Talk:Spectroscopy

Physics High‑importance

	Physics portal This article is within the scope of WikiProject Physics, a collaborative effort to improve the coverage of Physics on Wikipedia. If you would like to participate, please visit the project page, where you can join the discussion and see a list of open tasks.PhysicsWikipedia:WikiProject PhysicsTemplate:WikiProject Physicsphysics
High	This article has been rated as High-importance on the project's importance scale.

Chemistry Top‑importance

	This article is within the scope of WikiProject Chemistry, a collaborative effort to improve the coverage of chemistry on Wikipedia. If you would like to participate, please visit the project page, where you can join the discussion and see a list of open tasks.ChemistryWikipedia:WikiProject ChemistryTemplate:WikiProject ChemistryChemistry
Top	This article has been rated as Top-importance on the project's importance scale.

Astronomy Top‑importance

	Astronomy portal This article is within the scope of WikiProject Astronomy, which collaborates on articles related to Astronomy on Wikipedia.AstronomyWikipedia:WikiProject AstronomyTemplate:WikiProject AstronomyAstronomy
Top	This article has been rated as Top-importance on the project's importance scale.

Color

	This article is supported by WikiProject Color, a project that provides a central approach to color-related subjects on Wikipedia. Help us improve articles to good and 1.0 standards; visit the wikiproject page for more details.ColorWikipedia:WikiProject ColorTemplate:WikiProject Colorcolor
???	This article has not yet received a rating on the project's importance scale.

Technology

This article is within the scope of WikiProject Technology, a collaborative effort to improve the coverage of technology on Wikipedia. If you would like to participate, please visit the project page, where you can join the discussion and see a list of open tasks.TechnologyWikipedia:WikiProject TechnologyTemplate:WikiProject TechnologyTechnology

To-do list for Spectroscopy: edit · history · watch · refresh · Updated 2004-08-09

Restructure according to guidelines in Wikipedia:WikiProject Science, ie. :
- start with 2 or 3 paragraphs for the general public, using daily life examples
- explain the applications of spectroscopy. In particular, explain its importance in the development of physics and many other sciences
- present the different techniques and their classifications
- detail the history

Priority 2

This page has archives. Topics inactive for 365 days are automatically archived 1 or more at a time by Lowercase sigmabot III if there are more than 5.

SPR

My wife, a biochem major, was looking for a definition of SPR spectroscopy here, but didn't find one. Is it under a different name, or does it need to be added to the article? Jwrosenzweig 01:32, 9 Mar 2005 (UTC)

Thermal spectral smear?

If a substance is sufficiently hot, will the thermal-kinetic energy of its component atoms smear out its spectral lines? However, according to Boltzmann_distribution#typical speed, a gas would have to be circa 1e15 K for this to be a significant problem, at which point the gas will not be an ideal gas. CS Miller 19:25, July 13, 2005 (UTC)

External links modified (January 2018)

Hello fellow Wikipedians,

I have just modified one external link on Spectroscopy. Please take a moment to review my edit. If you have any questions, or need the bot to ignore the links, or the page altogether, please visit this simple FaQ for additional information. I made the following changes:

Added archive https://archive.is/20130418233543/http://spectroscopyonline.findanalytichem.com/spectroscopy/article/articleDetail.jsp?id=381944&sk=&date=&pageID=1 to http://spectroscopyonline.findanalytichem.com/spectroscopy/article/articleDetail.jsp?id=381944&sk=&date=&pageID=1

When you have finished reviewing my changes, you may follow the instructions on the template below to fix any issues with the URLs.

This message was posted before February 2018. After February 2018, "External links modified" talk page sections are no longer generated or monitored by InternetArchiveBot. No special action is required regarding these talk page notices, other than regular verification using the archive tool instructions below. Editors have permission to delete these "External links modified" talk page sections if they want to de-clutter talk pages, but see the RfC before doing mass systematic removals. This message is updated dynamically through the template {{source check}} (last update: 5 June 2024).

If you have discovered URLs which were erroneously considered dead by the bot, you can report them with this tool.
If you found an error with any archives or the URLs themselves, you can fix them with this tool.

Cheers.—InternetArchiveBot (Report bug) 23:43, 21 January 2018 (UTC)

Titanium dioxide food additive to powdered sugar

It might be interesting and informative to add some commentary about how absorption and emission spectroscopy is utilized in food additives, such as the spectra of titanium dioxide (photo) which is added to powdered sugar for doughnuts due to the emission spectra which makes white powdered sugar adopt a "glow" attribute when added.

The use of such additives can be controversial (Dunkin doughnuts) but it is still a multi-billion dollar (globally) application of spectroscopy utilized in corporate science labs to make foods appealing and to acquire an economic advantage utilizing science -- and human behavioral psychology. SoftwareThing (talk) 18:59, 7 September 2018 (UTC)

There is a sentence about, "Measurement of different compounds in food samples by absorption spectroscopy both in visible and infrared spectrum". Praemonitus (talk) 16:02, 21 January 2026 (UTC)

Image: High resolution spectrum of the Sun

Can anyone explain the image: High resolution spectrum of the Sun, showing the discrete line pattern created by elements in the stellar atmosphere? I understand the bands in spectrographs to be colors, not pass diagonally through single colors. OzExplorer (talk) 14:31, 26 January 2026 (UTC)

Related Articles