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What does your periodic table look like? (collection)
For the gases, I have both a small sealed bottle (which fits physically with my set, though I don't ... |
27-9-2021 at 06:07
by: pantone159 |
Sodium borohydride and Sodium azide for sale
I just got an order to the USA, and it arrived in about two weeks, which was much faster than I was ... |
1-7-2021 at 17:22
by: pantone159 |
sulfur charring?
I understood the greenish looking sulfur after melting to be the monoclinic crystal form, instead of ... |
22-6-2021 at 06:31
by: pantone159 |
Data Leak
[rquote=661283&tid=157229&author=MineMan]Seems like a good idea then to change all my passwo ... |
4-6-2021 at 09:02
by: pantone159 |
Covid vaccine results
I got my second Pfizer shot last Thursday. For both, I had a sore arm and felt a little off for a da ... |
11-4-2021 at 12:22
by: pantone159 |
Data Leak
[rquote=657157&tid=157229&author=Tsjerk]That would be a nice feature to have in a browser, w ... |
27-3-2021 at 17:12
by: pantone159 |
Data Leak
[rquote=657106&tid=157229&author=MineMan]When I logged into the site it said there was a dat ... |
27-3-2021 at 06:33
by: pantone159 |
Speculative investments in chemical elements
[rquote=656208&tid=157143&author=woelen]Storing 2 kg of Te is no issue. It is non-volatile a ... |
11-3-2021 at 18:22
by: pantone159 |
Speculative investments in chemical elements
[rquote=656196&tid=157143&author=S.C. Wack]Is the melt value of US 1-5 cent pcs. still highe ... |
11-3-2021 at 07:38
by: pantone159 |
Cheap radioisotope sources
Fwiw, I find Notepad++ to be millions of times better than Windows Notepad.
For one thing (as you s ... |
10-3-2021 at 14:46
by: pantone159 |
Speculative investments in chemical elements
[rquote=656169&tid=157143&author=itsallgoodjames]1kg of iridium for 350 euros? How?[/rquote ... |
10-3-2021 at 14:33
by: pantone159 |
Speculative investments in chemical elements
Is the Te safe to store in such large amounts? I cannot help but be reminded of the story from Pauli ... |
10-3-2021 at 13:59
by: pantone159 |
Does the island of stability really exist ?
I do not think that there any more absolutely stable isotopes: Any such would presumably have been f ... |
30-12-2020 at 15:29
by: pantone159 |
Graduate School?
I did not end up going to grad school, but the advice that I heard was to go to grad school somewher ... |
28-12-2020 at 18:56
by: pantone159 |
Chemical colour references
The card macckone mentions might be the MacBeth ColorChecker card. It is a card with 24 different co ... |
6-10-2020 at 09:11
by: pantone159 |
Chemical colour references
Darren L. Williams et. al., 'Beyond lambda-max: Transforming Visible Spectra into 24-bit Color Valu ... |
6-10-2020 at 06:49
by: pantone159 |
Nitric acid questions
I am pretty sure you need sodium NITRATE (NaNO3) not sodium NITRITE (NaNO2).
|
26-8-2020 at 06:47
by: pantone159 |
What Happened in Beirut
That picture at the door is consistent with what I read about the warehouse door being worked on ear ... |
5-8-2020 at 19:01
by: pantone159 |
Forbidden Knowledge!
[rquote=639012&tid=155647&author=Chemorg42]The "Idiot junky" recipe was a pdf book hosted on ... |
23-6-2020 at 19:23
by: pantone159 |
What are your experiences with Chemsavers? Reliable supplier for amateurs?
I have had good experiences with them, but it has been a while. I do not remember anything like $30+ ... |
14-6-2020 at 20:27
by: pantone159 |
Just bought an FTIR Spectrometer
The USB-to-serial that worked ok for me was an IOGear GUC 232A, fwiw.
None of them are perfect, I t ... |
5-6-2020 at 06:16
by: pantone159 |
Just bought an FTIR Spectrometer
[rquote=637393&tid=155503&author=XeonTheMGPony]you may have to find a few different adapters ... |
4-6-2020 at 14:03
by: pantone159 |
Nickel carbonate from Canadian nickels
I believe that most of these Canadian nickels are nearly pure Ni, without any steel plating. They we ... |
16-5-2020 at 09:12
by: pantone159 |
Melgar has died
RIP. Sad news 
|
5-5-2020 at 10:29
by: pantone159 |
Geiger counter advice please
To detect alphas, you need a detector with a thin (mica?) window. Alphas have such low penetration t ... |
17-1-2020 at 07:21
by: pantone159 |
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