'Visible spectrophotometry' presentation slideshows

Visible spectrophotometry - PowerPoint PPT Presentation


Paints and Coatings

Paints and Coatings

Paints and Coatings. The Case of the Careening Motorcycle.

By jarvis
(232 views)

Infrared Absorption Spectroscopy

Infrared Absorption Spectroscopy

Infrared Absorption Spectroscopy. IR Spectroscopy. deal with the interaction of infrared radiation with matter. IR spectrum (%T against Frequency). chemical nature and molecular structure of cpd. Applications. organic materials polyatomic inorganic molecules organometallic compounds.

By deon
(375 views)

Introduction to optical spectroscopy

Introduction to optical spectroscopy

Introduction to optical spectroscopy. Chemistry 243. Fundamentals of electromagnetic radiation. (s -1 ). Electromagnetic spectrum. Low Energy. High Energy. http://www.yorku.ca/eye/spectrum.gif. Terminology. Spectroscopy is the study of the interaction of light and matter

By onaona
(655 views)


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visible spectophotometry &  Spectrophotometry

visible spectophotometry & Spectrophotometry

visible spectophotometry & Spectrophotometry. INTRODUCTION. Absorption Spectrophotometry in the ultraviolet and visible region is one of the most oldest methods used for quantitative analysis and structural elucidation.

By justing (1 views)

( Ultraviolet and visible spectrophotometry,UV/VIS )

( Ultraviolet and visible spectrophotometry,UV/VIS )

第五章 紫外 / 可见光谱法. ( Ultraviolet and visible spectrophotometry,UV/VIS ). § 5-1 基本原理. 一、理论基础 1. 分子吸收光谱的产生 分子中存在平动能,平动能只是 温度的函数∴平动不存在跃迁. 分子内还存在价电子运动,又有内部原子在其平衡位置的振动和分子绕其核心的转动。因此,分子具有电子能级,转动能级和转动能级。分子吸收光谱也是由于能级之间的跃迁所引起的。 (见图 5-1 ). 图 5-1 双原子分子的三种能级跃迁示意图.

By nibaw (435 views)

Spectrophotometry

Spectrophotometry

Spectrophotometry. Electromagnetic Radiation = Light What is Light? Visible light is a particular kind of electromagnetic radiation X-rays, UV, Infrared, Microwaves, and Radio waves are all light forms Light is a form of Energy

By therese (184 views)

SPECTROPHOTOMETRY

SPECTROPHOTOMETRY

SPECTROPHOTOMETRY. Applied Chemistry. Fundamentals of Spectrophotometry. Introduction 1.) Colorimetry An analytical technique in which the concentration of an analyte is measured by its ability to produce or change the color of a solution Changes the solution’s ability to absorb light

By jacobsonr (4 views)

SPECTROPHOTOMETRY

SPECTROPHOTOMETRY

SPECTROPHOTOMETRY. Spectrophotometry. Determines concentration of a substance in solution Measures light absorbed by solution at a specific wavelength. Spectrophotometry.

By taariq (405 views)

Spectrophotometry

Spectrophotometry

Color. Spectrophotometry. of F o o d D y e s. & Beer’s Law. A = ε b c. Concentration. Questions. OBJECTIVES. What is the quantitative basis for the color of substances?. How is the absorption/transmission of light measured?.

By phuong (186 views)

Spectrophotometry

Spectrophotometry

Spectrophotometry. Commonly Used Urine Preservatives.

By eman (119 views)

Spectrophotometry

Spectrophotometry

Abs = 0.51. Spectrophotometry. MBLG1001 second session. Before the prac class begins experimental work…. The spectrophotometer actually measures transmittance: %T = (I T /I 0 )*100.

By gurit (221 views)

Spectrophotometry

Spectrophotometry

Spectrophotometry. Let There Be Light Spectrophotometry: the use of electromagnetic radiation to measure chemical concentrations. The Ozone Hole.  UV absorption. Properties of light -1. 1) 2) Electromagnetic Spectrum 3) Absorption vs Emission of light. change of spin NMR EPR.

By garrison-baxter (245 views)

SPECTROPHOTOMETRY

SPECTROPHOTOMETRY

SPECTROPHOTOMETRY. Principle :. there is interaction between the light and sample particle , spectrophotometer is employed to measure the amount of light that a sample absorbs. spectrophotometer consists of two instruments: 1- spectrometer

By bernadettea (1 views)