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Why are contactless IR thermometers limited to 500oC ?
A camera as a temperature probe ?
How do you do that ? |
28-10-2010 at 13:15
by: metalresearcher |
Why are contactless IR thermometers limited to 500oC ?
Not exactly chemistry related but temperature measuring equipment for the lab.
I got a contactles ... |
28-10-2010 at 03:06
by: metalresearcher |
Electronic gadgets contain 43 elements is that true ?
@12AX7 Yes, really !
For semiconductor dopants you forgot Al (same group als Ga and In) but is a ... |
27-10-2010 at 11:23
by: metalresearcher |
Electronic gadgets contain 43 elements is that true ?
According to press sources electrocic gadgets (smartphones, mp3 players, laptops, etc.) contain a lo ... |
26-10-2010 at 22:48
by: metalresearcher |
Preparation of elemental phosphorus
A graphite crucible is what I use for melting metals. But for other things such as distilling off P4 ... |
26-10-2010 at 06:16
by: metalresearcher |
Preparation of elemental phosphorus
[rquote=191211&tid=65&author=blogfast25]Roger:
Propane is still an option but propane furna ... |
26-10-2010 at 06:08
by: metalresearcher |
Al + NaOH reacts slowly
According to this video
http://www.youtube.com/watch#!v=yh7SKa18EH0
NaOH reacts with aluminum. ... |
25-10-2010 at 11:47
by: metalresearcher |
Steel retort design for making Na metal for review
I already saw this vid, and tried it with Mg filings and NaOH which I put into a 2.5cm diameter and ... |
24-10-2010 at 00:35
by: metalresearcher |
First attempt to electrolyze NaOH
Finally I attempted to electrolyze NaOH . I saw sodium forming but could not collect it yet.
[url= ... |
23-10-2010 at 06:29
by: metalresearcher |
Steel retort design for making Na metal for review
@peach: thanks.
I found some online shops who sell discardable Ar cylinders and pressure regulato ... |
19-10-2010 at 23:12
by: metalresearcher |
Steel retort design for making Na metal for review
Not for throwing it into the pond or other uses for that I can buy it you are riight.. It is just fo ... |
19-10-2010 at 07:24
by: metalresearcher |
Steel retort design for making Na metal for review
The sodium and air make an explosive mixture you mean ?
Anyway wilh new attempts I'll stick to th ... |
19-10-2010 at 05:05
by: metalresearcher |
Steel retort design for making Na metal for review
@peach:
I want to keep the collector outside the furnace and out of reach of flames, etc. possibly ... |
19-10-2010 at 03:04
by: metalresearcher |
How can I change Graphite (carbon) to CO2?
Just burn it.
|
19-10-2010 at 00:07
by: metalresearcher |
Steel retort design for making Na metal for review
So I am still working on this but want to capture the Na metal in a different way, no oil but an emp ... |
18-10-2010 at 12:46
by: metalresearcher |
No one else tried this actually
Seven years later ..... (last post in this thread was in 2003)
Nice posts it turns out that there ... |
18-10-2010 at 12:40
by: metalresearcher |
How to get type S thermocouple readout ?
[rquote=190536&tid=14682&author=Magpie]
Look at the specs on this:
http://cgi.ebay.com/P ... |
18-10-2010 at 03:40
by: metalresearcher |
Sodium metal - Illustrated Practical Guide
@len1, nearly three years after your post about your Castner's ceel replica I find this fantastic !
... |
17-10-2010 at 12:45
by: metalresearcher |
Plated cathode and anodes.
It is the *surface* what counts. So yu can use very thin Pt foil (< 0.2mm thick) and it yet durab ... |
17-10-2010 at 03:21
by: metalresearcher |
How to get type S thermocouple readout ?
For temperature measuring (e.g. metal melting) I use a Type K and Type S (Pt / PtRh 90/10) thermoco ... |
17-10-2010 at 03:10
by: metalresearcher |
How to get NaOH from household chemicals ?
@woelen, I am not a starter and have done (and still do) many other interesting things.
I have expe ... |
17-10-2010 at 03:01
by: metalresearcher |
How to get NaOH from household chemicals ?
@peach: Drain cleaner *with* Al snippets in it I am *not* going to use because of the violent reacti ... |
16-10-2010 at 11:16
by: metalresearcher |
Finally I got NaOH from the hardware shop
I got 2 flasks of NaOH pellets (99%, no drain cleaner) for $6 from the local hardware shop. Drain cl ... |
16-10-2010 at 02:11
by: metalresearcher |
Making sodium: electrolytical or chemical ?
In the middle of experimenting with Na2CO3 + C for making sodium I wonder whether electrolyzing lye ... |
15-10-2010 at 12:46
by: metalresearcher |
Electrical furnace elements : Pt or Ta wire instead of Kanthal ?
What about this ?
http://cgi.ebay.com/Platinum-Iridium-20-002-wire-x-10-Ten-Feet-/300305693567?pt ... |
15-10-2010 at 05:39
by: metalresearcher |
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