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How to wash very fine crystals?
by boiling the solution for prolonged amounts of time the particles coalesce in bigger particles, ma ... |
2-7-2019 at 05:47
by: Ubya |
keten lamp
The copper catalyses
the formation of ketene (ethenone) and methane.
(CH3)2C=O → H2 C=C=O ... |
29-6-2019 at 06:20
by: Ubya |
What do you guys use for a vacuum gauge?
at the moment i'm not using a vacuum gauge, simply because as it's already been said, good ones are ... |
28-6-2019 at 03:29
by: Ubya |
Fume Hood Construction
@CouchHatter pretty cool, and big! but what about that horizontal sash? never seen a fumehood using ... |
28-6-2019 at 03:18
by: Ubya |
Cobalt sulfate toxicity for environment
well, it's not the end of the world, heavy metals in the garden is not the best thing, but 3.5g of c ... |
27-6-2019 at 08:46
by: Ubya |
Free Chemicals in UK
crap, why does something like this never happen where i live?
UK members, you lucky bas****s |
27-6-2019 at 06:04
by: Ubya |
UNBELIEVABLY CHEAP microscopes
[rquote=616190&tid=151004&author=Sulaiman]Today ebay informed me that my second microscope o ... |
27-6-2019 at 01:46
by: Ubya |
Vacuum aspirator using DMSO
[rquote=616156&tid=151383&author=Keras]The reason I was asking is that I bought those [url=h ... |
26-6-2019 at 11:49
by: Ubya |
Cr(III) to dichromate
[rquote=616153&tid=151416&author=Keras]If you turn chromium III into chromium VI, you turn a ... |
26-6-2019 at 11:35
by: Ubya |
Filling old gas canisters
[rquote=616148&tid=151374&author=unionised]The big problem is the gas mixture you make in th ... |
26-6-2019 at 11:33
by: Ubya |
Filling old gas canisters
[rquote=616142&tid=151374&author=unionised]You may have missed out one or more steps there.
... |
26-6-2019 at 10:22
by: Ubya |
Filling old gas canisters
[rquote=616101&tid=151374&author=Terran][rquote=616093&tid=151374&author=Ubya][rquot ... |
25-6-2019 at 18:19
by: Ubya |
Filling old gas canisters
[rquote=616083&tid=151374&author=RogueRose]Maybe you could purge the cannisters with CO2, N2 ... |
25-6-2019 at 13:50
by: Ubya |
Vacuum aspirator using DMSO
[rquote=616073&tid=151383&author=walruslover69]diesel and Kerosene would probably make good ... |
25-6-2019 at 13:46
by: Ubya |
What opioids/opiates can be made 100% syntheticaly without poppies
[rquote=615974&tid=151355&author=RogueRose]
I'd like to explore the option of bio-enginee ... |
24-6-2019 at 06:36
by: Ubya |
C-H bond enthalpy in Benzene
110 kcal/mol for phenyl C-H and 112kcal/mol for vinyl C-H, pretty much the same.
Phenyl carbocation ... |
24-6-2019 at 06:22
by: Ubya |
Failure to make Chloroform - help
[rquote=615990&tid=151301&author=Keras][rquote=615973&tid=151301&author=Ubya][rquote ... |
24-6-2019 at 05:14
by: Ubya |
Failure to make Chloroform - help
[rquote=615934&tid=151301&author=Swinfi2]How best to dispose of chlorinated waste?[/rquote]
... |
24-6-2019 at 02:05
by: Ubya |
Dioxanes ? YOU MUST KNOW THESE INFO
the title is a bit clickbaity, the problem is not really about dioxanes, it's about a stuck ground g ... |
24-6-2019 at 01:46
by: Ubya |
Failure to make Chloroform - help
the surfactants clearly are the culprit. use bleach with no additives, and the more concentrated is ... |
23-6-2019 at 10:26
by: Ubya |
3A Zeolite
oh lucky me then, i won last week an auction for 500g of sieves from this seller for $8,59, if you s ... |
18-6-2019 at 15:03
by: Ubya |
Distillation of animal products?
just a question, when you say distillation you are referring to steam distillation right?
by the wa ... |
18-6-2019 at 14:57
by: Ubya |
Every Home’s Chemistry: Guide to Dissolving Copper Metal
But, purpose?
You dissolved some copper in solution together with many other ions, in what applicat ... |
16-6-2019 at 17:10
by: Ubya |
Purifying calcium/ammonium nitrate fertilizer, how to determine product?
He needs sulphuric acid, not copper sulphate |
16-6-2019 at 16:37
by: Ubya |
UNBELIEVABLY CHEAP microscopes
[rquote=615230&tid=151004&author=Herr Haber]Look at the feedback. It's clearly a scam  [/rq ... |
14-6-2019 at 22:16
by: Ubya |
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