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Homemade and Repurposed Lab Gear You could just run the gas through an immersed tube, or through a flask immersed in cold bath. I mig ... |
14-2-2021 at 01:43 by: Fyndium |
Mantle weak magnet issue fix? Breaking joints is one thing I'm worried about because of the teflon plug that expands when heated, ... |
14-2-2021 at 01:25 by: Fyndium |
Caution when bottling aerosol contents I suggest refluxing the extracted fluid in order to drive off majority of the butane/propane. It see ... |
13-2-2021 at 13:48 by: Fyndium |
Bad days in the lab or with glassware? I've been afraid of the tape because it could concentrate a lot of force on a small area and spreadi ... |
13-2-2021 at 00:54 by: Fyndium |
Decent vacuum pump Diaphragm pump is likely more resistant against chemicals than rotary vane oil pump. I've been using ... |
13-2-2021 at 00:51 by: Fyndium |
Bad days in the lab or with glassware? Yep, the liquid stuff that doesn't taste or smell anything and is used on wood, babies and other stu ... |
12-2-2021 at 15:37 by: Fyndium |
Delrin as paraformaldehyde source? Possibly if a catalyst is used with sufficient temp, it could form formaldehyde in situ. If the pyro ... |
12-2-2021 at 11:07 by: Fyndium |
Bad days in the lab or with glassware? I have used paraffin oil for my joints for a long now. It gets pretty thin in hot joints, but adding ... |
12-2-2021 at 11:03 by: Fyndium |
Mantle weak magnet issue fix? What complications overhead stirring can cause, except for having difficult time doing vacuum jobs? |
12-2-2021 at 10:44 by: Fyndium |
Delrin as paraformaldehyde source? Delrin can be readily purchased as bar or sheet stock for less than 10€/kg basically everywhere. W ... |
11-2-2021 at 14:12 by: Fyndium |
UK sulphuric acid You wanna concentrate sulfuric acid, buy a couple of cheap sacrificial flasks from china and blast t ... |
11-2-2021 at 11:34 by: Fyndium |
Delrin as paraformaldehyde source? Ah, this was that I read around somewhere. Thanks, but no thanks. HCl'd be bad anyway because it wou ... |
11-2-2021 at 11:21 by: Fyndium |
Mantle weak magnet issue fix? HDPE melts at 110-130C so for boiling water it'd do, but for any other use it will give up. Also, HD ... |
11-2-2021 at 11:10 by: Fyndium |
What to do with 1,4-dioxane tar Just got rid of some distillate char by collecting them when hot in a tin can and discarding it in t ... |
10-2-2021 at 23:41 by: Fyndium |
Making ice in winter to cool the house in summer Yep, storing ice over summer has a very long history, probably longer than what's written. The scale ... |
10-2-2021 at 23:39 by: Fyndium |
Can you store 95% sulfuric acid in HDPE for a long time? They store sulfuric acid almost exclusively in HDPE canisters. I've always got mine in them, even th ... |
10-2-2021 at 23:34 by: Fyndium |
Mantle weak magnet issue fix? Thanks, put one coming. |
10-2-2021 at 14:28 by: Fyndium |
Mantle weak magnet issue fix? My mantle might not actually be the culprit, but a chinese 2L flask that has been made slightly too ... |
10-2-2021 at 13:15 by: Fyndium |
Delrin as paraformaldehyde source? I got some delrin stock which I machined boss heads for myself, and got a vat-ful of chips and turni ... |
10-2-2021 at 11:35 by: Fyndium |
Does evaporation release ions into the air? Effervescence indeed carries over ions, as it's not gas that comes over, but aerosol particles, whic ... |
10-2-2021 at 11:25 by: Fyndium |
benzyl alcohol oxidation I might do a writeup, but sadly I don't have any pictures. I could, although, to the run again in cl ... |
10-2-2021 at 11:20 by: Fyndium |
Methyl Ethyl Ketone purification? Ah, my bad, didn't look thoroughly enough.
It appears that I might want to first fractionate the ... |
10-2-2021 at 05:28 by: Fyndium |
Methyl Ethyl Ketone purification? I couldn't find a good info on the matter, so how could MEK be purified most conveniently when it ha ... |
9-2-2021 at 13:31 by: Fyndium |
Anti bike theft agent File a patent for U lock that has core made of pressurized tube which contains a solution of denaton ... |
7-2-2021 at 09:11 by: Fyndium |
benzyl alcohol oxidation If anyone's interested, I could post detailed synthesis of BzH with HNO3. Did it a couple of times p ... |
7-2-2021 at 09:02 by: Fyndium |
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