into silicone oil, which is quite watery and it starts smoking p ... |
11-9-2020 at 09:49
by: Fyndium |
Preparation of cyanides
http://www.sciencemadness.org/smwiki/index.php/Sodium_cyanide
Few questions:
- Doesn't the rea ... |
9-9-2020 at 11:24
by: Fyndium |
salting out
Afaik acetic acid per se cannot be salted out, at least with any economical means.
But it can be ... |
9-9-2020 at 09:26
by: Fyndium |
Paraffin heating bath heat source?
I got some candles lying around that were "paraffin and vegetable wax" and I melted them and the mel ... |
8-9-2020 at 10:05
by: Fyndium |
Paraffin heating bath heat source?
I'm currently using induction plate as heater, but I'm worried if the plate can handle +200C temp ve ... |
8-9-2020 at 03:12
by: Fyndium |
Bubbles in condenser water
Few drops of ordinary dishwashing liquid soap appears to get rid of the bubbles. Just tested it out. |
7-9-2020 at 14:03
by: Fyndium |
Drying Acetone with Desiccant in Nylon Mesh Bags
I tried to dry IPA with MgSO4 anhydrite a time ago, and it just clumped and clumped, and finally I g ... |
7-9-2020 at 12:27
by: Fyndium |
Preparing CaO from carbonate or hydroxide?
Options for every situation applies, and it's good to point them out. I'm lucky to have access to hi ... |
7-9-2020 at 07:18
by: Fyndium |
Preparing CaO from carbonate or hydroxide?
Which would be better feedstock for Ca oxide, carbonate or hydroxide? Both are apparently available ... |
6-9-2020 at 05:49
by: Fyndium |
Potassium Cyanide conservation
I mix my cyanide with boiling sulfuric acid and store the resulting gas in large party balloons for ... |
6-9-2020 at 00:08
by: Fyndium |
Drying Calcium Chloride Safely after soaked in Diethyl Ether?
When I dried CaCl2 flakes, I just blasted them at full power at 300C my oven max. They did not chang ... |
5-9-2020 at 10:52
by: Fyndium |
salting out
A test to confirm NaCl salting out.
47mL of store grade acetone was added into a cylinder with 46 ... |
3-9-2020 at 22:10
by: Fyndium |
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