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Why samarium has red colour in selenous acid?
[rquote=658423&tid=157312&author=unionised][rquote=658395&tid=157312&author=Bedlasky ...
18-4-2021 at 06:09
by: Bedlasky
Why samarium has red colour in selenous acid?
[rquote=658350&tid=157312&author=unionised]You have produced the Sm2+ ion which is red.
I k ...
17-4-2021 at 16:27
by: Bedlasky
Making copper from copper sulfate and iron nails
Iron or aluminium are much cheaper than ascorbic acid.
15-4-2021 at 12:06
by: Bedlasky
Making copper from copper sulfate and iron nails
Johnny Cappone: I did nickel by reaction of nickel sulfate and aluminium foil in the presence of NaC ...
15-4-2021 at 11:20
by: Bedlasky
Making copper from copper sulfate and iron nails
Hi.

I tried to make some copper powder by heating copper sulfate solution with iron nails. Copper ...
15-4-2021 at 09:25
by: Bedlasky
Production of Selenic acid by oxidizing Selenous acid with KMnO4?
I think that selenate is soluble.

You can do iodometric titration and calculate oxidation state o ...
15-4-2021 at 09:15
by: Bedlasky
Alcohol 99,9%
In Europe is ethanol cheap. 3€ for 1 liter bottle. I once did GC analysis of this commercial stuff ...
10-4-2021 at 23:49
by: Bedlasky
Some fun with a really obscure compound.
Oh sorry, now it works :).
6-4-2021 at 21:57
by: Bedlasky
Some fun with a really obscure compound.
I cannot open the link. Is problem on my side or your side?
6-4-2021 at 17:14
by: Bedlasky
really weird compound
[rquote=143334&tid=11535&author=woelen]I did the same experiment with PCl5 and MoO3. Surpris ...
1-4-2021 at 23:39
by: Bedlasky
Preparation of Chrome Yellow and Chrome Orange
In theory - why not? Your precipitate should be lead dichromate.

You can try analyse your precipi ...
1-4-2021 at 19:04
by: Bedlasky
Adrians Chemistry Laboratory on the dangers of sulfuric acid
I just think that I stay away from this, that everything was said, but after that I saw his second v ...
31-3-2021 at 20:46
by: Bedlasky
Adrians Chemistry Laboratory on the dangers of sulfuric acid
Sulfuric acid have boiling point 337°C. Small piece of chicken and sulfuric acid starts to boil aft ...
31-3-2021 at 17:15
by: Bedlasky
Homemade Gas Burner - The poorman's Bunsen Burner
Very nice!
31-3-2021 at 11:31
by: Bedlasky
Demonstrations about the science of plastics
[url=https://cool.culturalheritage.org/coolaic/sg/bpg/pcc/10_spot-tests.pdf]Here[/url] you can find ...
30-3-2021 at 09:14
by: Bedlasky
Violuric acid salts (fantastic colors and variety)
[rquote=657234&tid=156755&author=vano]Beryllium violurate.

1)Solution was green
2) hydra ...
30-3-2021 at 09:07
by: Bedlasky
A Sad Day - Another Great Supplier Gone - Elemental Scientific
[rquote=657221&tid=157207&author=woelen]Sulfur can be removed by boiling with a solution of ...
29-3-2021 at 12:33
by: Bedlasky
Qualitative V/Cr detection
I think that chromate is better, because V(OH)3 is slowly oxidized by air to form brown soluble hypo ...
26-3-2021 at 02:49
by: Bedlasky
Qualitative V/Cr detection
[rquote=657031&tid=157212&author=S.C. Wack][rquote=656976&tid=157212&author=Bedlasky ...
25-3-2021 at 20:10
by: Bedlasky
Metasilicates
[url]http://www.masoncolor.com/ceramic-stains/blues/6338-cobalt[/url]
25-3-2021 at 10:23
by: Bedlasky
Metasilicates
I think that from aqueous silicate you always get mixture of silicates. Equilibria in aqueous silica ...
25-3-2021 at 09:20
by: Bedlasky
Metasilicates
Copper silicate look really nice. Try cobalt silicate, it have nice dark blue colour.
25-3-2021 at 08:02
by: Bedlasky
Qualitative V/Cr detection
S.C. Wack: I don't understand where is the problem. Draconid acid just pointed out, that vanadium al ...
25-3-2021 at 00:48
by: Bedlasky
Qualitative V/Cr detection
Draconic acid: Yes, vanadium give red peroxide complex.

Chornedsnorkack: Orthovanadate is colourl ...
23-3-2021 at 21:43
by: Bedlasky
Cobalt selenite + photos
[rquote=655494&tid=157022&author=Bedlasky]Ferrous salts have sometimes strange colours. For ...
23-3-2021 at 10:31
by: Bedlasky
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