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Rare And Interesting Products For Sale.
hi, there are some rare and interesting tubes for sale.
This is a large, unused powerful X-ray ... |
30-9-2023 at 04:30
by: vano |
Osmium chemistry
it is necessary to use exec thionyl chloride I think, it is an osmium oxide hydrate, so ill remove w ... |
2-11-2022 at 00:54
by: vano |
Osmium chemistry
tetrachloride doesn't sublime. so when the reaction is finish, ill remove all gases with a vacuum. |
1-11-2022 at 07:12
by: vano |
Osmium chemistry
I don't want to work with aqueous solutions, I want anhydrous tetrachloride to make organometallics ... |
1-11-2022 at 01:05
by: vano |
Osmium chemistry
yes of course. but I want to work with tetravalent osmium. I will reduce it with thionyl chloride an ... |
30-10-2022 at 05:32
by: vano |
Heteropolymetalates
ammonium nonanmolybdatomanganate - (NH4)6[MnMo9O32]*nH2O
[file]95295[/file] |
29-10-2022 at 00:57
by: vano |
Heteropolymetalates
Thank you! |
24-10-2022 at 09:08
by: vano |
Cesium hexafluorozirconate - Cs2[ZrF6]
one chemist found info for me about sulfatozirconate complexes of alkali metals in an old book. so a ... |
15-10-2022 at 10:12
by: vano |
Cesium hexafluorozirconate - Cs2[ZrF6]
thank you! I didn't think that. I know that Zr, Nb, and such metals alkali fluoro complexes are inso ... |
14-10-2022 at 11:06
by: vano |
Arsenic compounds from ore
I started to make much purer arsenate. here is MgNH4AsO4 which is insoluble arsenate. I precipitated ... |
12-10-2022 at 08:03
by: vano |
Cesium hexafluorozirconate - Cs2[ZrF6]
Hello! I made cesium hexafluorozirconate. first, I started with zirconium metal. I was surprised bec ... |
12-10-2022 at 07:45
by: vano |
Heteropolymetalates
12-Molybdic Acid-1-Arsenate - H3[AsO4(Mo3O9)4] *nH2O
(Brauer - p. 1734)
[file]95117[/file]
... |
10-10-2022 at 09:03
by: vano |
Arsenic compounds from ore
undissolved silicate mineral particles.
[file]95112[/file] |
10-10-2022 at 00:03
by: vano |
Arsenic compounds from ore
first, it was almost sulfide. solution of arsenic acid was clear and transparent. then I neutralized ... |
8-10-2022 at 12:40
by: vano |
I want to exchange chemicals.
Hello! I want to exchange some chemicals. I have a lot and most of them are interesting and useful. ... |
8-10-2022 at 08:33
by: vano |
Arsenic compounds from ore
[url=https://www.instagram.com/tv/Cjc5DBUs-Nz/?utm_source=ig_web_copy_link]Video of dissolving orpim ... |
8-10-2022 at 03:46
by: vano |
Arsenic compounds from ore
I used 20 g of orpiment mineral. First i made arsenic acid, then ammonium arsenate trihydrate and 12 ... |
7-10-2022 at 03:55
by: vano |
Grow insoluble selenite crystals
this was the first experiment, it contained some carbonate, I added much more than it needed I think ... |
5-10-2022 at 10:18
by: vano |
Grow insoluble selenite crystals
Hello! a few days ago I grow some crystals of copper selenite dihydrate. as I remember solubility of ... |
5-10-2022 at 09:09
by: vano |
Arsenic compounds from ore
yes, slow reaction. with nitric acid, it is way faster. |
5-10-2022 at 08:49
by: vano |
Arsenic compounds from ore
[rquote=677329&tid=158959&author=Lionel Spanner]Apparently, if you're after arsenic trioxide ... |
4-10-2022 at 11:45
by: vano |
Arsenic compounds from ore
[rquote=677325&tid=158959&author=Fery]vano you are lucky... woelen and me bought the ore fro ... |
4-10-2022 at 11:40
by: vano |
Arsenic compounds from ore
Hello. I had good ore of arsenic from the mountainous region of Caucasia and today I removed sulfide ... |
4-10-2022 at 08:47
by: vano |
Pretty Pictures (2)
CrO3 accident at homelab
[file]94984[/file] |
30-9-2022 at 09:55
by: vano |
Dissolving Uranium metal in nitric acid.
longer video:
https://www.youtube.com/shorts/Cl5I_udG25c
[Edited on 27-9-2022 by vano] |
27-9-2022 at 06:21
by: vano |
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