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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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