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burnt through steel crucible? Are you -absolutely- sure it was really tin, and the copper wire wasn't any sort of copper-coated li ... |
13-3-2024 at 06:42 by: phlogiston |
Recrystallisation question - help me design an experiment for junior students Recrystallisations are most commonly performed to purify compounds (ie reduce the amount of one or s ... |
6-1-2024 at 16:13 by: phlogiston |
Recrystallisation question - help me design an experiment for junior students potassium chlorate and potassium chloride maybe?
Potassium chlorate crystalizes easily and quickl ... |
4-1-2024 at 14:50 by: phlogiston |
UV-Vis spectrometer Its not very well suited for identifying organic chemicals in general.
Its an excellent technique/i ... |
1-12-2023 at 16:00 by: phlogiston |
What does this abbreviation mean? "Jahrbücher" is plural, it might help a bit to use the singular "Jahrbuch".
A quick test turns u ... |
10-10-2023 at 02:29 by: phlogiston |
Radium extraction from watch hands [quote]I know I lack chemistry notions, also if you can suggest somewhere to start studying it, its ... |
2-10-2023 at 14:36 by: phlogiston |
Radium extraction from watch hands Not a native speaker either, but my understanding is that:
melting = heating a material so that its ... |
1-10-2023 at 13:15 by: phlogiston |
Radium extraction from watch hands [rquote=687690&tid=159883&author=Sir_Gawain]Would nitric acid dissolve radium sulfate? I tho ... |
30-9-2023 at 13:05 by: phlogiston |
Radium extraction from watch hands I think Telyron was planning to use the strontium to practice/test the procedure with. Sr chemistry ... |
30-9-2023 at 05:46 by: phlogiston |
Finding small amounts of Plutonium or U235? I don't think we're having this discussion to actually help the allegedly superintelligent billionai ... |
30-9-2023 at 03:17 by: phlogiston |
Finding small amounts of Plutonium or U235? In the video, they conveniently started with plutonium nitrate solution. The actual problem is how t ... |
29-9-2023 at 14:14 by: phlogiston |
Finding small amounts of Plutonium or U235? [rquote=687596&tid=159878&author=Texium][rquote=687595&tid=159878&author=beerwiz]The ... |
27-9-2023 at 01:39 by: phlogiston |
Finding small amounts of Plutonium or U235? I still can't tell whether you are trolling or not, so good job there if you are. It's a useless thr ... |
26-9-2023 at 07:13 by: phlogiston |
Finding small amounts of Plutonium or U235? No offence, but are you serious?
What a bizarre request.
Its the combination of apparently findi ... |
24-9-2023 at 13:13 by: phlogiston |
Why is Beryllium so rare ? I think you've already described the main reason: Be-8 is unstable. As to why -that- is: probably be ... |
10-8-2023 at 12:12 by: phlogiston |
Mysterious DEET insect-repellent formulation It is not advisable to taste-test any chemical, especially not unknown ones, and es-especially not a ... |
23-2-2023 at 05:58 by: phlogiston |
worst stench One class of compounds I haven't seen mentioned yet are alkynes.
In organic synthesis classes we' ... |
4-2-2023 at 04:03 by: phlogiston |
Hacking a test tube another method is to heat the test tube where you want it to break and touch it with a cold metallic ... |
17-11-2022 at 18:07 by: phlogiston |
Lithium from Li2CO3 electrolysis ? It failed. Quote from this paper
Arcaro, Sabrina & Berutti, F.A. & Alves, Annelise & Bergmann, Car ... |
6-11-2022 at 11:55 by: phlogiston |
Introducing me Welcome from another Dutch member. Not as close to you as Woelen or Teodor, but seen in the context ... |
4-11-2022 at 07:46 by: phlogiston |
PTFE HF distillation apparatus Very impressive, and I'm glad you do this and take the time to show it of here, so we can share in t ... |
20-9-2022 at 12:12 by: phlogiston |
Barium carbonate in uranium extraction As he says @ 10:40, "But that is, of course, why I added the barium into there; it's to help pull th ... |
13-9-2022 at 12:41 by: phlogiston |
Thorium from monazite sand What mineral contains the thorium? I don't know this particular locality, but generally, the thorium ... |
12-8-2022 at 15:24 by: phlogiston |
NaCl Crystals I think the problem you may be having is that the heating element heats up some solution and it star ... |
16-3-2022 at 14:03 by: phlogiston |
Hydrogen storage on CDs: breakthrough ? It's an extremely vague article, and magnesium is not mentioned anywhere in it. They say 'nano graph ... |
27-12-2021 at 13:39 by: phlogiston |
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