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Oxalic Acid from Rhubarb
Sodium citrate is very soluble in water.
You might want to consider precipitating oxalate as the ... |
18-7-2021 at 01:54
by: unionised |
What is this yellow stuff?
Heating copper (II) acetate will give rise to "organic stuff" and that can reduce copper (II) to cop ... |
16-7-2021 at 05:18
by: unionised |
DIY Low Temperature Refractory Plaster/Cement?
[rquote=662763&tid=157699&author=VeritasC&E]
True, as does tap water, but there's ... |
13-7-2021 at 04:16
by: unionised |
DIY Low Temperature Refractory Plaster/Cement?
[rquote=662757&tid=157699&author=VeritasC&E]Vermiculite contains aluminum
[/rquote]
So ... |
12-7-2021 at 09:45
by: unionised |
Why are rhubarb leaves poisonous but not spinach?
Calcium oxalate is bad news anyway.
It's soluble in HCl - so your stomach acid would set the oxala ... |
11-7-2021 at 12:04
by: unionised |
Why are rhubarb leaves poisonous but not spinach?
The anthraquinones don't help.
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11-7-2021 at 10:50
by: unionised |
Cleaning glassware with limited reagents.
One of the best things to do is use water, flush it backwards through the funnel.
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11-7-2021 at 10:24
by: unionised |
European Sulfuric Acid Ban
[rquote=662627&tid=155798&author=macckone]They cannot ban possession of sulfuric acid of les ... |
9-7-2021 at 08:38
by: unionised |
The perfect washbottle - which one should I get?
Fundamentally, if you want to remove a gas that is dissolved in liquid, you apply a vacuum.
What's ... |
8-7-2021 at 23:52
by: unionised |
Pulling ethanol from a mess of compounds?
If you live somewhere really cold, you might be able to freeze some water out of it.
Otherwise I'd ... |
8-7-2021 at 11:00
by: unionised |
The perfect washbottle - which one should I get?
A frit on the end of the pipe to break up the gas into many small bubbles helps.
You can get them m ... |
8-7-2021 at 08:52
by: unionised |
Easiest / Single Multi-Purpose Dessicant?
[rquote=662565&tid=157684&author=Bedlasky]Manganese sulfate is cheap and can be easily dehyd ... |
7-7-2021 at 10:34
by: unionised |
thermoelectric cooling bath
[rquote=662493&tid=157673&author=SWIM]
But a couple of blocks of 'blue ice' in water in a ... |
6-7-2021 at 04:02
by: unionised |
Extraction of gallic acid
Just a quick thought: does "expose in the moistened condition for six weeks." involve a fermentation ... |
2-7-2021 at 15:55
by: unionised |
What do you consider as the most exotic element ?
The next one. |
2-7-2021 at 09:57
by: unionised |
Storing chemicals and ordinary refridgerators and freezers
Lab fridges and freezers are modified by moving the switching part of the thermostat outside the cha ... |
2-7-2021 at 00:02
by: unionised |
foaming Borax!
If you heat borax, it foams.
It always did.
I'm not sure why this is being labeled as "unexpected" ... |
29-6-2021 at 06:05
by: unionised |
Iodine from tincture
I'd be tempted to add a reducing agent- steel wool, bisulphite- whatever- until the iodine was all r ... |
29-6-2021 at 04:09
by: unionised |
Depositing a layer of Cu on perlite
[rquote=662165&tid=157639&author=albatros]without chemicals.
[/rquote]
Copper is a chemica ... |
25-6-2021 at 14:59
by: unionised |
High speed chips from chiseling
[rquote=661992&tid=157630&author=zwt2][quote]the morel of the story[/quote]
[/rquote]
I se ... |
21-6-2021 at 11:41
by: unionised |
High speed chips from chiseling
I'm not sure of the date, but the tree we were dropping was an elm- it had Dutch elm disease. That s ... |
21-6-2021 at 11:37
by: unionised |
Anhydrous aluminium Chloride and more!
I seem to recall that AlCl3 is one of the chemicals you can purify by sublimation. |
10-6-2021 at 23:45
by: unionised |
so much bubbles in glass
It's obviously not ideal, but that glassware survived the thermal gradients involved in the manufact ... |
9-6-2021 at 02:57
by: unionised |
Sodium nitrite from iron oxalate and sodium nitrate
Just bear in mind that you are heating a mixture of a nitrate and a fuel. |
5-6-2021 at 09:24
by: unionised |
Making ammonium hypophosphite
Just make sure it doesn't disproportionate to phosphine, or you might be doing more expiring than yo ... |
3-6-2021 at 23:40
by: unionised |
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