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Remove Na impurities in K salts?
[rquote=617310&tid=151788&author=fusso]I flame tested the KOH and see orange colour in addit ...
15-7-2019 at 01:25
by: unionised
CuCl2+CH3OH+DCM=blue flame?
[rquote=617483&tid=151832&author=Science Nerd]
The book says DCM turns the flame blue by in ...
12-7-2019 at 15:50
by: unionised
CuCl2+CH3OH+DCM=blue flame?
[rquote=617441&tid=151832&author=MrHomeScientist]I've never had good luck producing blue. Ev ...
11-7-2019 at 12:36
by: unionised
Curious contamination on a sintered glass filter
Ammonia solution will dissolve many silver compounds.
Re-acidifying the filtrate with HCl will give ...
7-7-2019 at 12:57
by: unionised
Benzaldehyde By Reduction Of Benzoic Acid
This may be more interesting than useful but...
https://www.sciencedirect.com/science/article/abs/p ...
3-7-2019 at 11:38
by: unionised
Preparation of dichromate from Cr(III) waste video
About 43 seconds: buy a funnel.

Also, don't forget to wash the NaOH carefully out of the separati ...
1-7-2019 at 12:31
by: unionised
Sulfuric Acid in UK
[rquote=616477&tid=151410&author=Pseudoscience]

They haven’t banned H2O2 they’ve just ...
30-6-2019 at 08:04
by: unionised
Sulfuric Acid in UK
Has anyone seen the topic lately?

Racism is among the things that can be deliberately induced or, ...
30-6-2019 at 05:02
by: unionised
Sulfuric Acid in UK
[rquote=616425&tid=151410&author=Pseudoscience] Personally I don’t think half of our capit ...
30-6-2019 at 01:58
by: unionised
Does anyone have a prefered method for synthesis of acetaldehyde?
"Does anyone have a prefered method for synthesis of acetaldehyde?"
Over the years I have synthesis ...
30-6-2019 at 01:40
by: unionised
Brady's Reagent hazards
I used it for roughly 20 years. The first thing I did with the stuff- as purchased with 30% water- w ...
29-6-2019 at 12:52
by: unionised
Sulfuric Acid in UK
[rquote=616325&tid=151410&author=Pseudoscience][rquote=616308&tid=151410&author=Kera ...
28-6-2019 at 15:30
by: unionised
Filling old gas canisters
The big problem is the gas mixture you make in the pump.
It starts off full of air, and then you ad ...
26-6-2019 at 10:43
by: unionised
Filling old gas canisters
You may have missed out one or more steps there.
If the container has air in it then you evacuate i ...
26-6-2019 at 09:52
by: unionised
Chemical tests for heavy metals
How much money do you have?
How good a detection limit do you need?
25-6-2019 at 10:34
by: unionised
What opioids/opiates can be made 100% syntheticaly without poppies
It's possible to synthesise the opiates.
It's much easier and cheaper to grow poppies and extract t ...
24-6-2019 at 12:03
by: unionised
Solvent Solubility Question
It depends.
If there is lots of IPA then it will all mix.
If it's mainly DCM and water then there ...
23-6-2019 at 11:41
by: unionised
Non Newtonian mixtures using fumed silica
[rquote=615826&tid=151279&author=twelti][rquote=615815&tid=151279&author=unionised][ ...
22-6-2019 at 12:52
by: unionised
Non Newtonian mixtures using fumed silica
[rquote=615755&tid=151279&author=XeonTheMGPony]Please use this literary device called: Parag ...
22-6-2019 at 08:50
by: unionised
Combining concentrated H2O2 with ethanol, methanol or IPA
Am I the only one who read this "Combining concentrated H2O2 with ethanol, methanol or IPA" and thou ...
21-6-2019 at 16:27
by: unionised
Does anyone have a homemade H2 generator or advice on makong a simple setup?
Depending on what rate you want, this sort of think might be neater.

https://www.youtube.com/watc ...
19-6-2019 at 10:12
by: unionised
Any way to prepare anhydrous ZnCl2 without using gaseous Cl2 or HCl?
[rquote=615001&tid=150934&author=fusso]Anhydrous MnCl2 and CoCl2 can be dehydrated by heatin ...
11-6-2019 at 11:40
by: unionised
Baclofen via cinnamic acid ester
https://www.ebay.co.uk/itm/Blue-John-Paperweight-10cm-x-7cm-x-4cm-at-widest-1-side-polished-FREE-POS ...
10-6-2019 at 13:10
by: unionised
Any way to prepare anhydrous ZnCl2 without using gaseous Cl2 or HCl?
If you can get FeCl3....
10-6-2019 at 13:08
by: unionised
Baclofen via cinnamic acid ester
[rquote=614891&tid=150933&author=Tsjerk]l I'm thinking about mixing the two with a small exc ...
10-6-2019 at 11:22
by: unionised
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