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Proposed posting convention for dealing with AI
I agree with j_sum1. Making it explicit that the text is a copy of AI-generated text in a clearly vi ... |
13-7-2023 at 00:57
by: woelen |
Selenium polycations
I have done similar experiments, with Te, Se and S. This indeed is very interesting chemistry: https ... |
11-7-2023 at 23:58
by: woelen |
Higher oxidation states in aqueous solution
You can make silver(III) compounds from AgNO3 and a peroxodisulfate, e.g. Na2S2O8. This gives brown ... |
27-6-2023 at 22:44
by: woelen |
Are you guys using ChatGPT
It indeed is a matter of training data. In theory we could make an AI, which would be amazing at che ... |
22-6-2023 at 05:52
by: woelen |
Decomposing methyl iodide
Is it only a few grams? I would suggest going outside in the wind, pouring all of your liquid on a ... |
14-6-2023 at 23:27
by: woelen |
The odour of death...
Be careful, you are too valuable for sciencemadness  |
7-6-2023 at 23:18
by: woelen |
The odour of death...
One way to stay safe is to lookup total dangerous doses for certain compounds and making these compo ... |
7-6-2023 at 04:29
by: woelen |
NH4[BF4] synthesis question
The ion BF4(-) is quite stable in water, but there is some hydrolysis.
The H3BO3 I have is quite p ... |
6-6-2023 at 02:15
by: woelen |
Absorption of NO2 by H2SO4
Both NO(+) and NO2(+) are strongly oxidizing. They contain nitrogen in oxidation states +3 and +5.
... |
6-6-2023 at 02:08
by: woelen |
NH4[BF4] synthesis question
I'm not sure about purity of OTC H3BO3 (e.g. it is used for killing ants, it also is used for certai ... |
5-6-2023 at 23:37
by: woelen |
Absorption of NO2 by H2SO4
[rquote=684675&tid=159616&author=teodor]Oh, I also see my error.
It is not Cu(NO)[SO3]2 , ... |
5-6-2023 at 23:24
by: woelen |
Absorption of NO2 by H2SO4
If NO(+) and NO2(+) are formed, doesn't that perfectly fit your observations? The deep blue complex ... |
1-6-2023 at 23:34
by: woelen |
Potassium permanganate from manganese dioxide, potassium hydroxide and potassium chlorate (as oxidising agent).
Very good write-up. You started from very mundane reagents, even the KClO3 is made from simple reage ... |
30-5-2023 at 09:30
by: woelen |
HVO3 - Vanadic acid ?
In my experience, V2O5 can be obtained in quite a pure state from pottery suppliers. The latest samp ... |
25-5-2023 at 11:20
by: woelen |
Bromide salt prices
Yes, S3 is easy to deal with. Communication is in English.
They have different shop categories of ... |
24-5-2023 at 01:26
by: woelen |
hydrofluoric acid, storage, hazards and usefulness?
I indeed have some HF (40% by weight) and it stores fairly well. It is less of an issue than 36% HCl ... |
23-5-2023 at 01:25
by: woelen |
Bromide salt prices
I agree with Fery. S3 has good service. I have ordered a few times from them. I indeed had to send a ... |
22-5-2023 at 09:47
by: woelen |
Bromide salt prices
S3 chemicals: 1 kg of 99.5% KBr is 20 euros.
NaBr has more bromine in it per kg of solid. Laborat ... |
21-5-2023 at 10:34
by: woelen |
Anyone here with a working AMD Radeon PRO VII?
I'm doing mathematical research on solving polynomial and semi-polynomial equations and about the di ... |
21-5-2023 at 10:20
by: woelen |
Anyone here with a working AMD Radeon PRO VII?
I purchased a used AMD Radeon PRO VII video adapter from eBay, for just appr. EUR 500 (normal price ... |
20-5-2023 at 11:19
by: woelen |
Ascorbic acid smell when boiled with chlorate
Here follows an experiment I did several years ago with NaClO3 and conc. HCl: https://woelen.homesci ... |
9-5-2023 at 23:31
by: woelen |
Ascorbic acid smell when boiled with chlorate
Working with mixtures of strong oxidizers and fuels (reductors) always has a certain risk associated ... |
9-5-2023 at 10:26
by: woelen |
Ascorbic acid smell when boiled with chlorate
Try leaving out the ferric oxide and use dry material. Do NOT use more than a few hundreds of mg. Ig ... |
4-5-2023 at 23:06
by: woelen |
Help identifying these metal ions
The floating on top is most likely due to difference in density. If you have miscible liquids, but o ... |
2-5-2023 at 09:42
by: woelen |
Dry Si+KMnO4=?
I agree that there is a good chance that some oxygen is formed, but this is a loss of energy. Oxygen ... |
1-5-2023 at 05:26
by: woelen |
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