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Analytical Lab Testing?
we are very interested as many of us can afford the money or the space to have all the instruments n ... |
19-7-2019 at 10:01
by: Ubya |
Tour My Lab
that's a good looking (drying) rack you got there 
ps what's in the safe?  |
19-7-2019 at 08:12
by: Ubya |
Heating mantle blew up WTF!!!!!
[rquote=617957&tid=152050&author=draculic acid69]It was the 2nd time I've ever plugged it i ... |
19-7-2019 at 07:59
by: Ubya |
Strange behaviour of Na2S in a water solution
[rquote=617738&tid=151911&author=AJKOER]
Now, the case of no transition metal impurities ... |
18-7-2019 at 02:54
by: Ubya |
production of hydrochloric acid via 'underwater fireworks'
[rquote=617615&tid=151898&author=rockyit98]
but under UV light
Cl2(aq) + H2O ---(UV)---&g ... |
14-7-2019 at 06:18
by: Ubya |
Removing oil residues: ethanol vs. isopropanol
ethanol is more polar, but now by very much, so in theory IPA should be better to remove oils |
13-7-2019 at 09:19
by: Ubya |
Uranium powder found among other oddities in OK traffic stop
[rquote=617521&tid=151855&author=Vosoryx]
"If an Oklahoma bum can get uranium imagine what ... |
12-7-2019 at 12:16
by: Ubya |
Hydrochloric acid impurities, where do they come from?
wikipedia says that there are various routes, one is the direct reaction of hydrogen and chlorine (m ... |
12-7-2019 at 07:21
by: Ubya |
Vacuum Oven vs Kiln for Molecular Sieve Drying
[rquote=617348&tid=151799&author=nimgoldman]
I am also thinking about some makeshit solut ... |
10-7-2019 at 13:14
by: Ubya |
Night Vision Project
[rquote=617328&tid=151700&author=VSEPR_VOID]I wouldnt use a smart phone. This is as much a l ... |
10-7-2019 at 07:10
by: Ubya |
Night Vision Project
[rquote=617314&tid=151700&author=draculic acid69]Are the IR filter in videocameras the same ... |
10-7-2019 at 03:00
by: Ubya |
What price should 1lb KNO3 be? Is $10 too expensive?
well it depends on many factors.
what's its grade? fertilizer, stump remover, analytical, etc
is i ... |
10-7-2019 at 02:43
by: Ubya |
Calcium Carbonate turns yellow
if your calcium chloride is technical grade it could have some iron impurities maybe (precipitation ... |
9-7-2019 at 16:05
by: Ubya |
Night Vision Project
@VSEPR_VOID i have an idea. i actually modified a webcam by removing its IR filter, not hard at all, ... |
9-7-2019 at 15:55
by: Ubya |
Night Vision Project
[rquote=617252&tid=151700&author=AJKOER]Disclaimer, not any authority in this area.
Conce ... |
9-7-2019 at 15:31
by: Ubya |
Accurate temp control with PIDs
[quote] 1. Yes, but a PID/SSR does not control voltage. It's just a fancy electrical switch, eithe ... |
7-7-2019 at 08:43
by: Ubya |
Is there a graph/formula of temperature increase vs amount of H2SO4 added to water?
this might be a good answer (i don't like thermodynamics that much so here is a copy paste)
[f ... |
7-7-2019 at 02:59
by: Ubya |
Mystery Glassware Identification Thread
[rquote=616929&tid=31602&author=j_sum1]The first is some kind of specialist volumetric flask ... |
7-7-2019 at 02:37
by: Ubya |
Every Home’s Chemistry: Guide to Dissolving Copper Metal
you should try to make some phenol
https://www.sciencedirect.com/science/article/abs/pii/0010782474 ... |
5-7-2019 at 07:42
by: Ubya |
KI+HNO3->KIO3 fail?
[rquote=616848&tid=151631&author=Boffis]Mmmmm Ubya, that's an interesting paper but turning ... |
4-7-2019 at 08:17
by: Ubya |
KI+HNO3->KIO3 fail?
@fusso
https://zero.sci-hub.se/1597/fb68cdbc1bce08575418686b47aff11a/mailen1975.pdf |
4-7-2019 at 04:08
by: Ubya |
KI+HNO3->KIO3 fail?
https://www.sciencedirect.com/science/article/pii/0022190275801394
It works but you need azeotropic ... |
4-7-2019 at 02:07
by: Ubya |
What dimmer to use with Glas-Col heating mantle in Europe
you could get a 0-220v dimmer and never going over half of its range |
3-7-2019 at 12:55
by: Ubya |
Tired of reporting spam
The spam is coming back, smarter bots or crashed anti-spam bot? |
2-7-2019 at 09:12
by: Ubya |
Cobalt sulfate toxicity for environment
Quote: Originally posted by yobbo II
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|| It is at the heart of vitamin B
B12 |
2-7-2019 at 05:52
by: Ubya |
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