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Mystery Glassware Identification Thread
Sorry, I think theyre corning [they were obtained used both in a cardboard sleeve that said corning] ... |
24-10-2018 at 22:36
by: Elrik |
Mystery Glassware Identification Thread
All the vigreux columns I see just have the 'fingers', but these two distillation columns I found ha ... |
24-10-2018 at 09:11
by: Elrik |
cyclohexane+nitroethane azeotrope?
My books dont list cyclohexane either, the closest I have is the following:
Methylcyclopentane < ... |
24-10-2018 at 08:22
by: Elrik |
Preparation of nitroethane
I'll be needing some dioxane next year and so have been looking for uses for the byproduct acetaldeh ... |
23-10-2018 at 09:28
by: Elrik |
Denatured Ethanol: Mining the Dregs [without explosion]
To be clear, I never intended to distill the alcohol to dryness. Thats why I planned to add aqueous ... |
19-10-2018 at 11:24
by: Elrik |
Breaking the vacuum gently
Now thats a good point, I hadnt considered that I would often have a trap in line. I have a 1.5 litr ... |
19-10-2018 at 11:04
by: Elrik |
Breaking the vacuum gently
I'm gathering materials to upgrade to vacuum distillation. One thing I've observed on some peoples s ... |
17-10-2018 at 14:11
by: Elrik |
Test Tube Holder
[rquote=544313&tid=97305&author=Mr. Rogers]You're overthinking this maybe. A drill press an ... |
17-10-2018 at 13:54
by: Elrik |
Denatured Ethanol: Mining the Dregs [without explosion]
Exactly, I dont want to take chances. Thats why in my proposed method I included ferrous sulfate, as ... |
17-10-2018 at 13:39
by: Elrik |
Separating DMF from water
[rquote=544290&tid=98207&author=XeonTheMGPony][rquote=544258&tid=98207&author=clearl ... |
16-10-2018 at 22:57
by: Elrik |
Bad days in the lab or with glassware?
My last losses were a 250 ml beaker that jumped off a ring stand that got stuck to the bench somehow ... |
16-10-2018 at 21:12
by: Elrik |
Denatured Ethanol: Mining the Dregs [without explosion]
Yeah, I was expecting difficulty in getting full separation of the ethanol and isopropanol since, as ... |
16-10-2018 at 10:54
by: Elrik |
Denatured Ethanol: Mining the Dregs [without explosion]
I got an old and partially used drum of denatured ethanol and I want to separate some into its compo ... |
15-10-2018 at 13:50
by: Elrik |
Separating L-tryptophan/tryptamine from taurine
In that case, dual solvent crystallization. Heat the crystallizing solution up and add alcohol.
Eth ... |
10-10-2018 at 09:49
by: Elrik |
Separating L-tryptophan/tryptamine from taurine
Distilled water?
L-Tryptophan has a nice steep solubility curve going from 0.23g/l at 0° to 49.9 g ... |
8-10-2018 at 10:55
by: Elrik |
Chemistry Gardening
I do not regard illicit opioids as useful compounds. |
7-10-2018 at 20:34
by: Elrik |
2,2,4-trimethylpentane azeotropes with toluene or xylenes?
Well, its simple
Toluene is far less toxic than benzene, as well as cheaper.
Xylene is less volati ... |
7-10-2018 at 20:30
by: Elrik |
Tired of reporting spam
[rquote=541196&tid=16937&author=phlogiston]...Apparently they contain information that is us ... |
6-10-2018 at 20:56
by: Elrik |
Chemistry Gardening
Rhubarb is a good one. The root is also used as digestive medicine. Sugar beet greens could similarl ... |
6-10-2018 at 14:36
by: Elrik |
2,2,4-trimethylpentane azeotropes with toluene or xylenes?
I've been thinking through theoretical workups for future reactions and I got to a step where dual s ... |
6-10-2018 at 14:19
by: Elrik |
Chemistry Gardening
Its the time when I can start planning what will be in next years garden and I'm largely drawing a b ... |
5-10-2018 at 11:05
by: Elrik |
Mercury Sulfide Being Sold as Medicine for Children
[rquote=540848&tid=95329&author=unionised]...curcuma isn't red, so the one thing we can be f ... |
5-10-2018 at 10:03
by: Elrik |
Mercury Sulfide Being Sold as Medicine for Children
In responce to MrHomeScientist, in TCM hot doesnt mean hot, cold doesnt mean cold, blood doesnt mean ... |
2-10-2018 at 09:52
by: Elrik |
Mercury Sulfide Being Sold as Medicine for Children
The ebay page also calls it curcuma.
Turmeric is a commonly used medicine and ethnobotanical. It is ... |
2-10-2018 at 09:43
by: Elrik |
Help with azeotrope
n-Butanol [75%] & o-xylene azeotrope boils at 116.8°C, just 1° below n-butanol
[i]Azeotropi ... |
16-9-2018 at 09:32
by: Elrik |
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