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Purifying Copper Sulphate
[rquote=452020&tid=66535&author=DJF90]
This is why (process) chemists use stirring when (re ...
16-6-2016 at 12:17
by: aga
How did you first come to this forum?
Disappointment is a terrible feeling ;)
16-6-2016 at 11:35
by: aga
'Sugru': anyone any experience with this?
The 'rack' is currently occupied, so i can't test the other bits just yet.

If my results with a h ...
16-6-2016 at 11:32
by: aga
Purifying Copper Sulphate
It's just one recrystallisation, although my cock-up with the .5H[sub]2[/sub]O meant that it would n ...
16-6-2016 at 11:13
by: aga
Purifying Copper Sulphate
Woohoo ! Well done Reflux-and-Chill !

That works out at a yield of 82%, which is pretty close to ...
16-6-2016 at 09:29
by: aga
'Sugru': anyone any experience with this?
[rquote=451993&tid=66382&author=blogfast25] Do the samples snap more or less at the middle ( ...
16-6-2016 at 09:03
by: aga
Purifying Copper Sulphate
Too complicated.

Better to just make some copper sulphate from your sulphuric acid with electroly ...
16-6-2016 at 07:46
by: aga
'Sugru': anyone any experience with this?
[rquote=451612&tid=66382&author=blogfast25]Also interesting: extend to say 50 % then stop ex ...
16-6-2016 at 06:52
by: aga
'Sugru': anyone any experience with this?
Pretty sure that Lighter fluid is still available, although it's composition (here) is unknown.

I ...
15-6-2016 at 13:11
by: aga
Mine platinum from the dust next to highways
[rquote=451957&tid=66368&author=blogfast25]that's a poor starting point for testing an extra ...
15-6-2016 at 13:01
by: aga
Science bullcrap on TV
What ? You touched mercury ?!?!

You're gonna die !

Us Immortals never touch the stuff.

(ba ...
15-6-2016 at 12:27
by: aga
Mine platinum from the dust next to highways
Water.

It's an old paint bucket: the flaky bits are paint.
15-6-2016 at 11:50
by: aga
Mine platinum from the dust next to highways
Heatwave ! 41 C yesterday, and very windy.

There's about an inch left to evaporate off.

[file ...
15-6-2016 at 03:30
by: aga
Purifying Copper Sulphate
This is basically a very simple DOING project.

Please, oh please, let someone Do something for a ...
14-6-2016 at 15:08
by: aga
'Sugru': anyone any experience with this?
Thanks Crowfjord, and glad to see you again !

Petrol is now my aliphatic solvent of choice.

I ...
14-6-2016 at 13:16
by: aga
Purifying Copper Sulphate
[rquote=451841&tid=66535&author=Reflux-and-Chill]then I'm all over this project. I'll post t ...
14-6-2016 at 13:02
by: aga
Purifying Copper Sulphate
nice one elementcollector1 !

Please hold off posting results until Reflux-and-Chill gets a chance ...
14-6-2016 at 09:28
by: aga
Purifying Copper Sulphate
I'm by no means an expert, but here goes :-

Recrystallisation sounds quite easy, however the exac ...
14-6-2016 at 09:18
by: aga
Patents-flawed or followable?
Patents are as random as something you randomly find on the internet.

They might contain enough i ...
14-6-2016 at 08:37
by: aga
Purifying Copper Sulphate
Recrystallisation is THE way.

Maybe 2 or 3 times, depending on your skill, and how pure you need ...
14-6-2016 at 08:32
by: aga
'Sugru': anyone any experience with this?
What's an aliphatic solvent, apart from kerosene (which i don't have) ?

Is Aliphatic the opposite ...
14-6-2016 at 08:21
by: aga
Killing FLIES!!!! - Hunting them down for the slaughter!!!
How do you qualify this as 'Miscellaneous Chemistry' ?

It's just random insect control.

Fit sc ...
14-6-2016 at 07:29
by: aga
'Sugru': anyone any experience with this?
The cured stuff does not like being submersed in conc sulphuric or nitric for a day or two, yet neit ...
14-6-2016 at 07:13
by: aga
Odd one out
[rquote=451761&tid=66515&author=macckone]Now everyone back to the scheduled chemistry.[/rquo ...
13-6-2016 at 14:33
by: aga
Weird reaction, that produces spiky crystals.
OK. I'm getting pissed off by the utter crap now, much more so than the small quantity of entertaini ...
13-6-2016 at 14:21
by: aga
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