Sciencemadness Discussion Board
Not logged in [Login ]
Go To Bottom

[Next Page]
4A molecular sieves to remove H2O from EtOH???
Ubya and draculic acid69 - Thank you for the replies/responses!
4-6-2020 at 10:23
by: argyrium
4A molecular sieves to remove H2O from EtOH???

Hopefully a simple question to answer. I am aware that 4A molecular sieves work well to remove wat ...
3-6-2020 at 14:49
by: argyrium
Prince Rupert's primary?
It would be interesting to see what would happen if a drop was suspended in a mass of clear epoxy wi ...
29-12-2017 at 10:15
by: argyrium
Preparation of ionic nitrites
Am I the only one who spotted this error in the original post - or am I in error?

"Then i thought ...
3-10-2017 at 13:18
by: argyrium
Cleaning up aliphatic "naphtha".

Hi Sulaiman,

Thanks, will read up more before proceeding.

Regarding the base/alkaline was ...
31-5-2017 at 15:10
by: argyrium
Cleaning up aliphatic "naphtha".
Thank you PirateDocBrown and AvBaeyer. Will try a small fractional distillation in June and report b ...
30-5-2017 at 09:19
by: argyrium
Cleaning up aliphatic "naphtha".
Hello SciMadness,

I am hoping someone perhaps from the petroleum or related industry might comme ...
29-5-2017 at 19:31
by: argyrium
Graffiti Removal
Actually, one generally does not want to "dissolve" the paint, as this often will cause the pigments ...
17-4-2017 at 14:53
by: argyrium
Graffiti Removal
You have not given many details that might help with the type of offense.

Is the concrete surfa ...
16-4-2017 at 19:22
by: argyrium
Borax and PVA

Perhaps some of the confusion is in the nomenclature. PVA can mean Polyvinyl Acetate OR Poly ...
12-9-2016 at 15:24
by: argyrium
You might find this of some interest. Less to do w/ urushiol but quite a bit on the chemistry of Ur ...
21-8-2016 at 15:01
by: argyrium
Concentrated Vinegar Technology
A related patent here:[url=] ...
16-8-2016 at 10:02
by: argyrium
Electroforming is useful...
I happened upon this very interesting clip showing a recent development of a nano-Ag based "ink".

2-8-2016 at 15:47
by: argyrium
Thickeners in cleaning solutions - what are they?
I had meant to add the polyacrylic acids (e.g.Carbopol) as well.
23-7-2016 at 19:27
by: argyrium
Thickeners in cleaning solutions - what are they?
Some common thickeners are cellulose ethers. Pemulen, xanthan gum, and silicone gels are common in c ...
23-7-2016 at 18:37
by: argyrium
Sulfur mining in Indonesia
We have lots of SO2 in the air here - even on Oahu at times. Can get pretty bad.

http://weather. ...
19-7-2016 at 16:12
by: argyrium
Distillation of Paint Thinner and Parent Problems
Just a big word of caution. You do NOT want to use an open flame for this. Too great a chanc ...
5-7-2016 at 09:47
by: argyrium
Surface Area of 400–800m2/g
A "new" form of MgCO3.

Looks to be relatively easy to make if a suitable pressure vessel is on ha ...
27-4-2016 at 10:19
by: argyrium
This reminds me of a puzzle from a few years ago. A client had asked me to re-do portions of patina ...
24-4-2016 at 18:02
by: argyrium
Chlorine Dioxide bleaching of paper
I am an objects conservator and don't deal w/ paper but am pretty sure ClO2 is old technology and be ...
16-1-2016 at 12:42
by: argyrium
Safety equipment
I realize this is an old thread on gloves but just thought this site might be of help in making wise ...
5-12-2015 at 14:24
by: argyrium
expensive stupidity

Bomb Squad Called In To Remove Potentially Explosive Girl Scout Memorabilia

[url=http://denve ...
21-10-2015 at 10:53
by: argyrium
Cheap Smartphone microscope
Neat and stupid simple.

[url= ...
26-9-2015 at 00:09
by: argyrium
Yet another neat toy for the smartphone

"An affordable molecular sensor that analyzes the chemical makeup of anything"

"…….The so ...
15-4-2015 at 20:38
by: argyrium
Pigments in the art world, for love of brightly colored compounds
I use a lot of powdered pigments in my conservation work.

A good source is [url=http://www.sinopi ...
20-2-2015 at 17:50
by: argyrium
[Next Page]

  Go To Top