Absorption of EM radiation Molecular absorption processes ~10-18 J • Electronic transitions • UV and visible wavelengths • Molecular vibrations • Thermal infrared…

Infrared Spectroscopy The portion of the infrared region most useful for analysis of organic compounds is not immediately adjacent to the visible spectrum, but is that having…

UNIVERSITY OF THE PHILIPPINES MANILA Raman Spectroscopy It is discovered by Indian physicist C.V. Raman in 1928 (Nobel Prize in Physics, 1930) Raman noted that the wavelength…

School of Physical & Mathematical Sciences Division of Chemistry & Biological Chemistry H3 Organic Synthesis and Mechanism - Tutorial 7 Spectroscopy, Alcohols, Ethers…

1. Greenhouse Gases and Global Warming 2.  What is a greenhouse gas?  Infrared Radiation is passed through a molecule and if it can pass through without interacting…

Slide 1Lecture 16: Atmospheric chemistry Questions –How do solar forcing, radiative and convective transfer set the vertical temperature structure of the atmosphere, the…

Slide 1Atmospheric chemistry Lecture 2: Photochemistry & kinetics Dr. David Glowacki University of Bristol,UK [email protected] Slide 2 Quick review of yesterday…

Slide 1Unit 4.2: Atmospheric Composition and Weather Slide 2 I.4 Atmospheric Layers: A.Troposphere: tropos- = change, turning 1.Where air turns over, is mixed; most weather…

1. 2 2.  Mostly for qualitative analysis. Absorption spectra is recorded astransmittance. Absorption in the infrared region arise frommolecular vibrational transitions…

An optical fiber (or optical fibre) is a flexible, transparent fiber made of high quality extruded glass (silica) or plastic, slightly thicker than a human hair. It can function…