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sharing Awesome Chemical Pictures (Read first comment)
[rquote=615193&tid=146675&author=fusso]Black organic compound?Weird.[/rquote]
highly conjug ... |
14-6-2019 at 05:18
by: Ubya |
sharing Awesome Chemical Pictures (Read first comment)
[file]75938[/file]
AvB you are totally right, my bad.
ps can't edit my last post (can ... |
14-6-2019 at 05:11
by: Ubya |
UNBELIEVABLY CHEAP microscopes
[rquote=615179&tid=151004&author=Sulaiman]Ignoring for now the distinct probability that thi ... |
14-6-2019 at 03:16
by: Ubya |
sharing Awesome Chemical Pictures (Read first comment)
some tetraphenylcyclopentadienone made at uni
[file]75933[/file] |
13-6-2019 at 03:15
by: Ubya |
H2O2 as O2 source for propane/acetylene torch?
[rquote=615018&tid=150451&author=lordcookies24][rquote=615005&tid=150451&author=Sula ... |
12-6-2019 at 02:56
by: Ubya |
Motherboard RAM plastic, IDE plastic, PCI plastic
[rquote=614926&tid=150849&author=vmelkon][rquote=614889&tid=150849&author=Ubya]If yo ... |
11-6-2019 at 05:00
by: Ubya |
Highly concentrated NaOH solution in microwave → sodium fire?
if this happened after the solution started boiling maybe droplets formed by the boiling absorbed en ... |
11-6-2019 at 04:57
by: Ubya |
PH indicators.
a titration of strong acid/base works well with bromothymol blue, as the usual equivalence point (ph ... |
11-6-2019 at 03:41
by: Ubya |
Motherboard RAM plastic, IDE plastic, PCI plastic
[rquote=614637&tid=150849&author=vmelkon]Hello, I desoldiered some motherboards.
I placed t ... |
10-6-2019 at 10:09
by: Ubya |
Craiglist 100$ Glassware JACKPOT!!!! (Pics)
for just 100$ you are set for life |
10-6-2019 at 02:55
by: Ubya |
Reactive solvent for zinc galvanized coating
Use a solution of sodium hydroxide, it will dissolve zinc forming sodium zincate. Steel is going to ... |
9-6-2019 at 13:58
by: Ubya |
Recycled plastic - what happens to plastic that was degraded by UV?
[rquote=614813&tid=150891&author=RedDwarf]We have a tendency to think of a particular plasti ... |
9-6-2019 at 12:51
by: Ubya |
Recycled plastic - what happens to plastic that was degraded by UV?
i searched for "plastic uv degradation", the first link is wikipedia's page "UV degradation".
[qu ... |
9-6-2019 at 08:38
by: Ubya |
Capsaicin extraction and isolation
[rquote=614779&tid=5329&author=Tsjerk]No, but it extracts about anything except the cellulos ... |
9-6-2019 at 03:58
by: Ubya |
Capsaicin extraction and isolation
Last year I grew 2 plants of Carolina reaper just for this purpose, but I could only get 30-40 peppe ... |
8-6-2019 at 13:23
by: Ubya |
Recycled plastic - what happens to plastic that was degraded by UV?
From wikipedia:
[quote]
Common synthetic polymers that can be attacked include polypropylene and L ... |
8-6-2019 at 07:56
by: Ubya |
Making a dry-ice cold bath without dry ice :p
[rquote=614629&tid=150844&author=Keras]
Even if I could buy dry ice, where and how could ... |
6-6-2019 at 14:20
by: Ubya |
Making a dry-ice cold bath without dry ice :p
[rquote=614617&tid=150844&author=Keras]The usual way of cooling, say, acetone, to -76 °C ci ... |
6-6-2019 at 09:17
by: Ubya |
sharing Awesome Chemical Pictures (Read first comment)
[rquote=614354&tid=146675&author=woelen]That sample of uranyl nitrate is beautiful.
@Ubya ... |
5-6-2019 at 03:35
by: Ubya |
Stainless steel fell from the sky 400years before it was invented
[rquote=614276&tid=150703&author=draculic acid69]I also said it's like ss minus the chromium ... |
3-6-2019 at 02:40
by: Ubya |
sharing Awesome Chemical Pictures (Read first comment)
shouldn't uranyl nitrate be UO2 (NO3)2?
is that an uranium (IV) (with oxygen!?) nitrite?
i think y ... |
3-6-2019 at 02:11
by: Ubya |
Chlorine hydrate
i read it some days ago, it would be cool to see a picture of it, but i didn't find anything on the ... |
1-6-2019 at 03:58
by: Ubya |
Formalin chemistry
condensation with acetaldahyde gives pentaerythritol, that can be nitrated to PETN.
hexamine is mad ... |
1-6-2019 at 03:42
by: Ubya |
Diethyl ether from chloroethane and sodium ethoxide
[rquote=614045&tid=150639&author=Keras][rquote=614041&tid=150639&author=clearly_not_ ... |
31-5-2019 at 07:21
by: Ubya |
Tourist/sightseeing places related to chemistry
[rquote=614099&tid=150272&author=yobbo II]Alchemists gate, rome[/rquote]
Living in Rome a ... |
31-5-2019 at 07:10
by: Ubya |
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