Instrumental Methods: Intro. q Types of Instrumental Methods q Fundamental Components of an Instrument q Instruments Measure Voltages and Currents! (“Machines” do work or make something.) q Basics of Analytical Methods Review Terminology
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qTypes of Instrumental Methods
qFundamental Components of an Instrument
qInstruments Measure Voltages and Currents!
(“Machines” do work or make something.)
qBasics of Analytical Methods
Most notes and figures in this course have been taken from Skoog, Holler and Crouch, Principles of Instrumental Analysis, 6th Edition, Thompson Brooks/Cole Publishing.
V = IR
I= current in amps (A)
R= resistance in ohms (Ω)
EVERYTHING ANALYSIS YOU PERFORM WITH AN INSTRUMENT WILL BE A BATTLE!THE BATTLE BETWEEN SIGNAL AND SELECTIVITY!There is no way to maximize both. You have to choose some happy medium, where you get enough signal to detect the analyte, but can also be selective enough so that you are sure of what you are detecting.