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Removing graphite from glass frit filter I have used pirhana on frit glass before. Came out looking brand new. Not that I think it really ma ...	11-11-2022 at 03:43 by: j_sum1
Cobalt chloride making Cobalt should react with HCl just fine. An alternative scheme would be to dissolve in nitric acid ...	8-11-2022 at 13:54 by: j_sum1
mild crack on 2L boiling flask, still safe? Probably the thermal shock of spraying caused the cracking. Time to throw it out. Unless you have ...	7-11-2022 at 19:59 by: j_sum1
Safe Space for chemistry in Germany There are a number of Germans here on the board so they will be able to give you more specific infor ...	3-11-2022 at 15:41 by: j_sum1
Vacuum fractional distillation Cow is not essential. One method is to break the vacuum between fractions. This likely means you c ...	2-11-2022 at 16:11 by: j_sum1
Reflections on the vanadium-chlorine water-splitting process I will read this more thoroughly later. Clarify for me though: This process is being proposed as ...	2-11-2022 at 15:50 by: j_sum1
Introducing me Welcome. Stick around. Have fun. So much to learn and so many generous and knowledgable people her ...	2-11-2022 at 04:49 by: j_sum1
Secret Santa and Card Exchange – has begun. [rquote=678113&tid=158934&author=B(a)P]Gosh, I would have expected a lot more than 19..... O ...	2-11-2022 at 03:25 by: j_sum1
Secret Santa and Card Exchange – has begun. Ok. Done. Sign up is now closed and U2Us have been sent out. Let the fun begin!!	1-11-2022 at 04:52 by: j_sum1
Secret Santa and Card Exchange – has begun. It is all happening! 19 participants this year -- a bit down on what it has been in the past, but i ...	31-10-2022 at 14:39 by: j_sum1
Mystery Glassware Identification Thread That last one is particularly weird. Some kind of jacketed reaction vessel. But I can't imagine wh ...	30-10-2022 at 15:07 by: j_sum1
Secret Santa and Card Exchange – has begun. Extra 24 hour to sign up. I am going to be a bit busy tonight.	30-10-2022 at 01:49 by: j_sum1
Secret Santa and Card Exchange – has begun. I will process the sign ups in about 48 hour. I notice that a few regulars have not yet signed up - ...	28-10-2022 at 02:07 by: j_sum1
Secret Santa and Card Exchange – has begun. [rquote=677973&tid=158934&author=zeroone]Sign me up for postcards please. [/rquote] Use th ...	27-10-2022 at 23:02 by: j_sum1
Stokes vs. anti-Stokes shifts. I thought it was an interesting question and not at all vague. I did not reply because I have no kn ...	26-10-2022 at 23:23 by: j_sum1
Secret Santa and Card Exchange – has begun. Yay! I finally got around to signing myself up for this. (I can excuse myself for being a bit tardy ...	26-10-2022 at 23:19 by: j_sum1
Using a(n Ag) mirror RBF to carry out reaction with fused alcali I recall reading once that a Cu mirror can be done using hydrazine. I have yet to try it.	25-10-2022 at 14:46 by: j_sum1
H2S solution for Qualitative Test FeS is pretty easy to make. For best results you need very fine iron. I have found that an excess ...	24-10-2022 at 16:04 by: j_sum1
Using a(n Ag) mirror RBF to carry out reaction with fused alcali I doubt it would be physically robust enough.	24-10-2022 at 05:54 by: j_sum1
Secret Santa and Card Exchange – has begun. You should have mentioned something to me. This has only happened a few times and it is not in the ...	23-10-2022 at 06:05 by: j_sum1
Arsenic and TCCA Maybe I am getting old and cranky and more risk-averse. But there seems to be a proliferation of sub ...	21-10-2022 at 16:25 by: j_sum1
24/29 or 24/40 Most of my glassware is cheap Chinese 24/40. I like the larger joint size because the joint is more ...	20-10-2022 at 16:23 by: j_sum1
Secret Santa and Card Exchange – has begun. [rquote=677704&tid=158934&author=arkoma] I have some mussel shells and a piece of coal fr ...	18-10-2022 at 16:53 by: j_sum1
Secret Santa and Card Exchange – has begun. Bumping this again. The window will be closing soon and I would hate for anyone to miss out.	17-10-2022 at 14:41 by: j_sum1
Bugs Eat Plastic.....yeah I guess my point is that we tend to underestimate the interconnectedness in ecosystems and there is ...	17-10-2022 at 14:39 by: j_sum1
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