Difference between revisions of "Talk:2514: Lab Equipment"

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(Annealing and Tempering)
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=== Annealing and Tempering ===
 
=== Annealing and Tempering ===
 
Annealing and tempering are used in wider contexts than chocolate and glass, specifically  both copper and iron can be annealed and tempered (and most of their alloys). for more information  a good place to start is a knife making video where you anneal the knife and then harden  just the edge before final sharpening.[[Special:Contributions/108.162.221.191|108.162.221.191]] 18:09, 12 September 2021 (UTC)
 
Annealing and tempering are used in wider contexts than chocolate and glass, specifically  both copper and iron can be annealed and tempered (and most of their alloys). for more information  a good place to start is a knife making video where you anneal the knife and then harden  just the edge before final sharpening.[[Special:Contributions/108.162.221.191|108.162.221.191]] 18:09, 12 September 2021 (UTC)
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:I don't even know where the glass thing came from. I thought a perfectly good link to annealing (definitely including metal, it even says this in the bit I wrote) might be over-explaining what ''might'' be related to chocolate tempering, and then suddenly we're talking about glass which is ''far'' more complicated (just ask Prince Rupert). But that's amorphous solids for you, right..? [[Special:Contributions/141.101.107.115|141.101.107.115]] 23:14, 12 September 2021 (UTC)
  
 
=== Cloudflare ===
 
=== Cloudflare ===

Revision as of 23:14, 12 September 2021

What kind of lasers are used in mass spectroscopy? 172.70.110.173 10:58, 11 September 2021 (UTC)

SFAIK, none. Electron beams can be used, but not sure laser-ablation is a big thing in this subfeld. So I just edited that detail out and added what a plain (i.e. light) spectrometer is. (More likely, this being a laser-lab perhaps making use of novel materials, not a primarily materials-analysis one)
Any actual Laser Lab-Persons reading this might know otherwise, of course, if they can stop melting things for fun and bother to explain things to us... 162.158.158.88 18:09, 11 September 2021 (UTC)
https://en.wikipedia.org/wiki/Matrix-assisted_laser_desorption/ionization#Laser I don't know any other uses for lasers in mass spectroscopy, but MALDI (Matrix-Assisted Laser Desorption Ionization) is commonly used in biochemistry and polymer chemistry (and chemistry of any other fragile macromolecule) to ionize molecules in the sample without breaking (fragmenting) them. It is called a "soft" ionization method due to it's propensity to leave the ions in one piece - something shared with ElectroSpray Ionization (ESI), which is commonly used for same purposes, but doesn't use lasers. 162.158.88.21 20:15, 11 September 2021 (UTC)
So, yeah, your link says that lasers are used for ionization (I think of large molecules?) prior to mass spectrometry. The information removal would have been in error. 108.162.219.123 20:59, 11 September 2021 (UTC) (addendum:unless mass spectrometers don't look like the drawing?)
Why are we even assuming "mass spectroscopy" when it's just a "spectrometer" mention, in the context of laser-light research? If it's not the obvious (to me) application, it could be one of many other disparate developments. 141.101.107.247 21:52, 11 September 2021 (UTC)
Sorry, that was my fault, I was the one who put "mass spectrometer." This is why we have multiple editors.172.69.22.13 00:39, 12 September 2021 (UTC)

Annealing and Tempering

Annealing and tempering are used in wider contexts than chocolate and glass, specifically both copper and iron can be annealed and tempered (and most of their alloys). for more information a good place to start is a knife making video where you anneal the knife and then harden just the edge before final sharpening.108.162.221.191 18:09, 12 September 2021 (UTC)

I don't even know where the glass thing came from. I thought a perfectly good link to annealing (definitely including metal, it even says this in the bit I wrote) might be over-explaining what might be related to chocolate tempering, and then suddenly we're talking about glass which is far more complicated (just ask Prince Rupert). But that's amorphous solids for you, right..? 141.101.107.115 23:14, 12 September 2021 (UTC)

Cloudflare

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...popover on the page. Didn't seem to stop me editing/previewing. Is it in response from all the (other) Cloudflare errors we've been getting recently, someone activiting a safety-net? 162.158.158.88 18:09, 11 September 2021 (UTC)