All Questions
6
questions
6
votes
2
answers
844
views
Is there a simple way to distinguish grades of purity for copper metal?
Is there a simple way to distinguish different grades of fine copper purity (on a trace metal basis) that can be carried out in a small lab?
Specifically, I would like to be able to differentiate 4N, ...
9
votes
1
answer
2k
views
Gold Plating on Glass?
I am considering labware options to handle NaOH solutions at ~150 °C. One appealing idea would be to coat my current glassware with gold. I've read different sources mentioning the possibility without ...
0
votes
1
answer
1k
views
What kind of metal drums are used to store Hydrochloric Acid?
I would expect Hydrochloric Acid to be stored exclusively in glass or plastic containers, but I was surprised to find Honeywell offers it for sale in 30Kg metal drums (Link).
I think Hydrochloric ...
10
votes
1
answer
7k
views
How is aqua regia stored?
How is aqua regia stored as it dissolves all metals?
1
vote
0
answers
36
views
What is the most simple way to cut through a steel with very thin aluminum coating to obtain cross section without damaging the coating?
I needed to take cross section characterization of an aluminum coating. I tried to use a hand saw to cut through it, but it destroys the coating, and usually is separated with the substrate as I ...
3
votes
1
answer
160
views
Sodium by electrolysis through glass
In his 1926 thesis Robert Cady Burts describes the production of sodium by electrolysis of sodium nitrate through glass.
I can't find much else on this method. Are there any modern descriptions of ...