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  2. Spectrophotometry - Wikipedia

    en.wikipedia.org/wiki/Spectrophotometry

    Spectrophotometry is a tool that hinges on the quantitative analysis of molecules depending on how much light is absorbed by colored compounds.

  3. Spectronic 20 - Wikipedia

    en.wikipedia.org/wiki/Spectronic_20

    Using the Bausch & Lomb Spectronic 20 Colorimeter, 1962. The Spectronic 20 is a brand of single-beam spectrophotometer, designed to operate in the visible spectrum [1] across a wavelength range of 340 nm to 950 nm, with a spectral bandpass of 20 nm.

  4. Dobson ozone spectrophotometer - Wikipedia

    en.wikipedia.org/wiki/Dobson_ozone_spectrophotometer

    Some modernized versions of Dobson spectrophotometer exist and continue to provide data. About 120 Dobsonmeters have been made, mostly by R&J Beck of London, of which about 50 remain in use today. The most famous ones are probably Nos. 31 and 51 with which Joe Farman of the British Antarctic Survey discovered the Ozone H

  5. Cite this article as - images.huffingtonpost.com

    images.huffingtonpost.com/2012-11-03-Mohaietal...

    By Paul Mohai, Byoung-Suk Kweon, Sangyun Lee, and Kerry Ard Air Pollution Around Schools Is Linked To Poorer Student Health And Academic Performance

  6. 4. Qualifications and Experience

    images.huffingtonpost.com/2013-04-08-ERM_cut.pdf

    provides full-service NEPA 4. Qualifications and Experience Throughout the U.S., ERM support to private sector clients, federal agencies, and state

  7. o o o s. c: o thO 00 - images.huffingtonpost.com

    images.huffingtonpost.com/2008-10-06-82107KGB...

    o o o s. c: o thO 00 . Created Date: 9/20/2007 3:37:18 PM

  8. Google Scholar - Wikipedia

    en.wikipedia.org/wiki/Google_Scholar

    Google Scholar is a freely accessible web search engine that indexes the full text or metadata of scholarly literature across an array of publishing formats and disciplines. . Released in beta in November 2004, the Google Scholar index includes peer-reviewed online academic journals and books, conference papers, theses and dissertations, preprints, abstracts, technical reports, and other ...

  9. Atomic absorption spectroscopy - Wikipedia

    en.wikipedia.org/wiki/Atomic_absorption_spectroscopy

    The technique makes use of the atomic absorption spectrum of a sample in order to assess the concentration of specific analytes within it. It requires standards with known analyte content to establish the relation between the measured absorbance and the analyte concentration and relies therefore on the Beer–Lambert law.