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Gold or not Gold, thats the question
Some oxidizing agent is needed, HCl alone will not dissolve gold.
HCl/Cl[sub]2[/sub] also works f ... |
4-5-2023 at 15:55
by: Osmiridium |
Finding percentage of tin in leaded tin solder
Of course stannic acid as such doesn't contain nitrate. What I meant is, if you dissolve tin in nitr ... |
4-5-2023 at 13:06
by: Osmiridium |
Finding percentage of tin in leaded tin solder
I can imagine it is quite counterintuitive if you think of a volatile gas like HCl forming an azeotr ... |
4-5-2023 at 12:59
by: Osmiridium |
Finding percentage of tin in leaded tin solder
Don't try to dissolve it in nitric acid. If there's Sn in it it won't dissolve fully but form a disp ... |
4-5-2023 at 11:00
by: Osmiridium |
Separating stuck ground glass joint
Be careful.
Using force might actually work sometimes in this case. If there's an expensive apparat ... |
29-4-2023 at 12:26
by: Osmiridium |
Porcelain crucible and molten KOH
A porcelain crucible will always be etched by molten hydroxides (also carbonates) and impurities wil ... |
29-4-2023 at 12:09
by: Osmiridium |
Potassium Carbonate solubility in DMF
I assume it's supposed to to scavenge a hydrogen halogenide?
But yes, it shouldn't be a problem i ... |
26-4-2023 at 15:16
by: Osmiridium |
Do PGMs react with hot NaOH solution ?
The six PGM have common properties but they actually differ significantly from Fe/Co/Ni despite bein ... |
26-4-2023 at 14:57
by: Osmiridium |
Testing for CaF2 minerals
[b]Hydrofluoric acid is extremely dangerous and toxic.[/b]
Also it reacts with SiO2 to SiF4 so yo ... |
26-4-2023 at 14:35
by: Osmiridium |
Potassium Carbonate solubility in DMF
Well, at higher temperatures the dissolution should be significantly faster. And usually, with few e ... |
24-4-2023 at 02:56
by: Osmiridium |
The Short Questions Thread (4)
[rquote=683160&tid=25055&author=yobbo II]
If starting a 3 phase motor (about 20kW) which is ... |
23-4-2023 at 12:37
by: Osmiridium |
Tricky Vacuum Trouble
There's nothing wrong with both your gauge and your temperature reading.
You have to differentia ... |
18-4-2023 at 16:30
by: Osmiridium |
Stir bar get stuck in RBF
Ok, it's a problem with the magnets then. Have you checked that the stir bar is magnetic itself? Who ... |
14-4-2023 at 10:02
by: Osmiridium |
Stir bar get stuck in RBF
[rquote=683145&tid=159456&author=DraconicAcid]I know that some brands of stirring plates sim ... |
14-4-2023 at 05:33
by: Osmiridium |
Anethole extraction issues
[rquote=683152&tid=159475&author=DocX][i][size=-1]
[b]Issue 1[/b]: using a Soxhlet extra ... |
13-4-2023 at 09:22
by: Osmiridium |
DEET hydrolysis with HCl to diethylamine and toluic acid
I found that DEET hydrolysis actually works quite smoothly with hydrochloric acid and I prefer doing ... |
9-4-2023 at 16:21
by: Osmiridium |
Literature on how Na2O2 fusion works
There aren't many ways to dissolve silicates. One is with hydrofluoric acid to form SiF[sub]4[/sub] ... |
5-4-2023 at 02:01
by: Osmiridium |
Dissolving Ir and IrO2 to Hexachloroiridate
In the last few days i conducted some experiments and I'm glad to share the results: Iridium dioxide ... |
24-3-2023 at 08:10
by: Osmiridium |
High yielding and cheap method for the production of Potassium Cyanide
Very nice!
Under certain circumstances (certainly low pH) HCN tends to polymerize to some brown c ... |
19-3-2023 at 05:04
by: Osmiridium |
Dissolving Ir and IrO2 to Hexachloroiridate
[rquote=682390&tid=159412&author=Bedlasky]Try dissolve IrO2 in aqua regia, it is done indust ... |
19-3-2023 at 04:25
by: Osmiridium |
Violuric acid salts (fantastic colors and variety)
Many thanks Cakethegrate for the good and thorough explanation!
Well, I try to explain my opinion ... |
19-3-2023 at 04:01
by: Osmiridium |
Dissolving Ir and IrO2 to Hexachloroiridate
[rquote=682384&tid=159412&author=Σldritch]I am trying to learn how to dissolve, separate an ... |
17-3-2023 at 17:31
by: Osmiridium |
Video on how to make gold nanoparticles
A very nice short and informative video about a beautiful effect! And this without the need for any ... |
16-3-2023 at 17:17
by: Osmiridium |
Dissolving Ir and IrO2 to Hexachloroiridate
Hi there!
I am looking for a way to dissolve Iridium and convert it to Hexachloroiridate.
The r ... |
16-3-2023 at 17:00
by: Osmiridium |
Violuric acid salts (fantastic colors and variety)
Very fascinating and beautiful these violuric acid salts! Something I will certainly do aswell.
S ... |
14-3-2023 at 15:26
by: Osmiridium |
