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Hey, welcome back!

This sounds like a good idea for now. I hope things are well with you.
19-9-2019 at 11:26
by: WGTR
water additive to stop mosquitoes
Maybe a tiny bit of copper sulfate?

https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4640347/

It s ...
18-8-2019 at 18:03
by: WGTR
How to fix date format?
Fusso, try yy-m-d instead. It seems to work for me. It displays “19-mm-dd” this way.

[Edited o ...
18-8-2019 at 14:45
by: WGTR
Metal Pot on Ceramic Hotplate
It’s because the metal container will not be flat enough to make full contact with the hot plate o ...
15-8-2019 at 18:44
by: WGTR
How to attach different diameter pump to a condenser?
Take a look at this post:

https://www.sciencemadness.org/whisper/viewthread.php?tid=84800&got ...
29-7-2019 at 10:25
by: WGTR
Concentrating H2SO4 without distillation (with flask ans some PTFE )
Here is a document that explains permeabilities of different materials to water, and gives a general ...
27-7-2019 at 16:07
by: WGTR
Concentrating H2SO4 without distillation (with flask ans some PTFE )
The first thing I suggest is trying this, but with water only, no acid. Measure how fast the water ...
27-7-2019 at 13:17
by: WGTR
Concentrating H2SO4 without distillation (with flask ans some PTFE )
Interesting. What is the width of your tape? Does it cover the mouth of the flask in one piece? T ...
27-7-2019 at 06:56
by: WGTR
Reusing instant cold packs > Development of green air conditioner
For those who are interested in staying cool, dew point is actually more important than regular dry- ...
24-7-2019 at 19:29
by: WGTR
Reusing instant cold packs > Development of green air conditioner
Pyro, this sounds like the kind of project that you would like:

https://www.youtube.com/watch?v=R ...
23-7-2019 at 12:08
by: WGTR
Vacuum Oven vs Kiln for Molecular Sieve Drying
Since you mentioned using nitrogen gas, if you have a house supply of dry nitrogen (some labs have i ...
11-7-2019 at 08:37
by: WGTR
How to dissolve wood?
I’d suggest putting it in an oven and letting it dry out. If it swells in water, then without wat ...
1-7-2019 at 15:05
by: WGTR
Any way to prepare anhydrous ZnCl2 without using gaseous Cl2 or HCl?
I was wondering if heating with ammonium chloride would do the trick. Here is a document referencin ...
12-6-2019 at 15:48
by: WGTR
Reactive solvent for zinc galvanized coating
[rquote=614800&tid=150906&author=chloric1]I was considering neutralizing muriatic acid with ...
9-6-2019 at 14:18
by: WGTR
Tourist/sightseeing places related to chemistry
This looks like a fun place to visit:

https://www.environment.no/topics/the-cultural-heritage/wor ...
21-5-2019 at 14:59
by: WGTR
What to do with a bottle of 60% HF?
Are you aware of the special hazards that this material possesses? Burns are not immediately obviou ...
21-5-2019 at 01:56
by: WGTR
Sourcing metals
Some of the larger boating supply stores will sell some magnesium anodes. I got a small one from We ...
20-4-2019 at 10:04
by: WGTR
Unable to concentrate nitric acid to 68%
[rquote=609447&tid=147593&author=nimgoldman]
But this is problematic, since the dilute sulf ...
19-4-2019 at 10:17
by: WGTR
Sodium metal through ion glass migration
Sodium has a lower density in the liquid state, so I guess it depends how full the sealed vessel is. ...
17-4-2019 at 06:43
by: WGTR
Sodium metal through ion glass migration
The bulb that I cracked was actually damaged by a blob of molten sodium running down the tube to the ...
16-4-2019 at 18:27
by: WGTR
Sodium metal through ion glass migration
Yes, I have done this thing before. You need to use light bulbs that have a vacuum, as opposed to o ...
16-4-2019 at 06:43
by: WGTR
Lead electrolysis (To purify lead metal)
With a lead anode you can dissolve lead electrolytically in sulfamic acid, but it won't react with i ...
11-4-2019 at 12:18
by: WGTR
Lead electrolysis (To purify lead metal)
I figure to mention that soluble lead salts are extremely toxic and should not be poured down the dr ...
11-4-2019 at 10:00
by: WGTR
Unable to concentrate nitric acid to 68%
From the book, boiling down an approximately 35% solution of nitric acid down to half its volume sho ...
11-4-2019 at 07:40
by: WGTR
Unable to concentrate nitric acid to 68%
There is a book in the Sciencemadness library entitled the “Absorption of Nitrous Gases”. Page ...
11-4-2019 at 07:30
by: WGTR
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