FIU CHM 4130 - CHAPTER 1_Xiao_Introduction_2018 (38 pages)

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CHAPTER 1_Xiao_Introduction_2018



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PLEASE TURN CELL PHONES OFF CHM 4130 Instrumental Analysis Spring 2018 3 Credits Time Day TR 12 30 1 45 pm Location OE 134 Instructor Dr Yi Xiao Office CP 306 Office hours Tues 3 4 pm and Thurs 3 4 pm E mail yxiao2 fiu edu Textbook Principles Of Instrumental Analysis 6th Edition By Skoog Holler Crouch REQUIRED Grading policy CHM 4130 Two regular exams 60 Total three regular exams will be given You can drop one of the three regular exams Final exam 40 Homework Will be assigned for each chapter and will not be collected but some of them will put on Exams n About Analytical Chemistry 1 Qualitative analysis Identify and classify the analyte 2 Quantitative analysis Determine the amount or concentration of the analyte n Classification of Analytical Methods Classical methods wet chemical methods n Instrumental methods n Comparisons of Wet Chemical and Instrumental Methods Wet chemical Instrumental Separation methods Precipitation Extraction Distillation Chromatographic Electrophoretic Quantitative methods Gravimetric Volumeric Conductivity Electrode potential light absorption emission Mass charge ratio M Z fluorescence n Types of Instrumental Methods energy source stimulus vs analyte response n Separation techniques n Chromatography n n n Electrophoresis n n Gas Liquid Many types Detection techniques n n Electrochemistry Optical spectroscopy n n n n Absorption Emission Fluorescence Mass spectroscopy n n Atomic Molecular Data domains various modes of encoding information n Non electrical domains n n Length pressure density light intensity number etc Electrical domains Analog domain n Time domain n Digital domain n Non electrical transducer electrical Non electrical Electrical Data domains n Analog Domain Magnitude of Voltage current charge or power potential problems with electric noise Electrical Data domains n Time Domain frequency pulse width phase etc Digital domain n Digital Domain counts serial number etc n Instruments for Analysis Energy Source Sample Analytical



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