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Drying dichloromethane with magnesium sulphate?
Can I dry dichloromethane with magnesium sulphate ? I've seen calcium hydride is used and molecular ...
9-1-2018 at 16:30
by: LD5050
Decarboxylation of amino acids (phenylalanine, tryptophan) in various solvents
35.9g of tryptophan was added to a 500ml RBF attached to a reflux condenser. I then added 120ml of t ...
7-1-2018 at 10:16
by: LD5050
Micro scale glassware, where can I buy?
I'm actually in the US if you're willing to ship here I might be interested. I'm not sure if your lo ...
2-1-2018 at 06:25
by: LD5050
Micro scale glassware, where can I buy?
I'm looking for a micro scale distillation set that works with 3ml-20ml amounts. I think they use th ...
1-1-2018 at 18:01
by: LD5050
Anyone want to swap chemistry stuff?
I'm always looking for glass ware, maybe a nice hot plate or heating mantle, and always looking for ...
13-11-2017 at 11:50
by: LD5050
difficult soldering job
I don't know much about this but look in fluorocarbons FC40 in particular. Supposedly if you put thi ...
9-11-2017 at 05:18
by: LD5050
Breathing under liquid!? Fluorinert/FC40
I guess they can live and breath in this liquid for a couple days. After they come out of the liquid ...
9-11-2017 at 05:09
by: LD5050
Breathing under liquid!? Fluorinert/FC40
I came across a video on YouTube https://m.youtube.com/watch?v=a4gYv2BK-HQ
Where they talk about a ...
8-11-2017 at 13:11
by: LD5050
40% formaldehyde solution from paraformaldehyde?
[rquote=494091&tid=77411&author=JJay]Wikipedia says so you would use 37 grams of paraformald ...
5-11-2017 at 11:41
by: LD5050
Chemistry anylizer? -Siemens Dimension RxL Max
Ok thanks for the info, so In other words it's pretty much useless for me. Are they worth money or a ...
25-10-2017 at 09:35
by: LD5050
Chemistry anylizer? -Siemens Dimension RxL Max
Yes so there is actually two machines they are giving away the other one is another name brand I'll ...
25-10-2017 at 04:40
by: LD5050
Chemistry anylizer? -Siemens Dimension RxL Max
Can anybody tell me what this machine exactly does? I found some one giving it away for free because ...
24-10-2017 at 20:03
by: LD5050
Unfreezing glass joints?
So I tried using wd-40 letting it sit for a few days heating etc. and I still couldn't get it to bud ...
16-10-2017 at 18:11
by: LD5050
Unfreezing glass joints?
Awesome thank you chemetix only thing is I don't have any w-d40 so my next question is how do I synt ...
9-10-2017 at 16:04
by: LD5050
Unfreezing glass joints?
I have a problem, the glass thermometer adaptor is now stuck to my glass distillation head adaptor a ...
9-10-2017 at 14:18
by: LD5050
40% formaldehyde solution from paraformaldehyde?
Thanks JJay but if I remember right I think in order for the paraformaldehyde to dissolve you need t ...
9-10-2017 at 13:11
by: LD5050
40% formaldehyde solution from paraformaldehyde?
I need a 40% formaldehyde solution but I only have paraformaldehyde, how could I make the formaldehy ...
9-10-2017 at 09:21
by: LD5050
Decarboxylation of amino acids (phenylalanine, tryptophan) in various solvents
[rquote=493418&tid=74727&author=Melgar]You need spearmint oil, not peppermint oil. Peppermi ...
2-10-2017 at 17:00
by: LD5050
Decarboxylation of amino acids (phenylalanine, tryptophan) in various solvents
Would DMF be a good choice of solvent to decarboxilate tryptophan with? I was thinking of using DMF ...
2-10-2017 at 11:22
by: LD5050
Preventing foam formation-steam distillation?
I'm in the process of steam distilling cinnamon bark and collecting the cinnamon oil. The problem is ...
16-9-2017 at 16:29
by: LD5050
in which way could diamond powder/dust be turned solid
Just curious but exactly what are the temps and pressures needed?
13-8-2017 at 06:52
by: LD5050
OTC glacial acetic acid need help
No karlos I did not throw away the now unknown mixture that I have but it is only a tiny amount and ...
2-8-2017 at 13:33
by: LD5050
OTC glacial acetic acid need help
[rquote=489404&tid=75811&author=karlosĀ³]Yeah you should really learn to proper calculate st ...
2-8-2017 at 07:43
by: LD5050
OTC glacial acetic acid need help
I'm sorry I meant I added more acetic anhydride*****
1-8-2017 at 16:48
by: LD5050
OTC glacial acetic acid need help
Karlos, I tried making the GAA from acetic anhydride. I used the amounts you provided and after mixi ...
1-8-2017 at 15:51
by: LD5050
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