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Electrolysis with high voltage and plasma "electrode"
[rquote=70074&tid=6206&author=woelen](...)
http://woelen.scheikunde.net/science/chem/exps/H ...
28-11-2020 at 13:15
by: Bezaleel
Synthetic procedures in research papers?
I think that there are huge differences between one article and another. Some authors are just more ...
22-11-2020 at 16:01
by: Bezaleel
Pretty Pictures (2)
[rquote=649520&tid=26378&author=Fluorite]Sodium zincate
NaOH and battery shell ugh I shoul ...
21-11-2020 at 16:33
by: Bezaleel
Ion exchange resin for converting CsCl to CsSCN
[rquote=649480&tid=156547&author=Boffis]Hi Bezaleel, Yes I am sure it will work. When you ha ...
20-11-2020 at 14:36
by: Bezaleel
Interesting and colorful coordination chemistry with ethylene diamine
[rquote=649374&tid=26095&author=Bedlasky]Periodate is strongly oxidizing. Ammonium periodate ...
19-11-2020 at 02:02
by: Bezaleel
Interesting and colorful coordination chemistry with ethylene diamine
[rquote=649333&tid=26095&author=woelen]That's quite big already. My crystals of nickel compl ...
18-11-2020 at 15:38
by: Bezaleel
Interesting and colorful coordination chemistry with ethylene diamine
These are close-ups. The long side is 4 mm. I'm making more of this compound to continue growing.
17-11-2020 at 15:34
by: Bezaleel
Everyday Chemistry (provisional)
Posted my answer [url=https://www.sciencemadness.org/whisper/viewthread.php?tid=26095&page=4#pid ...
17-11-2020 at 10:03
by: Bezaleel
Interesting and colorful coordination chemistry with ethylene diamine
From [url=https://www.sciencemadness.org/whisper/viewthread.php?tid=84298&page=8#pid649271]this ...
17-11-2020 at 09:58
by: Bezaleel
Everyday Chemistry (provisional)
[rquote=649292&tid=84298&author=MidLifeChemist][rquote=649271&tid=84298&author=Bezal ...
17-11-2020 at 06:15
by: Bezaleel
Everyday Chemistry (provisional)
Made some Ni(en)3I2. Dissolved this in dilute KI to recrystallise.

[file]84517[/file]
16-11-2020 at 14:15
by: Bezaleel
Ion exchange resin for converting CsCl to CsSCN
[rquote=649244&tid=156547&author=Bedlasky]I think, that this salt will precipitate from solu ...
16-11-2020 at 13:41
by: Bezaleel
Ion exchange resin for converting CsCl to CsSCN
H.L. Wells describes Cs4[Mn(SCN)6] as magnificent massive crystals, pale yellowish-green (American C ...
16-11-2020 at 10:54
by: Bezaleel
Small scale production of H2SO4 in the amateur lab
[rquote=644241&tid=156031&author=Tsjerk]Adding methanol to a potassium hydrogen sulfate solu ...
5-11-2020 at 03:38
by: Bezaleel
Hydrolysis of nickel chloride
Thanks, I will do so. I've neither seen it with NiSO4 solution (although in CuSO4 solution I have, w ...
28-10-2020 at 15:37
by: Bezaleel
Hydrolysis of nickel chloride
Hi, I made some NiCl2.xH2O by dissolving grey-black nickel oxide in dilute HCl solution and refluxin ...
27-10-2020 at 16:03
by: Bezaleel
Help in preparation of phosphotungstic acid
A thought: could thermal decomposition of the ammonium salt lead to the acid? I don't know how therm ...
19-10-2020 at 00:49
by: Bezaleel
Oil lock up of rotary vane vacuum pumps
Old oil in pumps is one issue. (It also tends to form a sticky carbonaceous layer on the main hub.)
...
16-10-2020 at 16:07
by: Bezaleel
Pretty Pictures (2)
I just love these for their colour

Cobalt(II)orthomolybdate (left) and molybdatocobaltate(III) (r ...
15-10-2020 at 14:41
by: Bezaleel
Pretty Pictures (2)
[rquote=645017&tid=26378&author=Lion850]Cobalt formate crystals forming as the solution cool ...
15-10-2020 at 14:23
by: Bezaleel
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
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