0 PANJAB UNIVERSITY CHANDIGARH- 160 014 (INDIA) (Estted. under the Panjab University Act VII of 1947-enacted by the Govt. of India) FACULTY OF SCIENCE SYLLABI FOR M.Sc. (TWO YEAR COURSE ) IN CHEMISTRY 1st & 2nd YEAR( Semester System) EXAMINATIONS 2013-2014 --:O:-- 1 OUTLINES OF TESTS‚ SYLLABI AND COURSES OF READING FOR M.Sc. FIRST YEAR (SEMESTER-I) EXAMINATION OF 2013 OBJECTIVE OF THE COURSE To teach the fundamental concepts of Chemistry and their applications. The syllabus pertaining
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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 energy
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random process * Systematic – * Stratified-Random – division into parts‚ layers * Cluster – divided into subgroups * Composite – two or more samples are combined 3. Mixed – combining other sampling scheme Types of samples taken in Lab: * Raw mat * Processed control sample * Finished products * Buying samples Methods used in DISINTEGRATION: * Mechanical > tools * Ball mills * Meat mincers * Tissue grinders * Enzymatic and Chemical CHARACTERISTICS
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Name: Chen Yao Le Lab Group: Tues Email: A0111185@nus.edu.sg Matriculation Number: A0111185R Date of Experiment: 17 February 2015 Experiment 6: Synthesis‚ Electronic Spectra‚ Structural Isomerism: Octahedral Co(III) complexes with Chloride and Ethylenediamine Ligands Abstract: In this experiment‚ Δ/Λ-[Co(en)3]Cl3∙4H2O was synthesized and the absorbance in UV-vis spectrum was recorded
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The natural plant exudate gum tragacanth is obtained from the stem of the bush like plant “goat’s-horn”‚ Astragalus species. Gum tragacanth has been used commercially for well over 2000 years and is currently widely used as a thickener and emulsifier in emulsion systems in different pharmaceutical‚ food‚ cosmetic and diverse industrial uses. In addition‚ it is on the list of stabilizers that are permitted by Food and Agriculture Organization/ World Health Organization that could be used during the
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EXPERIMENT : Iron in Breakfast Cereal by Atomic Absorption Spectroscopy OBJECTIVES : 1) To determine the actual iron content of different brands of cereals 2) To compare the experimental results with the values listed on the manufacturer’s labels. INTRODUCTION : Iron is one of the important minerals that is required for our bodies to function properly. Most of the iron in our body is found in the blood such as haemoglobin‚ approximately 60 -70% of the human body’s iron is found
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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 preservative
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The extinction law for actinic monochromatic light absorbed by a substance layer can be written in the exponential or logarithmic form: I ¼ I0 Á 10ÀeCd ; V.S. Saakov et al.‚ Derivative Spectrophotometry and Electron Spin Resonance (ESR) Spectroscopy for Ecological and Biological Questions‚ DOI 10.1007/978-3-7091-1007-2_2‚ # Springer-Verlag Wien 2013 (2.1) 5 6 2 lgðI0 =IÞ ¼ eCd; Basis of Derivative Spectrophotometry (2.2) where I0 and I are light intensity before and
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spectrophotometric analysis of copper sulphate Introduction: In the modern usage. The term spectroscopy includes a large group of techniques which differ widely in their mode of application and information they reveal. As a useful working definition‚ spectroscopy is a study of interaction of electromagnetic radiation with matter in the experiment it means it’s the usage of ultra-light to measure the absorbance of the copper sulpate. The regions of the electromagnetic spectrum immediately adjacent
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v.13‚ p. 79 – 81. 17. Yokota‚ Fumiaki‚ Shimizu‚ Aviko‚ Gshizuka‚ Toshio and Morikawa Hisashi (2000). Bunseki Kagaku‚ v.49‚ p.765 – 769. 18. Satyanarayana‚ K (1996). Atomic Spectroscopy‚ v. (17)‚ p. 69 – 76. 19. Winge‚ R.K.‚ Fassel‚ V.A.‚ Peterson‚ V.J and Floyd‚ M.A (1985). Inductively Coupled Plasma atomic emission spectroscopy – An atlas of Spectral Information‚ Physical Sciences Data‚ Elsevier‚ Amsterdam‚ p. 20. Govindaraju‚ K (1994). Geostandards Newsletter‚ v. 18‚ p.19. Table 1 - Operating parameters
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