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phosphine generation from baking powder
Some of the aluminium may also have reacted.
19-4-2021 at 09:51
by: unionised
Why samarium has red colour in selenous acid?
[rquote=658437&tid=157312&author=Bedlasky]

I don't say that you are liar.
[/rquote]

...
18-4-2021 at 07:08
by: unionised
Why samarium has red colour in selenous acid?
[rquote=658395&tid=157312&author=Bedlasky]

Sm2+ in aqueous solution? No way, Sm2+ react w ...
18-4-2021 at 03:30
by: unionised
Why samarium has red colour in selenous acid?
"Samarium is one of the few lanthanides that exhibit the oxidation state +2. The Sm2+ ions are blood ...
17-4-2021 at 13:08
by: unionised
Why samarium has red colour in selenous acid?
You have produced the Sm2+ ion which is red.
I know that the sulphate is insoluble; perhaps the sel ...
17-4-2021 at 05:30
by: unionised
oh my god! 2900$ for a mortar???
[rquote=658037&tid=157291&author=pneumatician]I need a mortar for grind some rocks [/rquote] ...
16-4-2021 at 05:18
by: unionised
Making copper from copper sulfate and iron nails
You can strip out excess iron with a magnet.
You can dissolve excess aluminium with NaOH
And you c ...
16-4-2021 at 03:58
by: unionised
oh my god! 2900$ for a mortar???
Buy or make a percussion mortar.
https://www.ascscientific.com/geology-laboratory-equipment/jaw-cru ...
15-4-2021 at 10:05
by: unionised
Drying methanol
[rquote=658232&tid=157059&author=Fyndium]K

Gotta UTFSE, but meanwhile, what'd be methods ...
15-4-2021 at 09:53
by: unionised
Making copper from copper sulfate and iron nails
Once the nails are covered in copper the solution can no longer get to the iron to react.
Try usin ...
15-4-2021 at 09:46
by: unionised
intent to possess 30 ml methylmercury = 12 yrs prison
Nothing says "I am innocent" like taking the fifth...
13-4-2021 at 11:02
by: unionised
intent to possess 30 ml methylmercury = 12 yrs prison
[rquote=657827&tid=157277&author=Texium (zts16)]t

If you're trying to imply that it shoul ...
10-4-2021 at 03:35
by: unionised
intent to possess 30 ml methylmercury = 12 yrs prison
[rquote=657803&tid=157277&author=Texium (zts16)][rquote=657798&tid=157277&author=uni ...
9-4-2021 at 09:07
by: unionised
intent to possess 30 ml methylmercury = 12 yrs prison
If, under similar circumstances, he had bought a knife, what would the penalty have been?

Yes. I ...
9-4-2021 at 04:16
by: unionised
Sodium Sulfate from Aluminum Sulfate
If you powder and dry the sodium carbonate in air for a while until it stops losing weight then you ...
7-4-2021 at 09:24
by: unionised
Low effort DIY chemical productions
Beer?
4-4-2021 at 10:22
by: unionised
What kind of gas mask should I buy for chlorine/SCl2
[rquote=657495&tid=157255&author=Triflic Acid]When I do SCl2/Cl2 experiments in the hood, th ...
4-4-2021 at 10:21
by: unionised
some questions about triethyl phosphate
[rquote=657417&tid=157245&author=zed]Hunh? In the USA, the number he reports is 1,311 mg... ...
2-4-2021 at 05:28
by: unionised
Heat and Desiccating Organic Solvents
Acetone also has a heat of hydration, and you "lose" that energy.

Also, you need to take care wha ...
31-3-2021 at 13:56
by: unionised
very brittle coating on TLC
Are you trying to use gypsum as a binder, rather than adding plaster of Paris to the alumina so that ...
30-3-2021 at 10:46
by: unionised
Nitrifying Bacteria Reactor for Generating Nitrate Salts
[rquote=657168&tid=157219&author=Antiswat] im very certain that was at least 10% ammonia, [/ ...
28-3-2021 at 11:59
by: unionised
Freezing point depression by impurities?
It's not guaranteed- especially if the liquid is viscous.
The other thing that often works is scrat ...
27-3-2021 at 06:07
by: unionised
Quickly drying mineral oil or storing sodium without mineral oil?
[rquote=657117&tid=157226&author=Draeger]When I put it upright in just a small puddle of oil ...
27-3-2021 at 05:56
by: unionised
Freezing point depression by impurities?
It depends on the solvent.
https://en.wikipedia.org/wiki/Cryoscopic_constant
but the effect is usu ...
27-3-2021 at 04:35
by: unionised
Ambergris.
I'm pretty sure that ambergris will not dissolve in aqueous HCl.
26-3-2021 at 04:44
by: unionised
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