Sciencemadness Discussion Board - Powered by XMB 1.9.11


	Not logged in [Login ]

FAQ

Member List

Today's Posts Forum Stats

Stats

Back to:

Sciencemadness Discussion Board » Search

Search
[Next Page]
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
[Next Page]

Sciencemadness Discussion Board » Search