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Preparation of Arsenic trichloride
I am surprised to see that some people are capable of doing this type of chemistry in a home lab. I ... |
10-3-2020 at 03:32
by: woelen |
Preparation of Thalidomide
This is a good example of nice amateur organic chemistry at a good level. Nice to see this kind of r ... |
9-3-2020 at 00:09
by: woelen |
KClO3 cell continuous production
If you make potassium chlorate, then it is remarkably easy to remove the chromate/dichromate. Potass ... |
9-3-2020 at 00:06
by: woelen |
An interesting oxo-cation of chlorine: chloryl, ClO2(+)
That reaction is not for the faint of heart  Both reactants and the product are
not the most stabl ... |
8-3-2020 at 11:36
by: woelen |
An interesting oxo-cation of chlorine: chloryl, ClO2(+)
I expect that you need to add quite some ordinary H2SO4 to the orange solution before the ClO2(+) io ... |
8-3-2020 at 03:46
by: woelen |
Latest chemical order?
I ordered a very hard to obtain chemical, 150 grams of H2SeO4, 80% by weight. This is appr. 100 ml o ... |
7-3-2020 at 12:18
by: woelen |
An interesting oxo-cation of chlorine: chloryl, ClO2(+)
In one of my books I read about chlorine, being capable of forming a cationic species ClO2(+) and th ... |
5-3-2020 at 12:31
by: woelen |
A neodymium extraction (?)
Isolating Nd from a magnet is not that easily done. You get a complicated mix of all kinds of chemic ... |
4-3-2020 at 02:55
by: woelen |
Distilling Sulfuric Acid
Sulfuric acid has a very high boiling point and in my opinion is at the border of what can be done w ... |
3-3-2020 at 23:39
by: woelen |
Ceric ammonium nitrate- uses and synthesis
Yes, "persulfate" is a somewhat incorrect name, frequently used for peroxodisulfate, S2O8(2-). There ... |
3-3-2020 at 23:31
by: woelen |
Very toxic inorganic compounds
If you have a one-time opportunity to get these chemicals and you can afford them, grab them!
Even ... |
3-3-2020 at 07:44
by: woelen |
My daughter is breeding flies - and the smell is awful! Help!
Our house has no sewer roof vent. I think that there are vents somewhere in the sewer system itself, ... |
2-3-2020 at 00:02
by: woelen |
Ceric ammonium nitrate- uses and synthesis
You should not rely on an app 
If you have Ce(NO3)3, then you should not use Ce(NO3)4 in your e ... |
1-3-2020 at 23:50
by: woelen |
Sulphur candles
The easiest way to conveniently make SO2 is dripping moderately concentrated H2SO4 (e.g. 50%) on sol ... |
1-3-2020 at 03:27
by: woelen |
Ceric ammonium nitrate- uses and synthesis
Keep in mind that cerium exists in two oxidation states. Cerium(III) is colorless, cerium(IV) is yel ... |
28-2-2020 at 04:22
by: woelen |
Fusion breakthrough claimed
Interesting read, but it raises some questions. Indeed, how can a laser magnetically stabilize a pla ... |
28-2-2020 at 00:31
by: woelen |
Ceric Manganese Nitrate
This can be anything. It can be your double salt, but it also can be just a mix of manganous nitrate ... |
28-2-2020 at 00:12
by: woelen |
Need to get water out of denatured ethanol
Sodium metal should not be used, it reacts with ethanol.
You can use anhydrous MgSO4 (which can be ... |
26-2-2020 at 23:48
by: woelen |
Marsh test : classical test for arsenic detection
What you quote might be true, but then the bottle must have contained a lot of phosphate/phosphoric ... |
26-2-2020 at 23:42
by: woelen |
HCl gas generator for making (NH4)2[MoOCl5]
Interesting result and good experimentation. Nice to see your reasoning behind the experiments and h ... |
26-2-2020 at 23:25
by: woelen |
Everyday Chemistry
The thiourea does not reverse any potentials, it shifts redox potentials. In general, nearly all coo ... |
26-2-2020 at 05:31
by: woelen |
KClO3 cell continuous production
Sodium chromate definitely is hexavalent chromium! CHromate (yellow) and dichromate (orange), both a ... |
25-2-2020 at 23:55
by: woelen |
KClO4 and KClO3 in EU
[rquote=631600&tid=154935&author=phlogiston][...]
IIRC only mixtures containing chlorates a ... |
25-2-2020 at 23:36
by: woelen |
Everyday Chemistry
Concentrated ammonia only dissolves copper if also oxygen is present. The oxygen oxidizes the copper ... |
25-2-2020 at 23:34
by: woelen |
Marsh test : classical test for arsenic detection
That would be an interesting test. Just put a little of the acid in a test tube and add some zinc me ... |
25-2-2020 at 23:27
by: woelen |
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