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Diffusion pump oil
Hi
At my very begginings in the high vacuum art & science, I used succesfully Butyl Phthalate.
... |
7-2-2017 at 04:47
by: Heavy Walter |
Solvent drying - molecular sieves
I would not recommend the one with cobalt indicator.
It dissolves easily.
I have seen many contami ... |
27-1-2017 at 06:26
by: Heavy Walter |
My library
Hi AvBaeyer
I would do a slight correction to your statement about pleasure:
The pleasure of pagin ... |
31-12-2016 at 03:58
by: Heavy Walter |
My library
Hi, here are some of my loved ones!
ANTIQUE SECTION
Pascal, P.
Traité de Chimie Minerale.
... |
30-12-2016 at 08:29
by: Heavy Walter |
Quartz and molten sodium nitrite
Problem solved!
My experiment is on a discharge lamp that I am trying to recover after darkening of ... |
24-12-2016 at 11:14
by: Heavy Walter |
Quartz and molten sodium nitrite
Hi Fleaker
Just H2O2? No heat? |
24-12-2016 at 06:29
by: Heavy Walter |
Quartz and molten sodium nitrite
Hi Chemetrix
Will try! |
21-12-2016 at 14:43
by: Heavy Walter |
Quartz and molten sodium nitrite
Hi Fleaker
Sodium nitrite melts under a mild flame. When molten it dissolves easily the W deposit ... |
21-12-2016 at 09:49
by: Heavy Walter |
Quartz and molten sodium nitrite
Hi Chemetix
This is the scenario: I cleaned a W deposit in a quartz window with sodium nitrite and ... |
21-12-2016 at 04:05
by: Heavy Walter |
Quartz and molten sodium nitrite
Hi
I would appreciate any reference to potential chemical attack by molten sodium nitrite to quartz ... |
13-12-2016 at 10:51
by: Heavy Walter |
vacuum pump question
Hi, as far as I can understand, the yellow sticker is what you need to remove.
The blue thing is a ... |
9-12-2016 at 17:09
by: Heavy Walter |
vacuum pump question
Hi
Basically all -or most- have 3 holes: in, out and oil refill.
As it works as a reversed compres ... |
9-12-2016 at 15:13
by: Heavy Walter |
Big Tungsten sample
Hi
My exclusive source of tungsten and molybdenum metals are damaged X-ray tubes, those with rotati ... |
30-11-2016 at 10:00
by: Heavy Walter |
Barium Animus
Dan
I can see you are already trained in glassblowing.
Great!
Certainly the self-darkening weldin ... |
27-11-2016 at 10:18
by: Heavy Walter |
Barium Animus
Dan
Quartz tubing up to 25 mm (1 mm wall) can be worked fine with oxygen/propane torch.
But prot ... |
25-11-2016 at 12:51
by: Heavy Walter |
Barium Animus
so, are you able to run a test? |
21-11-2016 at 14:55
by: Heavy Walter |
Barium Animus
I am used to work with diffusion and turbo pumps.
Also I understand that they are not always at han ... |
21-11-2016 at 13:48
by: Heavy Walter |
Barium Animus
Hi Dan
I followed your comments about the frustrating struggle to get shiny barium chunks.
What ab ... |
21-11-2016 at 13:14
by: Heavy Walter |
Inside an oxygen concentrator
Hi Sulaiman
Those oxygen generators are tricky. The normal operation includes adsorption/release ... |
11-11-2016 at 05:42
by: Heavy Walter |
Surplus sales in NY city area
Melgar
I sent you a U2U.
My trip was cancelled.
I take note of your kind comments.
Major inter ... |
14-10-2016 at 10:14
by: Heavy Walter |
Surplus sales in NY city area
Fellows
I am reposting my question, fearing wasn´t at the correct thread.
I will visit New York ... |
4-10-2016 at 06:45
by: Heavy Walter |
collect gas in a cylinder
Handling gases is tricky, mainly if you need some grade of purity.
You need to purge/evacuate your ... |
4-10-2016 at 06:41
by: Heavy Walter |
university surplus sales
Fellows
I will visit New York city by middle of October.
Somebody can suggest me for places to get ... |
19-9-2016 at 11:53
by: Heavy Walter |
Chemomix - The chemistry kitchen robot
Well... not for the amateur but the industry already has several kind of robots in the lab.
A small ... |
1-9-2016 at 10:14
by: Heavy Walter |
OTC radium
Hi bur
In case you do for the fun of the extraction chemistry, go to the U ore (many mineral club ... |
24-6-2016 at 06:03
by: Heavy Walter |
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