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Moisture-preserving desiccant for storing borax primary standard
A solution saturated with both salt and sugar will have even less water in that one saturated with o ... |
24-10-2022 at 10:20
by: unionised |
Accidentaly filled a beaker with "concrete"
You could do the maths.
Or you could take the view that someone might just use a huge excess, in or ... |
19-10-2022 at 13:57
by: unionised |
Accidentaly filled a beaker with "concrete"
Working outdoors is not a bad idea .
It's Autumn.
Why do you think a leaf is unexpected?
|
19-10-2022 at 12:07
by: unionised |
Vacuum filtration sucking fluid
Vacuum pumps are designed to suck fluids.
A fluid is something which will flow.
They are not desig ... |
16-10-2022 at 07:43
by: unionised |
Successful Chloroform Synthesis
[rquote=677565&tid=158939&author=Keras][rquote=677564&tid=158939&author=Fery]Mateo_s ... |
14-10-2022 at 02:50
by: unionised |
Balance repair
Accreditation agencies , very sensibly, say that if you have a balance that reads to a tenth of a mi ... |
12-10-2022 at 13:15
by: unionised |
Commercial for labs GAA
Dust; the glass from which the bottle is made, all sorts of things.
It's very difficult to mainta ... |
11-10-2022 at 14:01
by: unionised |
Chemicals used to corrode locks & gain entry ?
I came across this.
https://www.youtube.com/watch?v=E5yNLPW1XBU
It's interesting enough in its ... |
11-10-2022 at 13:51
by: unionised |
On The Synthesis of Nicotine
While waiting for busses, I have wondered how much nicotine could be extracted from cigarette ends.
... |
6-10-2022 at 00:20
by: unionised |
Substitute for gasoline with vegetable oil, turpentine and ethanol?
[rquote=677381&tid=158958&author=Texium]Last I checked, vegetable oil, turpentine, and ethan ... |
6-10-2022 at 00:18
by: unionised |
Grow insoluble selenite crystals
I realise it's not the same thing but the use of sulphamic acid reminds me that I made some nice cry ... |
5-10-2022 at 11:32
by: unionised |
Substitute for gasoline with vegetable oil, turpentine and ethanol?
If you are doing this with an old lawn mower to see if it works, that's fine. An interesting science ... |
5-10-2022 at 08:26
by: unionised |
Hydrochloric acid 32%
Reduction of Fe(III) to Fe(II) will remove the colour. |
3-10-2022 at 11:18
by: unionised |
Anyone experiment with glow-in-the-dark paint?
Does this help?
https://www.youtube.com/watch?v=E73GAOCfKeY
|
23-9-2022 at 04:46
by: unionised |
Silver recovery
[rquote=676866&tid=158917&author=j_sum1]Add a little HCl and see what happens.[/rquote]
The ... |
21-9-2022 at 00:44
by: unionised |
Need Help Fixing Separated Thermometer
[rquote=676818&tid=158914&author=Sulaiman]Heating worked for me but you have to be careful : ... |
20-9-2022 at 01:27
by: unionised |
Guanidine HCl to Guanidine Acetate
[rquote=676762&tid=158906&author=Organikum]
You mean if I activate a new Britta waterfilter ... |
17-9-2022 at 14:14
by: unionised |
Guanidine HCl to Guanidine Acetate
Lead acetate solution would be the "classic" option, but a bit toxic.
As you surmised, it's about ( ... |
16-9-2022 at 08:04
by: unionised |
Praseodymium(III)-potassium sulfate - PrK3(SO4)3
Pretty.
Does it fluoresce? |
11-9-2022 at 10:51
by: unionised |
Is there a realistic way of DIYing a small catalytic converter for combustion purposes?
Something like this?
http://www.sciencemadness.org/talk/viewthread.php?tid=84456 |
10-9-2022 at 13:23
by: unionised |
Making Iron from Sand
[rquote=676402&tid=158861&author=Yttrium2]
Is this for making steel?[/rquote]
It's compl ... |
4-9-2022 at 09:31
by: unionised |
Making Iron from Sand
[rquote=676371&tid=158861&author=j_sum1]Y
To answer your question, just look up the melting ... |
3-9-2022 at 02:18
by: unionised |
Essential oil
12% m/m
12%m/v or
12% v/v?
|
30-8-2022 at 14:27
by: unionised |
Essential oil
[rquote=676213&tid=158850&author=Yttrium2]12%
[Edited on 8/30/2022 by Yttrium2][/rquot ... |
30-8-2022 at 05:02
by: unionised |
Resolving power of TLC for R/S diastereomers?
Do you mean cis and trans isomers or do you mean R and S isomers?
You can, I guess separate mirror ... |
19-8-2022 at 03:58
by: unionised |
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