'Molar absorptivity' diaporamas de présentation

CHM 5175: Part 2.3

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Ultraviolet-Visible Spectroscopy

Ultraviolet-Visible Spectroscopy. Introduction to UV-Vis spectroscopy Measurement of UV-Vis spectroscopy ----- Lambert-Beer Law Instrumentation of UV-Vis spectroscopy Application of UV-Vis spectroscopy. Introduction to UV-Vis spectroscopy.

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Chapter 24 Introduction to Spectrochemical Methods

Chapter 24 Introduction to Spectrochemical Methods. Contents in Chapter 24. Properties of Electromagnetic Radiation 1) Wave properties 2) Wave-Particle Duality 2. Interaction of Radiation and Matter 1) Electromagnetic Spectrum 2) Types of Quantum Transition

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Laser Pulse Generation and Ultrafast Pump-Probe Experiments

Laser Pulse Generation and Ultrafast Pump-Probe Experiments. By Brian Alberding. Goals. Basic Laser Principles Techniques for generating pulses Pulse Lengthening Pulse Shortening Ultrafast Experiments Transient Absorption Spectroscopy. L.A.S.E.R.

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Laser Pulse Generation and Ultrafast Pump-Probe Experiments

Laser Pulse Generation and Ultrafast Pump-Probe Experiments. By Brian Alberding. Goals. Basic Laser Principles Techniques for generating pulses Pulse Lengthening Pulse Shortening Ultrafast Experiments Transient Absorption Spectroscopy. L.A.S.E.R.

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Ultraviolet/Visible (UV-Vis) Spectroscopy of Potassium Permanganate

Ultraviolet/Visible (UV-Vis) Spectroscopy of Potassium Permanganate. By Robert Bohman November 4 th 2006 CH EN 4903. Importance to industry. Potassium Permanganate is used to kill bacteria in reclaimed water

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Absorbance spectroscopy

Absorbance spectroscopy. A tutorial by Dr. Lara Baxley Cuesta College San Luis Obispo. Introduction to this tutorial. This is a self-paced tutorial about absorbance spectroscopy. Click your mouse or down arrow key to reveal each part.

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SPECTROSCOPY

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Spectrochemical Analysis

Spectrochemical Analysis. Electromagnetic Radiation. Energy propagated by an electromagnetic field, having both particle and wave nature. Photon.

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Determination of Concentration Using Spectrophotometry

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Determining the k a of an acid-base indicator

Determining the k a of an acid-base indicator. Experiment 6. Indicator. HIn + H 2 O ? In - + H 3 O + Red blue Ka = [H 3 O + ] [In - ]/[HIn] [H 3 O + ] = Ka [HIn]/[In - ] (-log [H 3 O + ]) = (-log Ka) + (log [In - ]/[HIn]) pH = pKa + log [In - ]/[HIn]. Determining Ka.

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Beers Law for a Single Component Sample

Beers Law for a Single Component Sample. b. I 0. I. A = Absorbance = - log 10. I / I 0. I 0 = Incident beam intensity I = Transmitted beam intensity. b = Optical path length c = Solution Concentration (M/L) ? = Molar Absorptivity (L/M cm). Atomic Absorption Spectrometry.

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Bioanalytical Application of UV/ vis Spectroscopy

Bioanalytical Application of UV/ vis Spectroscopy. Week 4 Lab S117 Fall 2011. Overview. Post-lab Discussion Historical Perspective on Balmer , Rydberg, Bohr How science builds Pre-lab discussion Molecular Spectroscopy UV- vis Spectrometer Quantitative use of spectroscopy

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Payload Water Detection, Deceleration and Camera

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Lecture 21

Lecture 21. Lecture Problem 7 Due Today Mass Spectrometry Continued UV/Vis Spectroscopy This week in lab: Synthetic Experiment #2 PreLab Due Ch 7: TLC Final Report Due Next week in lab: Ch 8 Final Report Due. Lab Guide Problems. Problem 11.32

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Lecture 7

Lecture 7. Mass Spectrometry UV/Vis Spectroscopy Sample Problems - handout Due: Lecture Problem 5. Mass Spectrometry. Molecular ions and fragments can rearrange under MS conditions. For example, the benzylic cation can rearrange to a tropollium ion:. Mass Spectrometry.

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Lecture 21

Lecture 21. UV/Vis Pick up Lecture Problem 7. This Week in Lab: Work on 1st Synthetic Next Week in Lab: Ch 9 Final Report Due Synthetic #2 PreLab Due. UV/Vis Spectroscopy. Basic Idea: Expose compound to UV/Vis radiation UV: 200-400 nm Vis: 400-800 nm

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LAB 3

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Quiz

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Determination of Concentration Using Spectrophotometry

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