Full set of Notes with Fill-Ins - San Jose State University

Chem 155 Unit 1 Page 4 of 3166.5 Angular dispersion: .......................................................................... 1236.6 Effective bandwidth .......................................................................... 1256.7 Bandwith and Atomic Spectroscopy ................................................. 1266.8 Factors That Control Δλ EFF ............................................................... 1276.9 Resolution Defined ........................................................................... 1286.10 Grating Resolution ......................................................................... 1296.11 Grating Resolution Exercise: .......................................................... 1306.12 High Resolution and Echelle Monochromators .............................. 1327 Photometric Issues in Atomic Spectroscopy .................................................. 1378 Practical aspects of atomic spectroscopy: ..................................................... 1518.1 Nebulization (sample introduction): .................................................. 1528.2 Atomization ...................................................................................... 1568.3 Flame Chemistry and Matrix Effects ................................................ 1578.4 Flame as ‘sample holder’: ................................................................ 1588.5 Optimal observation height: .............................................................. 1598.6 Flame Chemistry and Interferences: ................................................ 1608.7 Matrix adjustments in atomic spectroscopy: ..................................... 1619 Atomic Emission Spectroscopy ...................................................................... 1629.1 AAS / AES Review: .......................................................................... 1639.2 Types of AES: .................................................................................. 1649.3 Inert-Gas Plasma Properties (ICP,DCP) .......................................... 1659.4 Predominant Species are Ar, Ar + , and electrons .............................. 1659.5 Inductively Coupled Plasma AES: ICP-AES .................................. 1669.6 ICP Torches ..................................................................................... 1679.7 Atomization in Ar-ICP ....................................................................... 1689.8 Direct Current Plasma AES: DCP-AES ........................................... 1699.9 Advantages of Emission Methods .................................................... 1709.10 Accuracy and Precision in AES ...................................................... 17210 Ultraviolet-Visible and Near Infrared Absorption .......................................... 17710.1 Overview ........................................................................................ 17710.2 The Blank ....................................................................................... 17810.3 Theory of light absorbance ............................................................. 17910.4 Extinction Cross Section Exercise: ................................................. 18010.5 Limitations to Beer’s Law: .............................................................. 18210.6 Noise in Absorbance Calculations: ................................................. 18510.7 Deviations due to Shifting Equilibria: .............................................. 18610.8 Monochromator Slit Convolution in UV-Vis: ................................... 18910.9 UV-Vis Instrumentation: ................................................................. 19110.10 Single vs. double-beam instruments: ........................................... 19211 UV-Visible Spectroscopy of Molecules ........................................................ 19511.1 Spectral Assignments ..................................................................... 19611.2 Classification of Electronic Transitions ........................................... 19711.3 Spectral Peak Broadening .............................................................. 19811.4 Aromatic UV-Visible absorptions: ................................................... 20111.5 UV-Visible Bands of Aqeuous Transition Metal Ions ...................... 20211.6 Charge-Transfer Complexes .......................................................... 205Page 4 of 316