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Buying chemicals
what is your name ?
what is your thesis ?
what is the color of bromothymol at ph 7 ?
8-4-2018 at 08:40
by: brubei
get out of my territory
24-3-2018 at 07:44
by: brubei
Phosphorescent material
[rquote=510913&tid=81273&author=Bert][url= vial.html]Sh ...
17-3-2018 at 08:12
by: brubei
Phosphorescent material
[rquote=510904&tid=81273&author=VSEPR_VOID][rquote=510895&tid=81273&author=brubei]He ...
16-3-2018 at 21:18
by: brubei
Determination of HCl-concentration without titration (idea)
i agree with david, however dealing with evaporation is a source of mistake due loss of salt with va ...
16-3-2018 at 21:16
by: brubei
Phosphorescent material
Hello, i'd like to buy a nice jewlery for my girlfriend (link above), but i think these glassware co ...
16-3-2018 at 05:46
by: brubei
Cannabinoid concentration
Here again, critical CO2 is the best known method. Extraction result in a clear oily wax.
11-3-2018 at 14:35
by: brubei
Australian border force news
2 papers caught my attention in the drug testing and analysis journal this week, 2 courageous austra ...
31-1-2018 at 21:12
by: brubei
4 dp is not too much, imagine a sample that decarboxylate and loss 10% in mass, then you want 99% ac ...
24-1-2018 at 13:16
by: brubei
It lives! (HP 5890 gas chromatograph)
22-1-2018 at 06:52
by: brubei
thanks for your attention, i'v found a vidéo on yt to build a weighting scale with high precision f ...
21-1-2018 at 11:51
by: brubei
Thermogravimetric apparatus is a system recording both mass and temperature of a sample. By this way ...
19-1-2018 at 18:08
by: brubei
Plating various metals out of a waste solution
Yes it the same, the reactions with higher potential difference will happen first.
18-1-2018 at 02:21
by: brubei
Very OTC Sodium NItrite
Sodium Nitrate is commonly sold for ceramic making.
30-9-2017 at 03:21
by: brubei
So I was on IKEA today...
[rquote=489177&tid=75828&author=MeshPL]They are even made of borosilicate glass! Beakers wit ...
30-7-2017 at 03:24
by: brubei
Have any of the sciencemadness members discovered anything?
from wich impact factor publication can we tell we did a discovery :D ?
24-7-2017 at 03:10
by: brubei
Street drug analysis / harm reduction
They are some association providing analysis depending of your country: ...
4-7-2017 at 03:16
by: brubei
Sketchiest supplier site I've seen in a while.

They're straight up selling methylone and ...
2-6-2017 at 11:30
by: brubei
Need help understanding this
[rquote=484391&tid=74421&author=frames]It looks like you can get lysergic acid from ergotami ...
30-5-2017 at 12:27
by: brubei
Titrations and Systematization?
This is the method teach in my analytical chemistry classroom
If you have no way to know the conce ...
29-5-2017 at 01:06
by: brubei
Copper plating cast iron skillet
iron plating usely need to precoat your surface with Nickel (a mixture of NiH2SO4/NiCl/H3BO3 called ...
25-5-2017 at 14:36
by: brubei
Coolant spray for controlling reaction temperature
mixing reagent with exothermic reactions always take a long time.
Furthermore, if you complain abou ...
17-5-2017 at 04:42
by: brubei
Today, I march.
why wasn't the march in march ?
23-4-2017 at 22:33
by: brubei
Alternative hobbies that appeal to those with interest in chemistry
I'm member of a harm reduction organization about drug abuse.
[rquote=481201&tid=73573&auth ...
22-4-2017 at 01:05
by: brubei
tlc rf to lc
i think he want to do a preparative LC of two compounds, their rf on tlc are 0.2 and 0.8 with a simp ...
21-3-2017 at 07:29
by: brubei
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