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Collection of bromine preps
[rquote=644423&tid=156147&author=njl]
Washing with a dehydrating solution like saturated br ...
11-9-2020 at 20:34
by: artemov
Chromium hydroxide?
In my synthesis of potassium dichromate from chromium metal, I used sodium carbonate (aq) on chromiu ...
26-7-2020 at 00:17
by: artemov
Ammonium Bifluoride to Sodium Fluoride
I might be able to get a small amount of ammonium bifluoride and I'm thinking of converting it to th ...
15-6-2020 at 23:30
by: artemov
Methanol from denatured spirit ?
[rquote=635279&tid=155315&author=metalresearcher]Recently I distilled the blue household spi ...
4-5-2020 at 21:30
by: artemov
DIY alcohol sanitiser
[rquote=633812&tid=155153&author=CELamCheng]Found this
https://www.youtube.com/watch?v=EZNr ...
9-4-2020 at 19:43
by: artemov
Hydrazine
[rquote=633786&tid=1128&author=B(a)P]What was your percentage yield?
You can use the silve ...
8-4-2020 at 03:58
by: artemov
Synthesis and Questions
My hydrazine sulfate synthesis using the standard urea+bleach+sulfuric acid method. This is the 2nd ...
7-4-2020 at 22:58
by: artemov
Make Phosphoric acid
I was thinking about this too, use sodium/potassium dihydrogen phosphate instead of phosphate since ...
3-4-2020 at 23:16
by: artemov
Concentrating Battery Acid and Chromium Sulfate Synthesis
[rquote=630703&tid=154678&author=Tsjerk]I would try if it works, maybe your Cr(VI) is alread ...
8-2-2020 at 05:22
by: artemov
Concentrating Battery Acid and Chromium Sulfate Synthesis
Hi guys, I need to clean up my labware later after a dichromate synthesis.

I have sodium metabisu ...
7-2-2020 at 18:58
by: artemov
Pinkish KNO3 Crystals
[rquote=630579&tid=154825&author=Tsjerk][quote] The colour of potash varies (from white to d ...
7-2-2020 at 18:55
by: artemov
Pinkish KNO3 Crystals
[rquote=630571&tid=154825&author=Abromination]I would give it a quick recryst, but for most ...
5-2-2020 at 21:09
by: artemov
Pinkish KNO3 Crystals
My KNO3 crystals seem to be a bit pinkish, is it normal?

Obtained from KCl and Calcium Ammonium N ...
5-2-2020 at 19:32
by: artemov
Concentrating nitric acid using sulfuric acid
Not sure if this is useful. Magnesium nitrate works too!

[file]78882[/file]
20-1-2020 at 02:08
by: artemov
Concentrating Battery Acid and Chromium Sulfate Synthesis
Chrome alum:
Since I have completely messed up the stoichiometry, I added what seems to me to be an ...
9-1-2020 at 00:23
by: artemov
Concentrating Battery Acid and Chromium Sulfate Synthesis
[rquote=629058&tid=154678&author=woelen].
For the rest, you need patience. The green materi ...
6-1-2020 at 00:34
by: artemov
Concentrating Battery Acid and Chromium Sulfate Synthesis
[rquote=629034&tid=154678&author=S.C. Wack]Perhaps the sulfurous smell and resistant metal a ...
5-1-2020 at 17:15
by: artemov
Concentrating Battery Acid and Chromium Sulfate Synthesis
[rquote=629017&tid=154678&author=artemov]Thanks guys.
I am currently filtering the "green s ...
5-1-2020 at 07:08
by: artemov
Concentrating Battery Acid and Chromium Sulfate Synthesis
Thanks guys.

I am currently filtering the "green syrup". There seems to be some sedimentation des ...
4-1-2020 at 20:10
by: artemov
Concentrating Battery Acid and Chromium Sulfate Synthesis
[rquote=628994&tid=154678&author=Tsjerk]
I guess having the chromium(III) in a concentrated ...
4-1-2020 at 08:04
by: artemov
Concentrating Battery Acid and Chromium Sulfate Synthesis
[rquote=628991&tid=154678&author=j_sum1]Why were you expecting violet?
Cr(III) is typically ...
4-1-2020 at 05:30
by: artemov
Concentrating Battery Acid and Chromium Sulfate Synthesis
On my quest towards potassium dichromate, I reacted 17.1g of chromium powder with 110ml of RT 36% ba ...
4-1-2020 at 04:58
by: artemov
Concentrating Battery Acid and Chromium Sulfate Synthesis
Managed to concentrate about 650ml of 37% (density ~1.28)battery acid to about 220ml of 81% (densi ...
4-1-2020 at 04:49
by: artemov
HCl acid in situ
Thanks Fery. Either I will distil off the HCl or use it as it is ... I want to make CrCl3 from chrom ...
31-12-2019 at 00:16
by: artemov
HCl acid in situ
[rquote=628789&tid=154656&author=PirateDocBrown]
Hmm, where do you think the chlorine goes? ...
30-12-2019 at 20:25
by: artemov
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