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Removing lead oxide from lead ingots.
[rquote=640943&tid=62600&author=Tsjerk]HClO4 won't attack the lead (or hardly) as perchlorat ...
28-7-2020 at 03:11
by: Bezaleel
Useful perchlorate/chlorate tests
Thanks!
28-7-2020 at 02:54
by: Bezaleel
Copper cyanurate (and other cyanurates}
I can confirm that only freshly precipitated TiO2 will dissolve in HCl solution. Both anatase and ru ...
28-7-2020 at 02:41
by: Bezaleel
Removing lead oxide from lead ingots.
1. Woelen, will HClO4 remove only the oxide or will it also attack the lead metal?

2. Sulfamic ac ...
17-7-2020 at 03:25
by: Bezaleel
Copper cyanurate (and other cyanurates}
[rquote=640924&tid=155624&author=Lion850]Cobalt continued:
The grey cobalt cyanurate salt ...
17-7-2020 at 02:25
by: Bezaleel
KClO3 and H2SO4 reaction
[rquote=639605&tid=14354&author=chornedsnorkack][rquote=639600&tid=14354&author=woel ...
3-7-2020 at 06:36
by: Bezaleel
Copper cyanurate (and other cyanurates}
This is a really awesome review article. It greatly helped me understand what went on when I was not ...
23-6-2020 at 15:54
by: Bezaleel
Reducing sodium molybdate by nascent hydrogen
[rquote=638806&tid=150706&author=Bedlasky]Interesting observations!

I made phosphomolybda ...
23-6-2020 at 15:02
by: Bezaleel
Reducing sodium molybdate by nascent hydrogen
[rquote=632943&tid=150706&author=Bedlasky]wg48temp9: Thank you very much for your post! You ...
19-6-2020 at 15:29
by: Bezaleel
Copper bicarbonate?
In case you are looking to purify you copper carbonate, Atomistry suggests to dissolve the hydroxide ...
19-6-2020 at 06:23
by: Bezaleel
Crystals at bottom of ammonia?
[rquote=638175&tid=155535&author=Godrick VanHess]When you say at the bottom of old ammonia b ...
15-6-2020 at 04:08
by: Bezaleel
Crystals at bottom of ammonia?
It's a bit odd. I've noticed crystals at the bottom of old ammonia bottles as well and also wondered ...
11-6-2020 at 03:31
by: Bezaleel
Very low solubility of erbium oxide in mineral acids
[rquote=635497&tid=21663&author=Lion850]I purchased pink Er2O3 and light blue Nd2O3 from a p ...
11-5-2020 at 01:58
by: Bezaleel
Inorganic compounds with most intense colour in water solution
[rquote=635455&tid=155322&author=teodor][rquote=635392&tid=155322&author=Bedlasky]
...
11-5-2020 at 01:49
by: Bezaleel
Oxygen generator designs?
Answering one by one:
[rquote=633545&tid=155124&author=Junk_Enginerd]
I've considered buil ...
6-4-2020 at 15:21
by: Bezaleel
Report on making praseodymium sulphate
[rquote=633568&tid=155123&author=Herr Haber]Did you take a picture of your crystals ?Please ...
6-4-2020 at 03:02
by: Bezaleel
Report on making praseodymium sulphate
Hi Lion850,
I guess you learned what I learned also when I tried to make Pr sulphate.
* Use dilute ...
3-4-2020 at 07:52
by: Bezaleel
Oxygen generator designs?
Potassium permanganate is expensive, so that's no option either.

I've been looking into this too, ...
3-4-2020 at 07:20
by: Bezaleel
Metal heteropolymolybdates
Hi, That's a great overview of the colours these compound take. And a lot of work in testing all of ...
2-4-2020 at 15:00
by: Bezaleel
Extracting Silver metal from Old Jewellery
Was there a precipitate at all? Whenever I made silver chloride, it always turned brown sooner or la ...
3-3-2020 at 04:09
by: Bezaleel
Pretty Pictures (2)
[rquote=631752&tid=26378&author=Amos]The two extremes of Cobalt Violet, a cobalt(II) phospha ...
3-3-2020 at 03:24
by: Bezaleel
Extracting Silver metal from Old Jewellery
That still looks like a large amount of silver nitrate. I did a similar experiment dissolving a silv ...
2-3-2020 at 04:07
by: Bezaleel
Reducing sodium molybdate by nascent hydrogen
Maybe a complex with NOCl is formed? As I checked for presence of a lone pair on NOCl, I found that ...
21-2-2020 at 03:06
by: Bezaleel
Report on making Neodymium iodide
Interesting. I never got to preparing it myself, but indeed NdI3 is reported to be green. This count ...
13-2-2020 at 07:11
by: Bezaleel
Neodymium iodide synthesis - powder supplied also contains Praseodymium?
When I made this from magnets, I precipitated the rare earth with oxalic acid. Iron oxalate will sta ...
6-2-2020 at 09:37
by: Bezaleel
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