Spectroscopy Essays & Research Papers

Best Spectroscopy Essays

  • Spectroscopy Report - 8131 Words
    University Malaysia Terengganu Department of Chemical Sciences KIM3402 Laboratory Reports for Spectrometry Program: Bachelor of Science (Chemistry) Lab Group: K1 Prepared for: Dr. Noorashikin Binti MD Saleh Name of Author : Liew Ken Min Student ID : UK 31217 Signature : TABLE OF CONTENTS PAGE CHAPTER 1 Theory and Objectives of the experiment 3 1.1 General Properties of Spectroscopic Methods 1.2 UV-Vis Spectroscopy 1.3 Fluorescence Spectroscopy 1.4 Atomic...
    8,131 Words | 43 Pages
  • Atomic Spectroscopy - 1343 Words
    Name CH 204 DateExperiment 3: Atomic Spectroscopy Introduction The purpose of the atomic spectroscopy lab experiment was to investigate the relationship between visible light, which is the visibly observable range of electromagnetic radiation and the change in energy levels of an element. The line spectrum that was seen in the spectroscope was the evidence of excited atoms emitting electrons and radiating a spectrum of light as it moved from a higher energy state back down to a lower...
    1,343 Words | 5 Pages
  • Absorption Spectroscopy - 565 Words
    Abstract: This experiment explores the technique of absorption spectroscopy. The procedures deal with the wavelengths and absorption of dyes in a sample of grape Kool-aid. The use of Beer's Law helps to determine values of absorption. Introduction: This experiment demonstrates another technique used in the analysis molecules with light. The study of light absorbed my molecules is known as absorption spectroscopy. This is very easily the opposite of emission spectroscopy because it occurs...
    565 Words | 3 Pages
  • Infrared Spectroscopy - 772 Words
    Infrared Spectroscopy Organic Chemistry Lab 301A B. The purpose of this lab is to study Infrared Spectroscopy, which focuses on the study of the electromagnetic spectrum. The area to be studied is the infrared region, which is made up of gamma, X, and UV rays. We want to be able to identify spectra’s to their complementary structures. The background of this experiment particularly deals with the study of compound structure determination, and traits. We must be aware of the functional...
    772 Words | 3 Pages
  • All Spectroscopy Essays

  • Spectroscopy and Distilled Water - 868 Words
     EXPERIMENT 2 : UV-VISIBLE DETERMINATION OF AN UNKNOWN CONCENTRATION OF KMnO4 OBJECTIVE 1. To determine the maximum wavelength of potassium permanganate. 2. To plot the calibration curve of potassium permanganate. 3. To determine the concentration of an unknown solution of potassium permanganate. APPARATUS Beaker, burette, glass rod ,volumetric flask 100ml ,dropper CHEMICALS Potassium permanganate (KMnO4), distilled water PROCEDURE A. Preparation of the KMnO4 standard...
    868 Words | 4 Pages
  • Atomic Emission Spectroscopy - 946 Words
    Atomic Emission Spectroscopy Dr M. Al-Harahsheh Comparison: Flame and Plasma atomization methods • Excitation and atomization for absorption: – Traditionally based on • • • • • • 1) 2) 3) 4) 5) 6) 7) 8) flame Electrothermal arc and spark & Plasma find important application ICP is the most important but excitation for emission spectrometry offers increased atomization/excitation Lower inter-element interference due to high T emission from multiple species...
    946 Words | 9 Pages
  • Beer's Law and a Spectroscopy Experiment
     BEER’S LAW EXPERIMENT 3 Amanda Buchanan – September 20, 2015 Chemistry 1212 – Section 50 OBJECTIVES: The objectives of this experiment are to understand why and how spectroscopy is used to determine the components and concentrations of a solution, describe various types of spectroscopy, describe the visible and ultraviolet regions of the electromagnetic spectrum, define Beer’s law and define the relationship between absorbance and transmittance. Other learning objectives are to...
    1,297 Words | 8 Pages
  • Spectroscopy Practice Exam Key
    Callam 1/8 CHEM – 254 – WI -2009 Problem Set #1 – IR Spectroscopy - KEY 1. Which of the indicated bonds absorbs at the higher frequency in an IR spectrum? a. O or OH C=O > C-O b. N or NH C=N > C-N c. H or H C-H sp2 > C-H sp3 Callam 2/8 CHEM – 254 – WI -2009 2. What major IR absorptions are present above 1500 cm-1 for each compound? a. b. O sp3 C-H stretch 2950 C=O - ketone 1715 cm-1 cm-1 c. O sp3 C-H stretch 2950 cm-1 sp3 C-H stretch 2950 cm-1...
    562 Words | 6 Pages
  • Spectrophotometry. Spectroscopy, and the Spectrometer
    Spectrophotometry. Spectroscopy, and the Spectrometer Spectroscopy is the branch of science concerned with the investigation and measurement spectra produced when mater interacts with or emits electromagnetic radiation Meanwhile, spectrophotometry is the measurement of color in a solution by determining the amount of light absorbed in the ultraviolet, infrared, or visible spectrum. A spectrophotometer is an instrument often used to compare the intensity of light from a regulated or...
    606 Words | 2 Pages
  • Book Infrared Spectroscopy - 40812 Words
    Contents Series Preface Preface Acronyms, Abbreviations and Symbols About the Author 1 Introduction Electromagnetic Radiation Infrared Absorptions Normal Modes of Vibration Complicating Factors 1.4.1 Overtone and Combination Bands 1.4.2 Fermi Resonance 1.4.3 Coupling 1.4.4 Vibration–Rotation Bands References 2 Experimental Methods 2.1 Introduction 2.2 Dispersive Infrared Spectrometers 2.3 Fourier-Transform Infrared Spectrometers 2.3.1 Michelson Interferometers 2.3.2 Sources and Detectors...
    40,812 Words | 163 Pages
  • Spectroscopy Lab Report - 1564 Words
    cName: Nicholas Cassel Gen Chem 1210 23 March 2013 Blinded By the Light Abstract: In this experiment we were provided a cereal box spectrometer to observe the emission lines of noble gases and hydrogen. Based on the scale readings on the spectrometer and the Balmer-Rydberg formula, their wavelengths and percent error were able to be extrapolated. Based on the literature values, the cereal box spectrometer proved its value as a decently accurate spectrometer. Introduction:...
    1,564 Words | 6 Pages
  • FLAME ATOMIC ABSORPTION SPECTROSCOPY
    FLAME ATOMIC ABSORPTION SPECTROSCOPY: SUMMARY INTRODUCTION Elemental analysis of the majority of organic and inorganic matrices requires the partial or total dissolution of the sample prior to instrumental analysis. Analysis by spectroscopic methods practically always necessitates a simple or more complex preparation of the sample. These steps are generally the most critical part of analysis because they are responsible for the most important errors. Only a few direct methods allow the...
    3,163 Words | 10 Pages
  • Absorption Spectroscopy - Essay - 845 Words
    Absorption Spectroscopy Abstract: Absorption spectroscopy validated Beer-Lambert’s Law, confirming Beer-Lambert’s Law was a successful method in determining the molar concentration of a sample within a composition that is unidentified. Absorption spectroscopy is used in order to determine the ε value; ε was calculated to be .0566. Introduction: The purpose of the Absorption Spectroscopy experiment is to evaluate the reliability and...
    845 Words | 3 Pages
  • X-Ray Absorption Spectroscopy
    X-ray Absorption Spectroscopy X-ray absorption spectroscopy (XAS) techniques probe short- and medium-range order, yielding information on bond lengths, coordination numbers, local coordination geometry and the oxidation state of atoms for a wide range of solid and liquid systems. XAS experiments require an intense, tunable photon source only available at synchrotrons. Features • medium and high energy (from atomic number Z=20 upwards) XAS, XANES (x-ray absorption near-edge...
    781 Words | 5 Pages
  • Absorption Spectroscopy: Beer-Lambert Law
    Absorption Spectroscopy Author: Cesar M. Lemas Lab Partners: Jahnnan Jayesh Patel, Myong Ho Lee & Salem Alsaif Instructor: Jordan Andrew Mudery Chem 151, Section 7D Date Work Performed: October 18th 2012 Date Report submitted: October 25th 2012 Abstract Absorption spectroscopy is a practical way to find what the light absorption of a substance is, and whit this data combining the Beer’s law equation you can determine the concentration of different things in a solution,...
    1,043 Words | 4 Pages
  • Quantitative Analysis of Salicylates by Visible Spectroscopy
    Introduction: The purpose of this lab was to learn how to use a spectrophotometer to measure the amount of light absorbed by different concentrations of salicylic acid, compare those concentrations to our unknown sample and to use the data collected to compile a graph showing the levels of absorbance of the different concentrations. Methods and materials: In this lab we used a spectrophotometer, a test tube filled with water to be used as a blank, six test tubes with different...
    458 Words | 2 Pages
  • Bio 130 Formal Lab- Spectroscopy
    Introduction The purpose of this experiment is to determine the maximum absorbance of fast green, and the chlorophylls, also in the case of fast green create a concentration curve to determine an unknown substance. Each test will use the spectrophotometer. Spectroscopy is the study of light. A spectrophotometer is a machine used to determine the absorbance of light at any given wavelength. It does this by using a source of white light through a prism, which gives multiple wavelengths...
    2,210 Words | 11 Pages
  • Fourier Transform Infrared Spectroscopy: Uses and Advantages
    Introduction The range of Infrared region is 12800 ~ 10 cm-1. It can be divided into near-infrared region (12800 ~ 4000 cm-1), mid-infrared region (4000 ~ 200 cm-1) and far-infrared region (50 ~ 1000 cm-1). scientists have established various ways to utilize infrared light. Infrared absorption spectroscopy is the method which scientists use to determine the structures of molecules with the molecules’ characteristic absorption of infrared radiation. Infrared spectrum is molecular vibrational...
    947 Words | 3 Pages
  • Experiment on analysis of copper in brass by UV-Visible spectroscopy
    KWAME NKRUMAH UNIVERSITY OF SCIENCE AND TECHNOLOGY DEPARTMENT OF CHEMISTRY TITLE: ANALYSIS OF COPPER IN BRASS BY UV-VISIBLE SPECTROSCOPY NAME: OPOKU ERNEST DATE: 21ST JANUARY, 2014 Page 1 of 9 TITLE: ANALYSIS OF COPPER IN BRASS BY UV-VISIBLE SPECTROSCOPY AIMS AND OBJECTIVES: By the end of this experiment, the student should be able to demonstrate the following proficiencies: 1. To determine the percentage of copper in brass by UV-visible spectroscopy. 2. Properly...
    2,061 Words | 12 Pages
  • Atomic Spectroscopy Using Constant Deviation Sprectormeter
    Atomic Spectroscopy using a Constant Deviation Spectrometer with Fabry-Perot Etalon Abstract A constant deviation spectrometer with Fabry-Perot etalon has been used to investigate the various atomic emission characteristics from a Zn-Cd-Hg lamp, a low pressure Hg lamp and a Ne lamp. The Fabry-Perot etalon of Free Spectral Range 0.010 cm-1 was used to resolve the fringes of the Hg 546.0731nm spectral line, and the 594.4834nm, 614.3063nm, 640.2246nm and 650.6528nm spectral lines of the Ne...
    5,226 Words | 21 Pages
  • Spectroscopy Laboratory Quinine in Tonic Water with Fluorescence
    Analysis of Quinine in Tonic Water using Fluorescence Introduction: Fluorescence is, in a way, the opposite of absorption. Rather than recording the light absorbed by a species, or the light necessary to excite its electrons, we measure the light emitted after the species has been excited and returns to its ground electrical state. Two spectra are produced: emission and excitation. Excitation is similar to absorption, where emission records the intensity of the radiation emitted by the...
    823 Words | 3 Pages
  • Infra-Red Spectroscopy of Hcl and Dcl Gas
    Experiment 6 Infra-Red Spectroscopy of HCl and DCl gas Abstract Fourier-transform infrared spectroscopy has been very useful in helping scientists examining molecules of HCl and DCl. Because deuterium has a greater mass than hydrogen, the IR band shown for HCl is at a higher wavelength than DCl. The absorption of light in DCl was at lower frequency 1700-2200 cm-1 because D is bigger and heavier. That’s why the vibrations on the IR were shorter for DCl compared to HCl. The stretching...
    975 Words | 5 Pages
  • ANALYSIS OF COPPER IN BRASS BY UV - VISIBLE SPECTROSCOPY
     NAME: EDWARD AFUTU INDEX NO: 8030212 EXPERIMENT: I.2.2.2. DEMONSTRATOR: MISS NAOMI KABIRI...
    1,793 Words | 7 Pages
  • Mass Determination of Ca, Fe and Zn in a multivitamin using Atomic Absorbance Spectroscopy (AAS) and X-­Ray Fluorescence Spectroscopy (XRF)
    Mass Determination of Ca, Fe and Zn in a multivitamin using Atomic Absorbance Spectroscopy (AAS) and X-Ray Fluorescence Spectroscopy (XRF) ABSTRACT: The purpose of this project was to determine the amount of calcium, iron and zinc present in an over the counter multivitamin. This mass was determined using atomic absorption spectroscopy (AAS) and X-ray fluorescence spectroscopy (XRF). For both analytical techniques, the method of standard additions was used to compensate for matrix...
    1,364 Words | 5 Pages
  • 2018 Atomic Spectroscopy Market across Globe- Opportunities, Challenges & Threats
    The global Atomic Spectroscopy Market was valued at an estimated $4.02 billion in 2013 and is expected to grow at a CAGR of 6.4%. Various regulatory authorities across industries have enforced stringent safety regulations. The use of atomic spectroscopy technologies facilitate the compliance with these regulations by enabling the measurement and monitoring of the level of metals in samples. This is a major driver for the atomic spectroscopy market. Furthermore, the increasing use of atomic...
    781 Words | 3 Pages
  • Substitution Reaction of Molybdenum Hexacarbonyl: the Use of Infrared Spectroscopy as a Structural Tool in Metal Carbonyl Chemistry.
    School of Chemistry @ Pietermaritzburg University of KwaZulu Natal Chemistry 310 Substitution reaction of Molybdenum Hexacarbonyl: the use of infrared spectroscopy as a structural tool in metal carbonyl chemistry. Abstract The synthesis of isomer A and B of [Mo(CO)4(PPh3)2] were prepared from molybdenum hexacarbonyl, sodium borohydride and triphenylphosphine with a % yield of 79% and 8.5% respectively. Two isomer was identified using IR spectra and from isomer A four C≡O...
    758 Words | 4 Pages
  • Determination of Zinc and Nickel Concentration by (1) Ion-Exchange Chromatography Followed by Chelometric Titration, and by (2) Atomic Absorption Spectroscopy of the Mixture
    DETERMINATION OF ZINC AND NICKEL CONCENTRATION BY (1) ION-EXCHANGE CHROMATOGRAPHY FOLLOWED BY CHELOMETRIC TITRATION, AND BY (2) ATOMIC ABSORPTION SPECTROSCOPY OF THE MIXTURE Experiment 4 Dates of Experiment: 10/14/08 through 10/30/08 Date of Report: 11/7/08 Chem 2262L � I. Introduction In this experiment, the zinc and nickel contents of unknowns were tested using two methods. In the first method, nickel and zinc were separated through ion-exchange chromatography and analyzed through...
    1,332 Words | 11 Pages
  • Comparative Study of Diesel Analysis by Ftir, Ftnir and Ft-Raman Spectroscopy Using Pls and Artificial Neural Network Analysis
    Analytica Chimica Acta 547 (2005) 188–196 Acomparative study of diesel analysis by FTIR, FTNIR and FT-Raman spectroscopy using PLS and artificial neural network analysis Vianney O. Santos Jr., Flavia C.C. Oliveira, Daniella G. Lima, Andrea C. Petry, Edgardo Garcia, Paulo A.Z. Suarez, Joel C. Rubim ∗ Laborat´ rio de Materiais e Combust´veis (LMC), Instituto de Qu´mica da Universidade de Brasilia, C.P. 04478, 70904-970 Bras´lia, DF, Brazil o ı ı ı Received 10 January 2005; received in revised...
    4,991 Words | 14 Pages
  • Colorimetry - 513 Words
    Colorimetry Introduction Absorption Spectroscopic methods of analysis rank among the most widespread and powerful tools for quantitative analysis. The use of a spectrophotometer to determine the extent of absorption of various wavelengths of visible light by a given solution is commonly known as colorimetry. This method is used to determine concentrations of various chemicals which can give colours either directly or after addition of some other chemicals. As stated by the Beer-Lambert...
    513 Words | 5 Pages
  • Colorimetric Analysis - 692 Words
    Colorimetric Analysis: Manganese in Steel Chemistry 2272F Nov 8, 2012 Introduction The goal of the experiment is to determine the percentage of Mn in an unknown metal sample by means of colorimetric analysis. First stock solution of KMnO4 with known concentration was diluted and then carried to spectrometer for analysis. The peak with highest absorbance was taken as λmax. Then the molar extinction coefficient is calculated by plugging the value into the Beer-Lambert equation. Then the...
    692 Words | 3 Pages
  • Spectrophotometric Analysis of Kmno4 Solution
    Experiment # 9: Optical Method of Analysis Use of Beer’s Law on a KMn04 Gregorio, Justin Edrik A. March 2013 Department of Chemical Engineering, Faculty of Engineering University of Santo Tomas España, Manila Abstract The purpose of this analytical laboratory experiment is to determine the unknown concentration of potassium permanganate (KMnO4) solution by finding its absorbance through the use of spectrophotometer. The preparation of four known concentration of KMnO4 was done namely,...
    1,686 Words | 6 Pages
  • Spectrophotometric Determination of Iron in Aqueous Solutions as a Complex of 1,10-Phenanthroline
    Theo Victor Cavite Chem 28.1 Melanie Bucsit-Carpio September 14, 2012 Spectrophotometric Determination of Iron in Aqueous Solutions as a Complex of 1,10-Phenanthroline Introduction From the previous classical method of concentration determination of an unknown sample, this experiment now deals with the instrumental one. Unknown concentrations of iron in solutions were determined by measuring their corresponding absorbances through spectrophotometry. A spectrophotometer measures the...
    1,075 Words | 4 Pages
  • Spectrophometry on KMnO4 - 2391 Words
    EXPERIMENT 11 UV/VIS Spectroscopy and Spectrophotometry: Spectrophotometric Analysis of Potassium Permanganate Solutions. Outcomes After completing this experiment, the student should be able to: 1. 2. 3. 4. Prepare standard solutions of potassium permanganate. Construct calibration curve based on Beer’s Law. Use Beer’s Law to determine molar absorptivity. Explain the fundamental principal behind spectrophotometric analysis Introduction Most analytical methods require calibration (a process...
    2,391 Words | 14 Pages
  • Lab Report Mn-Steel
    Determination of Manganese in Steel Submitted by: ------------------- Date of Submission: 27.03.11 Objectives: In steel production aside the iron, which is the primary source, some amounts of manganese is used together with carbon. The objective of this experiment is determining the manganese amount in the steel compound by using UNICAM UV-VIS Spectrometer. Theory: Many molecules absorb ultraviolet or visible light. The absorbance of a solution...
    529 Words | 3 Pages
  • chemistry - 2781 Words
    OBJECTIVES: To determine the maximum wavelength of potassium permanganate. To plot the calibration curve of potassium permanganate. To determine the concentration of an unknown solution of potassium permanganate. INTRODUCTION: UV Spectrophotometer has 4 main components which is the UV light source, the sample, detector and the processor/recorder. Spectrophotometry is a technique that uses the absorbance of light by an analyte (the substance to be analyzed) at a certain wavelength to...
    2,781 Words | 9 Pages
  • Beer Lambert Law 4
    Title : The Beer-Lambert Law and Its Limitation Objective : 1. To determine the linear relationship between absorbance and concentration of an absorbing species. 2. To study the effects of molecular dissociation complex formation on the applicability of the Beer-Lambert Law. 3. To investigate the derivation and limitation of Beer-Lambert Law. Introduction: In optics, the Beer–Lambert law, also known as Beer's law, the Lambert–Beer law, or the Beer–Lambert–Bouguer law relates the...
    1,760 Words | 9 Pages
  • UV-Visible Spectrophotometry - 2333 Words
    Micah Bolivar MWF 8:30-9:30 ULTRAVIOLET-VISIBLE SPECTROMETRY A diagram of the components of a typical spectrometer are shown in the following diagram. The functioning of this instrument is relatively straightforward. A beam of light from a visible and/or UV light source (colored red) is separated into its component wavelengths by a prism or diffraction grating. Each monochromatic (single wavelength) beam...
    2,333 Words | 7 Pages
  • Food Analysis - 532 Words
    Food Analysis * Concerned with development of criteria of quality and identity… * Process in w/c sample is treated in a series of steps Importance: 1. It’s necessary in the dev’t and enforcement in standard of identity, purity and feel of processed food products. 2. It can provide studies design to improve and control the quality of natural processed food. 3. Can help in the determination of the composition of products in their normal and abnormal storage conditions....
    532 Words | 4 Pages
  • Lab Experiment: Determination of Erythrosine Concentration Using UV-Visible Spectrophotometer
    PRACTICAL 7 TITLE : DETERMINATION OF ERYTHROSINE CONCENTRATION USING UV- VISIBLE SPECTROPHOTOMETER INTRODUCTION In chemistry, spectrophotometry is the quantitative measurement of the reflection or transmission properties of a material as a function of wavelength. It is more specific than the general term electromagnetic spectroscopy in that spectrophotometry deals with visible light, near-ultraviolet, and near-infrared, but does not cover time-resolved spectroscopic techniques....
    1,116 Words | 4 Pages
  • identification of unknown organic compound
    Identification of Unknown Organic Compound by Melting Point (M.P), Boiling Point (B.P) and Infrared Spectroscopy Methods and Background The main objective of this lab is to identify the given unknown organic compounds with various methods. Identification of an unknown compound is important to perform through the process of melting point (M.P), boiling point (B.P) and Infrared spectroscopy (I.R). Index of Hydrogen deficiency (IHD) and elemental analysis makes an experiment more efficient...
    1,001 Words | 6 Pages
  • Infrared Spectrometry of Liquid Sample: Lab Report
    Food and Pharmaceutical Instrumentation I Laboratory Report. | Experiment Title: | Infra Red Spectrometry of Liquid Sample | Experiment Date: | 22/11/12 | Submission Date: | 6/12/12 | | Group Members | | | 2. | | 3. | | 4. | | Aims and Objectives. | 1. To interpret the IR Spectrum.2. To obtain the spectrum of a liquid sample and identified compound using library data base . | Introduction. | Infrared (IR) spectroscopy is one of the most common spectroscopic...
    1,212 Words | 5 Pages
  • Measurement of Iron in Foods by Atomic Absorption Spectrometry
    Measurement of Iron in Foods by Atomic Absorption Spectrometry Chem 462 Abstract The purpose of this experiment is to find the amount of Fe in dietary tablets by UV-visible spectrophotometer. A Perkin-Elmer Lambda 6 UV-Visible spectrophotometer will be used for the unknown sample and the iron(II) standards. Introduction Fe3+ in a dietary tablet is converted to Fe2+ and reacats with 1,10-phenathronile to form the tris(1,10-phenanthroline) iron (III) complex. Hydroquinone is used as the...
    746 Words | 3 Pages
  • Chem Lab. Identyfing organic solid
    Post-Lab Report for Experiment 2: Cooperative Identification of an organic Solid October 6, 2013 Introduction: This experiment was focused on the cooperative identification of organic compound by its chemical properties such as: slow melting point, mixed melting point, Rf values in TLC experiment, IR spectrum analysis, and H NMR spectra. Such data can provide the the identity of functional groups and the identity of the compound itself. In this...
    862 Words | 3 Pages
  • Kirchhoff's Law - 3020 Words
    Kirchhoff, Gustav Robert Complete Dictionary of Scientific Biography | 2008 | Copyright Kirchhoff, Gustav Robert (b. Königsberg, Germany, 12 March 1824; d. Berlin, Germany, 17 October 1887) physics. Kirchhoff’s major contribution to physics was his experimental discovery and theoretical analysis in 1859 of a fundamental law of electromagnetic radiation: for all material bodies, the ratio of absorptive and emissive power for such radiation is a universal function of wavelength and...
    3,020 Words | 8 Pages
  • Spectrophotometry - 1510 Words
    | Spectrophotometry | Protein solutions | | Spectrophotometric determination of protein concentration of unknown solutions | | Monica Lusamba | 8/11/2013 | | Spectrophotometric Determination of Protein INTRODUCTION: According to Gore (2000), spectrophotometry is a means of determining the concentration of particles in solutions by measuring the capacity to absorb light of various wavelengths. A solution containing proteins will absorb light that is characteristic to...
    1,510 Words | 6 Pages
  • Coordination Complexes Of Cobalt - 2140 Words
    Coordination Complexes of Cobalt Advanced Inorganic Chemistry Lab 02/27/2015 Abstract When the transition metal, cobalt, forms a complex involving a nitrate ion, the ligand has the ability to coordinate via N or O. The ability of the nitrate to attach via the N or O gives rise to the term, linkage isomers and can affect the functionality of the complex with other molecules. To explore structural differences between complexes, pentaaminechlorocobalt (III) chloride, pentaaminenitritocobalt...
    2,140 Words | 7 Pages
  • Lab Report - 354 Words
    Borohydride Reduction of a Ketone Results 1. Draw a three-dimensional structure of the stereoisomer formed in the reaction. Name the compound. meso-Hydrobenzoin 2. Include other results as suggested by your data. * The attached IR and NMR spectroscopy data. * The melting point that ranges from 135.6-137.90C. Spectroscopic Analyses Data tables IR Spectroscopy Hydrobenzoin Peaks (cm-1) | Stretches | Intensity | 3332 (cm-1) | O—H stretch | Strong and broad |...
    354 Words | 3 Pages
  • Embedded System for Milk Analyzer
    Embedded system for milk analyzer and billing Submitted by Harshal Dhikale Sushil Kore Suhas Ugale Aim • The aim is to build an embedded system that analyzes milk, displays, saves & print the parameters of milk such as FAT, CLR, SNF, Proteins & calculate the prize as per these parameter. Introduction • We think engineering is the technical solution of the problem • look at common man‘s problem • We peek up adulteration problem of milk Introduction • A REVIEW OF LITERATURE –...
    1,252 Words | 6 Pages
  • Atomic Absorption - 5711 Words
    INTRODUCTION: In atomic spectroscopy the samples are vaporized at 2000-8000k. The process of this involves two steps , one is atomization of sample and the other is absorption of light radiation from light source. The atoms in the vapour are measured by absorption or emission at characteristic wave lengths. The main usage of this was to detect one element from another in the complex sample which has taken ie., it has ability to perform multiple element analyses. Absorbance should obey Beer’s law...
    5,711 Words | 19 Pages
  • The Effcts of Different Wavelengths on Leaf Pigments
    Introduction: • Hypothesis: My hypothesis for this experiment, the study of the effects of different wavelengths on leaf pigments, if chlorophyll a absorbs blue-violet light, chlorophyll b absorbs blue light, carotene absorbs blue-green light, and xanthophyll absorbs blue light, then wavelengths of greatest absorption will be 400, 450, 500, and 450 respectively. • Independent Variable: Wavelengths • Dependent Variable: optimum wavelengths of light for absorption • Standard Variable: method...
    420 Words | 2 Pages
  • Rate of Isomerism of cis[Co(en)2Cl2]Cl
    Abstract: In the course of this experiment the rate of isomerism for the coordination complex cis[Co(en)2Cl2]Cl was determined using UV/Vis spectrometry. Using a range of wavelengths the optimum spectrometer setting for analysis was identified. The corresponding maximum and minimum absorbance of the cis and trans isomers respectively at 540 nm meant that it was selected as the wavelength to determine the rate of conversion between the isomers. The first order rate constant was calculated to be...
    1,265 Words | 10 Pages
  • Short Report Haemotology Rmit
    HAEMATOLOGY 1 MEDS 1084/1083 SHORT REPORT Use of spectrophotometric techniques to determine the optical density or absorbance for the sample with different dilution factors NAME & STUDENT ID: MANMINDER KAUR COURSE: Haematology 1 COORDINATOR: Genia Burchall PRACTICAL DATE: 26th July, 2012 DUE DATE: 10th August, 2012 ABSTRACT: This experiment aimed at determining the optical density in terms of absorbance of a solution using the different dilution factors to obtain a...
    1,579 Words | 5 Pages
  • spectrophotometry - 2323 Words
    Title: Introduction to Spectrophotometric Analysis Introduction: Spectrophotometric Analysis which is one of the most common and valuable analysis techniques used to study the interaction of electromagnetic radiation with chemical compounds (Stewart & Ebel, 2000). By using spectrophotometric analysis or spectrophotometry, one can determine the identity in terms of structure and species of a biomolecule as well as establish the concentration of a certain biomolecule (Stewart & Ebel, 2000)....
    2,323 Words | 18 Pages
  • Experiment 11 Spectophotometric Analysis Of Caffiene And Benzoic Acid In Soft Drinks
    Experiment 11 Title: Spectrophotometric analysis of caffeine and benzoic acid in soft drink. Name: Tan Herh Lim Name of partner: Sia Ting Wai, Chong Zheng Yee Date: Lecturer: Dr. Neo Kian Eang Practical class: P1 Objective: To obtain the absorbance of the caffeine and benzoic acid in soft drinks. Introduction Soft drinks that commonly found in our daily life contain caffeine and sodium benzoate. The caffeine act as a stimulant and the sodium benzoate acts as a...
    2,163 Words | 9 Pages
  • Introduction Spectrophotometer Is An Optical Instrument
    Introduction Spectrophotometer is an optical instrument that measures and shows how much light energy is transmitted by a substance in solution at different wavelengths of radiant energy. Light passes into a monochromator where only a very narrow range of wavelengths can pass through. From there, light is transmitted through a sample solution, and on to a phototube where the light energy is converted to an electric current that is registered on a meter. To measure the amount of light...
    3,281 Words | 13 Pages
  • Mr.Hsiao - 2578 Words
    CHEM7113 - Atomic Spectroscopy ! !! Analytical Techniques "! Absorption (AAS) "! Flame AAS "! Vapour generation AAS furnace (electrothermal) AAS "! Graphite "! Emission (AES) "! ICP-AES "! AFS (atomic fluorescence) Some diagrams and Tables are reproduced from Skoog ‘Principles of Instrumental Analysis’, 5th/6th ed. 1 ! Atomic Spectroscopy ! !! Electronic transitions : UV - visible radiation excitation of outer-shell electrons of atoms in the gas phase...
    2,578 Words | 18 Pages
  • ANALYSIS OF ASPIRIN SPECTROPHOTOMETRYThe Purpose Of
    ANALYSIS OF ASPIRIN: SPECTROPHOTOMETRY The purpose of this experiment is to evaluate the percent aspirin on a commercial aspirin tablet using an instrumental method, spectrophotometry. In a spectrophotometer, light from a strong lamp passes through a monochromator, which breaks the light into its component colors using a grating, then uses mirrors and slits to direct a light beam of the desired wavelength through the sample compartment, where you place a tube (cuvette) of solution. A...
    903 Words | 3 Pages
  • Flame Photometry - 1373 Words
    1.0 INTRODUCTION Flame photometry, also referred to as 'flame atomic emission spectrometry' is a quick, economical and simple way of detecting traces of metal ions, primarily Sodium, Potassium, Lithium, Calcium, and Barium, in a concentrated solution. The process is an extension of the principles used in a flame test, with the main differences having more precision in the results, and the use of more advanced technology. This report focuses on the theory, applications, limitations and analysis...
    1,373 Words | 8 Pages
  • Milk Analyzer - 7678 Words
    Embedded System for Milk Analyzer and Billing Chapter 1: INTRODUCTION TO MILK COLLECTION SYSTEM 1.1 INTRODUCTION While we were in search of problems In the society, with keeping in mind that engineering is a technical solution of a any problem, we decide to look at common man‘s problem. At the same time in month of june11, Milk adulteration problem was on the top of media, so we thought why not explore this problem. The Dairy industry in India is generally co-operative .The primary...
    7,678 Words | 33 Pages
  • Art Authentication - 4051 Words
    A! Au"entication An Exploration of Forensic Techniques ! 1 Table of Contents Introduction 3-4 Forensic Techniques Colors and Composition: Pigments Analysis Dendrochronology Craquelure 5-7 8 9-10 Light: Raking Light X-Radiography Infrared Radiation, Infrared Reflectography and Infrared Photography ! Microscope: Scanning Electron Microscope X-Ray Fluorescence and X-ray Diffraction Fourier Transform Infrared Spectroscopy Chromatography Mass Spectrometer...
    4,051 Words | 18 Pages
  • The solubility of sognox 1010 in in polymers
    Contents 1. Introduction and literature review 1.1 Polypropylene 1.1.1 Polypropylene crystallization 1.2 Polymer degradation 1.3 Broadband dielectric 1.4 Solubility and the cohesive energy density 1.5 Literature review 2. Experimental method 2.1 Solubility of SN 1010 in various solvents 2.2 Calibration curve 2.3 Preparation of polymer/antioxidant mix for films 2.4 Soxhlet extraction 2.5 Broadband dielectric analysis of films 2.6 Broadband dielectric analysis of molten samples...
    4,820 Words | 19 Pages
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