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Recrystallisation question - help me design an experiment for junior students
I am hoping someone can help me with a puzzle.

As part of a suite of experiments for 11 year old ...
3-1-2024 at 16:06
by: j_sum1
** Organic chemistry glassware For Sale **
That is a very versitile looking kit. Nice.

Buyer would want a 1L mantle for those beautiful flas ...
2-1-2024 at 23:25
by: j_sum1
2023 Science Madness Secret Santa – The fun begins!
@Admagistr - did part of the package get damaged? Bummer!

Merry Christmas to all. To everyone rea ...
25-12-2023 at 00:11
by: j_sum1
2023 Science Madness Secret Santa – The fun begins!
Merry Chrismas from my house to yours.
Enjoy our [url=https://youtu.be/vT_GXMXViW4?si=LPabrBSpmN0Lr ...
22-12-2023 at 02:28
by: j_sum1
Titanium dioxide
Not useless. TiO2 has an abundance of uses, mostly as a pigment. But it is inert.

I bought some f ...
18-12-2023 at 01:57
by: j_sum1
2023 Science Madness Secret Santa – The fun begins!
[rquote=689406&tid=159902&author=violet sin]U2U to head elf failure again, so.. parcel went ...
12-12-2023 at 14:18
by: j_sum1
Melting tellurium powder
I would be hesitant to heat a sealed ampoule. Gas expansion could ruin your sample.

Easier to nec ...
11-12-2023 at 16:13
by: j_sum1
Concentrating Sulfuric Acid through Boiling
I encourage you to search for posts by ave369. She became quite the expert at this process - which s ...
5-12-2023 at 04:19
by: j_sum1
Sciencemadness comment box!
Send me an email.
jsum1scimad@gmail.com
4-12-2023 at 16:49
by: j_sum1
Whats the impurity?
Oxalic acid will precipitate iron as iron(II) oxalate dihydrate. Roasting tgis will give you finely ...
3-12-2023 at 17:31
by: j_sum1
Relative number of moles
I will add that there are ways of teaching moles that are really confusing. Poorly phrased questions ...
1-12-2023 at 15:07
by: j_sum1
2023 Science Madness Secret Santa – The fun begins!
Package arrived today. It took a slightly circuituous route due to a random digit inserted in the ad ...
29-11-2023 at 23:14
by: j_sum1
ITER: A useful nuclear fusion experiment or a waste of money ?
My view is that fusion, or more specifically reaching break-even harnessed energy is unlikely to eve ...
28-11-2023 at 22:43
by: j_sum1
2023 Science Madness Secret Santa – The fun begins!
Nicely done, Madhatter.
All I can say is, if I ever visit Maine, I'm coming in summer.
23-11-2023 at 13:36
by: j_sum1
Fun with wool?? Ideas???
Ok. This project has gone to the back-burner for now. I have two dozen test tubes sitting on my lab ...
21-11-2023 at 17:17
by: j_sum1
Anyone go to university chemistry seminars? Or view chem department profiles?
I didn't know the question was a personal one. I certainly would not interpret responses that way.
...
21-11-2023 at 16:32
by: j_sum1
Notice: Subforum reorganization
You are still talking about isotopes and their radiation properties.
Radiochemistry is the most app ...
21-11-2023 at 02:10
by: j_sum1
2023 Science Madness Secret Santa – The fun begins!
Likewise.
Packaged up and ready for the post this afternoon.
20-11-2023 at 12:57
by: j_sum1
Devardas alloy making.
I believe i have a jar with 30g in it. I will need to check when I get home.
U2U if you want to mak ...
15-11-2023 at 15:16
by: j_sum1
The Short Questions Thread (4)
Mmm.
I am always a bit concerned when someone who can't balance an ionic formula starts playing aro ...
12-11-2023 at 22:28
by: j_sum1
The Short Questions Thread (4)
[rquote=688532&tid=25055&author=FableP]I'm planning a HiPEP project. It looks like BaNO3 mig ...
12-11-2023 at 20:37
by: j_sum1
On the heating of Arsenic in H2SO4
This just seems like a disaster on so many fronts.
The scale is ridiculous.
As is seriously nasty ...
10-11-2023 at 16:10
by: j_sum1
2023 Science Madness Secret Santa – The fun begins!
I sent a U2U explaining why you are not registered this time around.
That has not changed.
Join in ...
9-11-2023 at 10:48
by: j_sum1
Disinfection of rainwater
In my lab I use rainwater straight from the tap for most things. I know it has crap in it but level ...
7-11-2023 at 18:33
by: j_sum1
2023 Science Madness Secret Santa – The fun begins!
Hey all.
Now the fun gets to start.

Registration has now closed. Sorry if you missed out.
Allo ...
4-11-2023 at 17:54
by: j_sum1
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