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How to recrystallize high solubility substances?
Of course there are methods mentioned in standard preparation or purification instructions for parti ...
28-9-2020 at 03:04
by: teodor
Cobalt compounds
[rquote=644799&tid=78561&author=Bedlasky][rquote=644775&tid=78561&author=teodor]CoCl ...
23-9-2020 at 04:06
by: teodor
Amateur chemistry is putting billions at risk!
As somebody pointed it out, the great difference with academic research is motivation & directio ...
18-9-2020 at 02:05
by: teodor
Cobalt compounds
May be my experience of getting a lower hydrate of CoCl2 could be relevant to this thread.
As you k ...
18-9-2020 at 01:56
by: teodor
Life on Venus?!
[rquote=644693&tid=156162&author=DraconicAcid]You just said that the salt with sulphuric aci ...
17-9-2020 at 00:34
by: teodor
Life on Venus?!
[rquote=644584&tid=156162&author=woelen]
Phosphine is quickly destroyed, even by moderately ...
16-9-2020 at 11:45
by: teodor
Collection of bromine preps
[rquote=644428&tid=156147&author=njl]@teodor what do you mean by "All methods where Cl is pr ...
10-9-2020 at 09:29
by: teodor
Collection of bromine preps
I would separate methods at least to 2 groups:
1) Bromine seriously contaminated with Chlorine (Br ...
10-9-2020 at 08:53
by: teodor
Removing trace impurities from H2O2
[rquote=644182&tid=156117&author=VeritasC&E]
A great purification process would be prec ...
4-9-2020 at 03:17
by: teodor
Removing trace impurities from H2O2
[rquote=644146&tid=156117&author=VeritasC&E][rquote=644138&tid=156117&author=teo ...
3-9-2020 at 11:19
by: teodor
Removing trace impurities from H2O2
Could the method of purification by crystallisation with pure urea or sodium carbonate be as good as ...
3-9-2020 at 02:01
by: teodor
Pretty Pictures (2)
Ammonia gas passing above lithmus solution.
2-9-2020 at 22:11
by: teodor
Boiling Stones?
I've made some illustration what I mean by "glazed ceramic".
I was mistaken, the glaze is still the ...
2-9-2020 at 10:03
by: teodor
Boiling Stones?
Once I took a thick ceramic plate, smashed it with a hammer, selected pieces of proper size. They wh ...
2-9-2020 at 02:27
by: teodor
Removing trace impurities from H2O2
As far as I remember from this video - https://www.youtube.com/watch?v=nVAe__ToAOY
you can distil ...
2-9-2020 at 02:14
by: teodor
Molybdenum complex chemistry
So, I will put Ni CN and CNS complexes on my list of future experiments.
About working with HCN, k ...
2-9-2020 at 00:15
by: teodor
Molybdenum complex chemistry
[rquote=644058&tid=156093&author=Bedlasky]
I once made a mistake and try to reduce [MoO(NCS ...
1-9-2020 at 18:47
by: teodor
Molybdenum complex chemistry
By the way, I am experimenting now studying conditions of KSCN decomposition with Zn (HCN + H2S), ju ...
1-9-2020 at 12:47
by: teodor
Molybdenum complex chemistry
I found some study of thiosulfate-Mo complexes in this article: https://doi.org/10.1134/S10703284080 ...
1-9-2020 at 12:39
by: teodor
Molybdenum complex chemistry
I don't mean thiosulfate as reducing agent but as a complex forming agent.

I would be interested ...
1-9-2020 at 08:10
by: teodor
Evaporating bleach - what would come out?
Heating bleach NaClO produces NaCl, NaClO3 as well as gaseous O2 & Cl2 mixture going out. The re ...
1-9-2020 at 06:26
by: teodor
Molybdenum complex chemistry
I was waiting for this publication. You made a really monumental job. Now I can use it as a referenc ...
1-9-2020 at 05:30
by: teodor
Lead chloride crystals
I made some nice looking lead chloride crystals today. I already described the method of lead purifi ...
29-8-2020 at 16:04
by: teodor
Which brand is best? [glassware]
I think there are 4 components of "best":
- chemical inertness / resistance - it is important for a ...
13-5-2020 at 04:42
by: teodor
Elemental sulfur from sulfates?
[rquote=622849&tid=153772&author=Tsjerk][rquote=622804&tid=153772&author=teodor]http ...
12-5-2020 at 14:16
by: teodor
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