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What caused these salt crystals to appear
A long glass tube in the style of a fractional distillation column with some glass beads should be a ...
17-8-2019 at 20:10
by: vmelkon
Producing and handling solid sulphuric acid?
There is this page:
http://www.sulphuric-acid.com/techmanual/Properties/properties_acid_freezingpt. ...
10-8-2019 at 12:42
by: vmelkon
Calcium and chromate
Probably not. According to this video, you need a very acidic solution to make trichromate
https:// ...
3-8-2019 at 18:38
by: vmelkon
Am241 and beta radiation
Thanks guys. That explains it.
2-8-2019 at 17:52
by: vmelkon
Calcium and chromate
[rquote=619495&tid=152728&author=CELamCheng]I put some calcium nitrate into slightly acidifi ...
2-8-2019 at 12:53
by: vmelkon
Am241 and beta radiation
It would mean that Np237 turns into Pa233 which beta- decays to U233.
Is my geiger counter really d ...
2-8-2019 at 12:30
by: vmelkon
Am241 and beta radiation
I am talking about Am241 from smoke detectors.
I have not opened brand new smoke alarms. I have onl ...
2-8-2019 at 07:29
by: vmelkon
Li ion batteries same size but different capacities?
[rquote=619209&tid=152602&author=fusso]I have some LIs from 2 battery packs, they have the s ...
30-7-2019 at 16:14
by: vmelkon
Glass tubes
If you want a very hot torch that uses air instead of pure oxygen, there is this.
https://www.homed ...
23-7-2019 at 19:34
by: vmelkon
Wet ether
Maybe your diethyl ether was boiling due to the heat of the reaction.
21-6-2019 at 07:00
by: vmelkon
Motherboard RAM plastic, IDE plastic, PCI plastic
[rquote=614889&tid=150849&author=Ubya]If you just had a few motherboards it was wiser to rem ...
10-6-2019 at 18:04
by: vmelkon
Motherboard RAM plastic, IDE plastic, PCI plastic
Hello, I desoldiered some motherboards.
I placed the RAM plastic (the sockets where you insert your ...
6-6-2019 at 16:41
by: vmelkon
H2O2 as O2 source for propane/acetylene torch?
I have used a refrigerator compressor to compress hydrogen into cylinders.
It was this type of cyli ...
4-6-2019 at 15:06
by: vmelkon
Eye damage?
[rquote=612536&tid=150085&author=j_sum1]To put it in context, burning magnesium ribbon was o ...
4-6-2019 at 09:09
by: vmelkon
Making Aluminum (cuttings) for easier milling of Al powder
[rquote=613139&tid=91119&author=Sulaiman]
Cans aren't pure aluminium, always an aluminium a ...
4-6-2019 at 08:59
by: vmelkon
Copper/Lead iodide + HAc = I2?
[rquote=613272&tid=146181&author=Antiswat]yes tin chloride is 84g/100mL at 0*C
ive noticed ...
30-5-2019 at 08:29
by: vmelkon
endothermic ammonia formation, liquid ammonia?
Do you want to make liquid ammonia?
I doubt that you would be able to achieve -70*C. It would proba ...
6-5-2019 at 09:27
by: vmelkon
Reducing lead oxides with carbon/charcoal
If you want to go from PbO2 to Pb, then just make powdered charcoal. Mix with the PbO2 powder.
Then ...
3-5-2019 at 11:53
by: vmelkon
Source of Zinc found
[rquote=611301&tid=149547&author=zed]Zinc?


Current U.S. Pennies are 97.5% Zinc. Copper ...
3-5-2019 at 11:47
by: vmelkon
Source of Zinc found
I collected a few of the spark wheels from lighters (the butane kind, disposable lighters).
Like th ...
1-5-2019 at 10:29
by: vmelkon
Copper/Lead iodide + HAc = I2?
Is SnCl2 soluble in water? It sounds like it is not since tin is similar to lead or it is only sligh ...
29-3-2019 at 17:45
by: vmelkon
Chemistry with terracotta pots - what are some experiments that can be done?
[rquote=594785&tid=139027&author=Ubya]it can be used as cell membrane as you said
boiling s ...
29-1-2019 at 15:12
by: vmelkon
KOH
I'm not sure why people are recommending using Ag2O. It is an insoluble oxide and also required othe ...
1-1-2019 at 10:08
by: vmelkon
What are the minerals that dissolves in oil?
[rquote=554515&tid=105675&author=kulep]There are many tree species with milky resins, not on ...
20-11-2018 at 17:17
by: vmelkon
What are the minerals that dissolves in oil?
Can you be more specific?
You titrated? What chemical did you use?

Milk that comes out of a tree ...
20-11-2018 at 07:59
by: vmelkon
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