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Is sulphite strong enough to reduce Cr(VI) to Cr(II)?
This may help https://www.chemguide.co.uk/inorganic/transition/chromium.html
Cr3+ is green when som ...
22-7-2019 at 06:20
by: Metallus
Chemistry of insoluble sulfides
Thank you guys, you gave me really nice answers.

@teodor thank you very much for the references. ...
18-7-2019 at 01:05
by: Metallus
Chemistry of insoluble sulfides
Whereas the oxides and halogenides of transition metals have a rich aqueous chemistry, the correspon ...
17-7-2019 at 02:28
by: Metallus
Reaction between aluminum and chlorides in weakly acidic meidum
Hello,
at the end of a dinner with coworkers, we were collecting all the trash and stuffing things ...
11-7-2019 at 01:37
by: Metallus
Chemistry behind RDX
Thank you marks for the reference and thank you guys for your answers.
31-5-2019 at 00:49
by: Metallus
Chemistry behind RDX
Hello,
I'm interested in the chemistry behind explosives and their synthesis in general. In particu ...
29-5-2019 at 02:20
by: Metallus
Short question / quick answer - Thread
I'm interested in the chemistry (theory) behind the synthesis of RDX from methenamine + HNO3 and the ...
23-5-2019 at 07:39
by: Metallus
Silver nitrate giving off HCl ??
The yellow stain could very well be leftover HNO3 decomposing and giving off NO2.

The rotten sme ...
14-12-2018 at 06:34
by: Metallus
How to find the right solvent?
Thank you guys very much for your insightful answers.

@Sidmadra: thank you for sharing your exper ...
28-9-2018 at 05:16
by: Metallus
Science inspired travel
I'm from Italy and I've been to Florence many times, but the main points of interests are the cathed ...
24-9-2018 at 06:54
by: Metallus
barium hydroxide [Ba(OH)2]
Off topic:
Was it barium chromate that had that disgusting yellow/green coloration reminishing of s ...
20-9-2018 at 05:15
by: Metallus
How to find the right solvent?
Thanks for the answers, but I'm not looking for charts. I'm looking for the "why" it works like that ...
17-9-2018 at 23:54
by: Metallus
Graphite or silicon carbide?
Keep in mind that you would need homogeneously mixed powders and inert atmosphere to get appreciable ...
13-9-2018 at 00:09
by: Metallus
Graphite or silicon carbide?
I work with SiC, silica and carbon in my institute, and I've seen SiC forming on the surface of carb ...
12-9-2018 at 05:17
by: Metallus
How to find the right solvent?
[rquote=532904&tid=90490&author=DavidJR]I don't think polyethylene is dissolved by toluene - ...
3-9-2018 at 02:41
by: Metallus
How to find the right solvent?
When you have to dissolve something, how do you know if X or Y solvent is going to work?

An easy ...
3-9-2018 at 02:12
by: Metallus
Liquid evaporation time dependency
[rquote=531810&tid=89761&author=fusso]10=2/3*pi*r[sup]3[/sup]
r should be 2.88cm instead of ...
29-8-2018 at 06:24
by: Metallus
Liquid evaporation time dependency
Hello,
back in university I studied properties like vapor pressure, heat of evaporation and what no ...
27-8-2018 at 06:31
by: Metallus
Jackpot from abandoned institute of inorganic chemistry
Substance A has the appearance of copper Iodide, CuI. It's a water insoluble beige/gray solid where ...
12-7-2018 at 05:57
by: Metallus
Problem with qualitative analysis of possible copper(II)ion
Reduction/oxidation on copper will often yield both Cu(I) and Cu(II).

Afterall if you think about ...
27-4-2018 at 03:11
by: Metallus
reaction with Potassium Peroxymonosulfate (oxone)
@Woelen
Very nice results you got there.

I expected them to behave similarly in conc. H2SO4 (bas ...
24-4-2018 at 01:53
by: Metallus
reaction with Potassium Peroxymonosulfate (oxone)
[rquote=515238&tid=71277&author=woelen]@Metallus: Your post is a very good one, thanks for s ...
23-4-2018 at 06:04
by: Metallus
reaction with Potassium Peroxymonosulfate (oxone)
[rquote=513963&tid=71277&author=woelen]Another interesting experiment with oxone, active ion ...
17-4-2018 at 23:52
by: Metallus
Doubts about H2O2 reduction potential
[rquote=514598&tid=61637&author=RawWork]Honestly, I am not worried. I don't see anything unu ...
17-4-2018 at 07:08
by: Metallus
Doubts about H2O2 reduction potential
[rquote=514593&tid=61637&author=Sulaiman]Thanks for the necro :)

This subject was tackled ...
17-4-2018 at 05:59
by: Metallus
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