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Reverse osmosis through shirt fabric? The idea behind osmosis is a bit different and a bit more complicated than only pore size.
Osmosi ... |
25-2-2020 at 02:23 by: Tsjerk |
Deprotection of N-benzyl piperidine compound Strange.. Do you have some compound you can test the Pd on? |
25-2-2020 at 00:58 by: Tsjerk |
Lead distillation [rquote=631541&tid=154913&author=unionised]It's perfectly possible to make low-background st ... |
24-2-2020 at 08:12 by: Tsjerk |
Lead distillation I really hope [url=https://www.theguardian.com/world/ng-interactive/2017/nov/03/worlds-biggest-grave ... |
24-2-2020 at 06:30 by: Tsjerk |
Deprotection of N-benzyl piperidine compound You never mentioned that N-phenethyl-4-piperidone is restricted in your area. You neither mentioned ... |
24-2-2020 at 06:16 by: Tsjerk |
Deprotection of N-benzyl piperidine compound Why don't you protect the piperidone directly with 2-phenyl ethylbromide? Then you don't have to dep ... |
24-2-2020 at 02:58 by: Tsjerk |
My piperine extraction setup without soxhlet extractor Nice work! How does your extract look? What color and is it crystalline? Did you use black pepper? |
24-2-2020 at 02:32 by: Tsjerk |
Speeding up Al+MnCl2 reaction A drop of HCl could help |
23-2-2020 at 08:51 by: Tsjerk |
Fusion breakthrough claimed [rquote=631478&tid=154920&author=fusso][rquote=631476&tid=154920&author=j_sum1]I loo ... |
23-2-2020 at 07:50 by: Tsjerk |
Secondary/booster synthesis Please be careful with melting ETN. First of all there is no need to melt, second molten ETN is as s ... |
23-2-2020 at 04:59 by: Tsjerk |
RBF heating blocks for hot plates Liquid Gallium is a PITA, I have a sample that once liquefied during the summer, the plastic contain ... |
23-2-2020 at 03:24 by: Tsjerk |
ETN(X) with NHN Plastic The problem with energetics is that one failure will cost you a limb. Or two. The way you hold the 8 ... |
22-2-2020 at 06:41 by: Tsjerk |
Lead distillation Better oxidize the lead into solution and reduce it back into metal on a electrode. Cheaper and easi ... |
22-2-2020 at 05:18 by: Tsjerk |
Dean Stark without Dean Stark.... almost quantitative I'm pretty sure this can be applied to other reactions which ask for a Dean Stark. It should at leas ... |
22-2-2020 at 05:07 by: Tsjerk |
Dean Stark without Dean Stark.... almost quantitative I tried to use a Dean Stark preparation to prepare the diketal of cyclopentanone with ethylene glyco ... |
22-2-2020 at 04:22 by: Tsjerk |
is there any way to make antimony trioxide from antimony solutions Yes, I suggest you utfse.
Google: antimony oxide preperation.
First hit. |
21-2-2020 at 07:27 by: Tsjerk |
Methods for preventing over addition of Grignard reagent How do you prepare the Grignard? With turnings it is already hard to reflux all ether sometimes. |
21-2-2020 at 03:59 by: Tsjerk |
ethyl hexanoate - pineapple ester What is the % yield? I'm interested because you do specify the 3x molar excess. |
20-2-2020 at 10:59 by: Tsjerk |
Cubane; Dimethyl Cubane-1,4-dicarboxylate synthesis The black tar was separated with the sulfuric acid layer before I added EG and cyclopentanone. After ... |
17-2-2020 at 04:26 by: Tsjerk |
Cubane; Dimethyl Cubane-1,4-dicarboxylate synthesis Thank you for the reaction! Did you run the tosylic acid preparation yourself with pure toluene? I w ... |
16-2-2020 at 12:16 by: Tsjerk |
Everyday Chemistry Does anyone have data about the temperature where CaCl2 starts to lose methanol / ethanol as adduct? ... |
15-2-2020 at 22:22 by: Tsjerk |
Cubane; Dimethyl Cubane-1,4-dicarboxylate synthesis [rquote=631111&tid=154884&author=Dr.Bob]For most cases of the first step, you could simply s ... |
15-2-2020 at 22:08 by: Tsjerk |
Everyday Chemistry Nice synth! I just saw the monohydrate of CaCl2 only loses water at 260 degrees and the dihydrate at ... |
15-2-2020 at 11:49 by: Tsjerk |
Make Potassium (from versuchschemie.de) A catalyst boiling well below the reaction temperature in a liquid reaction is probably not a very g ... |
15-2-2020 at 10:07 by: Tsjerk |
Cubane; Dimethyl Cubane-1,4-dicarboxylate synthesis The next step is the bromination of the diketal with 1,4-dioxane.Br2. I'm looking forward to receive ... |
15-2-2020 at 04:35 by: Tsjerk |
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