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Manganese cleanup and purplish smokes
Peroxide will readily oxidise Fe(ii) to Fe(iii).
30-1-2024 at 16:25
by: j_sum1
Manganese cleanup and purplish smokes
Cleaning fresh MnO2 stains off glassware can be done easily with HCl.
Your mix has a lot of H2O2. ...
30-1-2024 at 03:09
by: j_sum1
Please allow me to introduce myself...
Missed this one.
More a reflection of me having little time for this board atm.
Welcome, HomeChe ...
30-1-2024 at 02:43
by: j_sum1
Prepublications PDF conversion
Belowzero -- I am excited about this project.
I compiled a full response the other day and lost it ...
20-1-2024 at 14:06
by: j_sum1
Recrystallisation question - help me design an experiment for junior students
Thanks Phlogiston. That is effectively what I ended up with: a relatively dmall amount of copper sul ...
6-1-2024 at 22:52
by: j_sum1
Recrystallisation question - help me design an experiment for junior students
Thanks Bedalsky. That was my concern too.
I played around with it a bit this afternoon and indeed, ...
5-1-2024 at 03:48
by: j_sum1
2023 Science Madness Secret Santa – The fun begins!
Yes. I know who that was.
Awesome. I love this community.
4-1-2024 at 17:20
by: j_sum1
Recrystallisation question - help me design an experiment for junior students
Chlorates would be off the list.
Chrome alum is a good idea but I do not have any on hand to experi ...
4-1-2024 at 17:18
by: j_sum1
Recrystallisation question - help me design an experiment for junior students
[rquote=689855&tid=160082&author=Sir_Gawain]What about copper sulfate and sodium chloride? S ...
3-1-2024 at 19:15
by: j_sum1
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
[Next Page]
Sciencemadness Discussion Board
» Search
Select A Forum
Fundamentals
» Chemistry in General
» Organic Chemistry
» Beginnings
» Responsible Practices
» Miscellaneous
Engineering and Equipment
» Reagents and Apparatus Acquisition
» Electronics
» Process Engineering
» Materials and Metallurgy
Special Topics
» Analytical Chemistry
» Electrochemistry
» Energetic Materials
» Biochemistry
» Radiochemistry
» Computational Models and Techniques
Literature and Documentation
» Sciencemadness Wiki
» Prepublication
Non-science
» Forum Matters
» Legal and Societal Issues