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How to separate Bismuth from lead and tin?
Did you consider adding salt?
Lead chloride is almost insoluble.
13-5-2021 at 13:40
by: unionised
Cu Dendrite Salvation
Dissolve a little oil in the ether so that gets left as a protective coating.
13-5-2021 at 13:32
by: unionised
Clear coating Strontium?
It's a long shot, but I wonder if pure styrene resin would work.
It's a hydrocarbon, so it's not go ...
11-5-2021 at 11:08
by: unionised
Separating cloudy suspension of Benzyl Alcohol on water
Adding a lot of salt will make the water phase denser and that should help separate the liquids.
9-5-2021 at 05:01
by: unionised
Triethyl Orthoacetate?
Adding sulphuric acid to acetonitrile is dangerous.

You may provoke the exothermic trimerisation ...
8-5-2021 at 07:21
by: unionised
Is my boiling flask OK?
[rquote=659482&tid=157398&author=Fyndium] I would use sacrificial flask, that is of no trage ...
5-5-2021 at 23:55
by: unionised
Hydroiodic acid from Vitamin C !
Doesn't HI react with OH groups, and aren't dehydroascorbic- and ascorbic- acid full of OH groups?
3-5-2021 at 13:47
by: unionised
The chlorate candle
India does not have a shortage of oxygen. Just like here, about a fifth of the atmosphere there is ...
29-4-2021 at 09:39
by: unionised
Recovery of styrene monomer from polystyrene
I think that's roughly enough for (literally) a ton of styrene.
28-4-2021 at 13:06
by: unionised
Acidimetry issues
It's not a great answer (because some may be lost as "spray"), but weigh the bicarbonate before and ...
28-4-2021 at 09:07
by: unionised
Acidimetry issues
Since you have NaHCO3, you might as well bake some to give high purity Na2CO3 and see what result yo ...
28-4-2021 at 08:28
by: unionised
Recovery of styrene monomer from polystyrene
It used to be a classic school demo.
Just heating the stuff will give you styrene.

But, unless y ...
28-4-2021 at 08:24
by: unionised
Chromium(III) sulphate available on ebay UK
The bottle on the ebay auction you cited says it is Cr2(SO4)3.H2O
There's not much guarantee of ...
27-4-2021 at 23:54
by: unionised
Easiest way to make red selenium
[rquote=658848&tid=157340&author=njl]I believe unionised is referring to "red mercury" which ...
26-4-2021 at 09:42
by: unionised
Lab decommission in VIC Australia
Not a very relevant questionbut...
In the UK the BDH brand was bought out in the mid 70s.
Was tha ...
26-4-2021 at 03:54
by: unionised
Easiest way to make red selenium
Does this procedure work with mercury?
:-)
25-4-2021 at 23:41
by: unionised
Unanticipated extraction problem.
To some extent the LA and P will have reacted which means that you have a phosphide.
It's going to ...
25-4-2021 at 01:32
by: unionised
Effecting a separation of two, nearly identical compounds
https://en.wikipedia.org/wiki/Urease
23-4-2021 at 07:22
by: unionised
Sodium sulphide
Heating sulphur with sodium carbonate will give a mixture of sulphide and thiosulphate.

Which is ...
23-4-2021 at 06:50
by: unionised
pharma / food grade ethanol - distillation using Hempel column
Could you include a few more pictures of a thermometer reading nearly 80C?
:-)
21-4-2021 at 13:30
by: unionised
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
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