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Silica gel mystery?
[rquote=637619&tid=155391&author=Pumukli]Congrats, Ubiya! Your work (the yellow and green li ... |
5-6-2020 at 07:56
by: Ubya |
Diaphragm pump + aspirator no B.P. change?
[rquote=637606&tid=155524&author=Opylation]Are diaphragm pumps supposed to be loud? It’s b ... |
5-6-2020 at 07:54
by: Ubya |
Silica gel mystery?
i dried it at 180°C because my toaster over has its max temperature at 180°C(i don't have a PID co ... |
4-6-2020 at 15:39
by: Ubya |
My new lab
well with potassium iodide alone not much i think, you could make some iodine, but you need hydrochl ... |
4-6-2020 at 08:18
by: Ubya |
Radioactive Minerals
i'm pretty happy with it.
i tested it against a few sources, i have an autunite sample, a few tungs ... |
4-6-2020 at 07:28
by: Ubya |
Pretty Pictures (2)
how are you going to separate the ThO2 from the tungsten? hydrogen peroxide digestion or another way ... |
3-6-2020 at 15:46
by: Ubya |
4A molecular sieves to remove H2O from EtOH???
you can use 4A to remove water vapour, but the pore size is not selective between ethanol and water. ... |
3-6-2020 at 15:44
by: Ubya |
Diaphragm pump + aspirator no B.P. change?
as a qulitative test, run the pump and put your thumb on the vacuum hose, feel the vacuum. now try w ... |
3-6-2020 at 15:37
by: Ubya |
Diaphragm pump + aspirator no B.P. change?
[rquote=637511&tid=155524&author=beerwiz]The water in the tank needs to be cold. The problem ... |
3-6-2020 at 14:22
by: Ubya |
Diaphragm pump + aspirator no B.P. change?
mh you should connect a piece of tubing (20-30cm) to the outlet of the aspirator, and then put the e ... |
3-6-2020 at 13:43
by: Ubya |
Diaphragm pump + aspirator no B.P. change?
can you post a picture of the setup? maybe we can figure something out |
3-6-2020 at 12:49
by: Ubya |
Diaphragm pump + aspirator no B.P. change?
[rquote=637502&tid=155524&author=Opylation]I’m running the system without vacuum right now ... |
3-6-2020 at 12:29
by: Ubya |
Diaphragm pump + aspirator no B.P. change?
well, it is strange, you said that you could not see any bubbles in the aspirator outlet, so it reac ... |
3-6-2020 at 12:25
by: Ubya |
Keeping Ammonium fluoride solution in a glass bottle
[rquote=637491&tid=155518&author=DavidJR][rquote=637473&tid=155518&author=Ubya]https ... |
3-6-2020 at 10:08
by: Ubya |
Keeping Ammonium fluoride solution in a glass bottle
https://www.youtube.com/watch?v=LRw5-WQERbM
there's a reason if it is used to etch glass, because ... |
3-6-2020 at 05:03
by: Ubya |
What requires a fume hood?
https://leroymerlin-res.cloudinary.com/v1/DAMEO/48437
i use this to protect my outlets while not ... |
3-6-2020 at 03:53
by: Ubya |
How long can I store ethyl bromide in a mason jar at room temperature?
[quote]
the best PPE I can get is doing this outdoors, respirator, gloves, and a big fan[/quote]
... |
2-6-2020 at 16:37
by: Ubya |
Space for a lab?
oh well a fume hood of some sort is pretty much mandatory for some experiments, if you don't want to ... |
1-6-2020 at 06:55
by: Ubya |
Space for a lab?
i live in a 47m^2 (500ft^2 according too google) apartment on the last floor of my building, my pare ... |
1-6-2020 at 04:54
by: Ubya |
Benzoin condensation using hydrogen cyanide?
[rquote=637285&tid=155502&author=karlos³]Just use thiamine instead, it substitutes the cyan ... |
1-6-2020 at 02:40
by: Ubya |
Silica gel mystery?
[rquote=637263&tid=155391&author=Bmoore55]This is fantastic! I have been wanting to try this ... |
31-5-2020 at 15:55
by: Ubya |
Silica gel mystery?
[rquote=637259&tid=155391&author=Refinery]The catalyst requires mildly acidic anhydrous cond ... |
31-5-2020 at 13:54
by: Ubya |
Silica gel mystery?
[file]81339[/file]
using my little diy crappy VIS-NIR spectrophotometer i took spectrum of ... |
31-5-2020 at 09:51
by: Ubya |
Update
i finally tested my silica gel powder.
i took a piece of lettuce leaf, i ground it in a mortar wi ... |
31-5-2020 at 08:45
by: Ubya |
Aquiring grinding material for a ball mill
well first of all, what do you want to mill?
most grinding media is not good for everything.
for ... |
31-5-2020 at 06:21
by: Ubya |
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