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NH4[BF4] synthesis question
Yesterday I did evaporation of the solution on a water bath 95C.
From time to time I covered the b ... |
5-6-2023 at 22:28
by: teodor |
NH4[BF4] synthesis question
Thanks Fery.
So, I did the first part of the experiment - dissolving H3BO3 in NH4HF2 solution.
T ... |
5-6-2023 at 03:20
by: teodor |
NH4[BF4] synthesis question
Some update (I've started the planning).
I think in the reactions like this as well as [b]HF + B ... |
5-6-2023 at 00:43
by: teodor |
NH4[BF4] synthesis question
Hi Bedlasky.
I also plan to make ammonium tetrafluoborate but by slightly different procedure:
... |
4-6-2023 at 11:48
by: teodor |
Absorption of NO2 by H2SO4
I found some information, that compound (NO)HSO4, nitrosonium hydrosulfate, is not possible to separ ... |
3-6-2023 at 00:35
by: teodor |
Absorption of NO2 by H2SO4
Oh, I also see my error.
It is not Cu(NO)[SO3]2 , because NO as a cation has the oxidation number ... |
2-6-2023 at 12:19
by: teodor |
Best way to dissolve bathroom mineral stains?
Sulfates are problem, I used pumice powder applied on a polishing disk with a drill ... I am not sur ... |
2-6-2023 at 07:43
by: teodor |
Absorption of NO2 by H2SO4
I found something written by [url=https://en.wikipedia.org/wiki/Paul_Sabatier_(chemist)]Paul Sabatie ... |
2-6-2023 at 04:04
by: teodor |
Absorption of NO2 by H2SO4
[rquote=684662&tid=159616&author=Rainwater]
Try magnesium nitrate.
$$Mg(NO_3)_2(H_2O)_2 + ... |
2-6-2023 at 02:55
by: teodor |
Absorption of NO2 by H2SO4
Woelen, when I asked my question I was unaware about basic properties of NO2. I was expecting they a ... |
2-6-2023 at 02:40
by: teodor |
Absorption of NO2 by H2SO4
Some thoughts ...
Suppose I can distill HNO3 from (NO2)HSO4 + H2SO4 mixture the same way as from ... |
1-6-2023 at 14:46
by: teodor |
Absorption of NO2 by H2SO4
I think there is a difference between concentrated H2SO4 and H2SO4 + water in regard to NO2. This is ... |
1-6-2023 at 10:22
by: teodor |
Absorption of NO2 by H2SO4
Raid, I didn't find H2SO4 absorption in the last article (I can access it by sci-hub).
I doubt abou ... |
1-6-2023 at 06:07
by: teodor |
benzyl methyl ether
No comment about benzyl methyl ether [b]yet[/b] (but I am following and quite interested) but if KH ... |
1-6-2023 at 03:26
by: teodor |
Absorption of NO2 by H2SO4
I didn't know that fact. Actually, my attempt of drying NO2 by passing through conc. H2SO4 was faile ... |
1-6-2023 at 02:50
by: teodor |
HVO3 - Vanadic acid ?
I can confirm that V2O5 from Keramikos is of relatively high purity.
It forms clear yellow solution ... |
26-5-2023 at 03:01
by: teodor |
HVO3 - Vanadic acid ?
For your purpose I think it is better to use HVO3 (V2O5 * 1..2H2O) "as is". You don't need it pure f ... |
25-5-2023 at 05:18
by: teodor |
HVO3 - Vanadic acid ?
The general practic is treating V2O5 sold by different suppliers as V2O5 + nH2O + lower V oxides + o ... |
25-5-2023 at 02:58
by: teodor |
latest glassware purchase
Yes, it is brand new Kipp's from Witeg.de. I can confirm that the quality of all components and conn ... |
11-5-2023 at 09:19
by: teodor |
latest glassware purchase
[file]98219[/file]
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11-5-2023 at 04:44
by: teodor |
Sodium thiosulfate for hydrochloric acid production
Thank you for the information about the orotic acid and its salts, I didn't know that.
I do some ... |
11-4-2023 at 06:43
by: teodor |
Sodium thiosulfate for hydrochloric acid production
[rquote=683154&tid=159458&author=Admagistr] But Cu2S,as far as I know reacts with H2SO4,how ... |
11-4-2023 at 00:18
by: teodor |
Sodium thiosulfate for hydrochloric acid production
There is much simpler route from thiosulfate to sulfuric acid - by hydrolisis of cuprous thiosulfate ... |
9-4-2023 at 13:14
by: teodor |
Sodium chromate from stainless steel and sodium percarbonate
I did such experiment once (extracting chroumium from stainless steel) but I was not satisfied with ... |
7-4-2023 at 03:12
by: teodor |
Sodium sulphide
You still need a general ventilation for the case something goes wrong.
I would recommend FEP / gla ... |
6-4-2023 at 00:48
by: teodor |
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