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Chapter 24 Introduction to Spectrochemical Methods
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Crystal field splitting Tanabe-Sugano d3 Origin of diagram Possible transitions Selection rules Spin (superscript) DS = 0 Symmetry (g vs u) no change (g g ...
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????? ? ???? ????? ??? ? ??? ???? ????? ???? ?? ???? ? ?????? ... coalesce. LIQ. FLOW. GAS. GAS. In the angular or crossed - flow nebulizer , ...
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Degree which light absorbed or the primary light emitted ... Nanometer and micrometer units used for wavelength. Something to remember ...
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Studying the Spectrochemical Series: Crystal Fields of ... Spectrochemical Series. Halides OH- C2O42- H2O NCS- py NH3 ... spectrochemical ...
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This energy will be lost by the sample, usually in the form of heat. Often the energy is lost by production of photons whose energy matches the ...
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Cobalt (II) Different colours. Different ligands. Spectrochemical series. Different geometries ... Cobalt. Co2 Complicated. A /% n /cm-1. Question. Why are the ...
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In conjunction with other aerosol diagnostic devices to make a measurement (SMPS) ... Ingle, J.D. and Crouch, S.R. Spectrochemical Analysis, (1988) Prentice Hall, ...
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Chemplex is a leading global provider of XRF Sample Preparation Equipments, XRF Consumables, Pellet Presses, Grinder, Fusion, platinum ware calibration, and checks standards.
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Interference and Diffraction. http://en.wikipedia.org/wiki/Diffraction. Huygens-Fresnel Principle. Adapted from: Eugene Hecht, Optics, Addison-Wesley, Reading, MA, ...
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Fluorescence or Phosphorescence? p p* transitions are most favorable for fluorescence. e is high (100 1000 times greater than n p*) kF is also high ...
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Chemplex is a leading global provider of XRF Sample Preparation Equipments, XRF Consumables, Pellet Presses, Grinder, Fusion, platinum ware calibration, and checks standards.
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Bonding in complexes of d-block metal ions Crystal Field Theory. eg energy d-shell split by presence of ligand donor-atoms 3d sub-shell Co3+ ion
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Anodic Current. Collection Efficiency ( ) depends on the bias voltage (Eb) ... Average anodic current. Single photon counting. Modes of Operations. Hamamatsu Catalog ...
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Title: Colors & How We Preceive it Author: Dr. Fred Omega Garces Last modified by: user Created Date: 5/10/1998 10:27:24 PM Document presentation format
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Optical Pumping. Intense light ... Excites to a metastable state to achieve population inversion. With fast flashing, initial photons start chain reaction ...
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Can increase light throughput by 10-200 fold. ... a mixture of the good solvent methyl isobutyl ketone and the nonsolvent (C6D12) ...
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Title: Lecture 2 Author: GWH28-DGCMP-P6RC4-6J4MT-3HFDY Last modified by: Authorized User Created Date: 1/31/2006 12:48:03 PM Document presentation format
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... with which photon energy is converted to photo-electrons. Units: A / W ... Collection Efficiency ( ) depends on the bias voltage (Eb). Arrival Rate at the Anode ...
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In a complementary fashion, if the sample absorbed only orange, it would appear ... i) Separate metal and ligands high energy. ii) Co-ordinated Metal - ligand ...
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... Invention of laser makes Raman experiments reasonable 1977 Surface-enhanced Raman scattering ... Raman intensities a to concentration and laser power.
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Chemplex is a leading global provider of XRF Sample Preparation Equipments, XRF Consumables, Pellet Presses, Grinder, Fusion, platinum ware calibration, and checks standards.
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Resonance Raman. Raman signal intensities can be enhanced by resonance ... http://www.photobiology.com/v1/udaltsov/udaltsov.htm. lex = 441.6 nm. lex = 514.5 nm ...
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The variation in CFSE can be compared with the log K1 values for EDTA complexes on the next : Irving and Williams noted that because of CFSE, ...
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Coordination Chemistry II Bonding, including crystal field theory and ligand field theory Tetragonal Complexes The elongation along the z axis causes the d orbitals ...
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Seyhan Ege, Organic Chemistry, D.C. Heath and Company, ... Dichromatic Beamsplitters. http://microscope.fsu.edu/primer/techniques/fluorescence/filters.html ...
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Placing electrons in d orbitals (strong vs weak field) Strong field Weak field Strong field Weak field d1 d2 Strong field Weak field
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ML6 s-only bonding anti bonding d0-d10 electrons metal character non bonding The bonding orbitals, essentially the ligand lone pairs, will not be worked ...
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Transition Metal Chemistry The Chemistry of the d-block elements The Periodic Table Electronic configurations The two exceptions Ions Transition metals are defined as ...
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Lecture 17. Jahn-Teller distortion and coordination number four Long axial Cu-O bonds = 2.45 four short in-plane Cu-O bonds = 2.00 [Cu(H2O)6]2+
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Chapter 24 Chemistry of Coordination Compounds Complexes A central metal atom bonded to a group of molecules or ions is a metal complex. If it s charged, it s a ...
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Chapter 21: Transition Metals and Coordination Chemistry. Review of ... Figure 21.7 The Coordination of EDTA with a 2 Metal Ion. Figure 21.16. Example 1 ...
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Ligand field theory considers the effect of different ligand environments (ligand fields) on the energies of the d-orbitals. The energies of the d orbitals in ...
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Title: Slide 1 Author: Richard Watts Last modified by: UCSB Created Date: 11/15/2006 8:56:36 PM Document presentation format: On-screen Show Company
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Chapter 22 The Chemistry of the Transition Elements Important Read Before Using Slides in Class Instructor: This PowerPoint presentation contains photos and ...
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Unit 3 Summary Crystal Field Theory x z y Mn+ - - - - - - Which d-orbitals are effected the most? z M x dz2 along z-axis z x x dx2- y2 along x-y axis M These two d ...
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Atomic Electronic States Term Symbols ... if more than half-filled, take the maximum value J = L S; ... n = 3, S = , 2S 1 = 2, L = 1 (P term), J = 3/2, 1/2. ...
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Chapter 24 Chemistry of Coordination Compounds Complexes A central metal atom bonded to a group of molecules or ions is a metal complex. If it s charged, it s a ...
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Raman Spectroscopy Raman Spectroscopy Classical Theory of Raman Effect Photon-Molecule Interactions Raman Scattering Are you getting the concept?
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Isomer. Type of isomers? geometric. Name. Left: cis-diamminedichloroplatinum(II) ... 6 isomers: Two all-cis isomers (stereoisomers of each other) One all-trans ...
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http://www.bbc.co.uk/schools/gcsebitesize/img/gcsechem_14.gif. Periodic Trends ... http://www.bbc.co.uk/schools/gcsebitesize/img/gcsechem_14.gif. Chang, Raymond. ...
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Coordination Chemistry. A basic introduction with a critical application! Coordination Compound ... of your classmates who have taken chemistry at ANY level. ...
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Title: CuPd and AgPd Alloys Author: Peter Weightman Last modified by: Peter Weightman Created Date: 12/29/2005 8:13:36 PM Document presentation format
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CN- NO2- en NH3 H2O OH- F- Cl- Br- I- Example: ... Electrons in the split d orbitals can absorb energy and be promoted to the higher energy levels ...
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Molecular Luminescence. Emission of a photon as an excited state molecule returns ... Triboluminescence. http://www.shef.ac.uk/content/1/c6/01/89/68/luminescence.jpg ...
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Transition Metal Chemistry: Crystal Field Theory Jessica Comstock Kata Haeberlin Kelsey Fisher Transition Metals elements in which the d and f subshells are ...
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Most light is scattered at the incident wavelength ... A holographic beam splitter isolates Raman light. with a rejection ratio of 106 :1 ...
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Title: PowerPoint Presentation Author: Emma Schofield Last modified by: John Pollard, Ph.D. Created Date: 10/29/2001 3:20:36 PM Document presentation format
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Chapter 20. Transition Metals and Coordination Chemistry ... another example is: [Co(en)3][Cr(ox)3] and [Cr(en)3][Co(ox)3] ox represents the oxalate ion. ...
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Coordination Chemistry II: Bonding Chapter 10 Thermodynamic Data Stability constants or formation constants are often used to indicate bond strengths.
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OH- and NO3- diffuse across anion-permeable membrane in opposite directions (charge neutral) ... Anion. Permeable. Membrane. Micromachined Nitrate Sensor System ...
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The crystal field model concentrates on the splitting of the d orbitals of the ... cyano complexes are more labile. cyano complexes are more tightly bound ...
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Coordinate covalent bond (dative bond) one molecule provides both electrons (Lewis base) the other molecule accepts electron pair. into an empty orbital (Lewis ...
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... tetragonal distortion of the octahedron, with the extreme of ... regular octahedron tetragonal square plane. distortion. Axial ligands. Removed. entirely ...
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Handbook of ICP-AES, Thompson & Walsh. Viridian Publishing, reprinted 2003. ... HIGH SELECTIVITY( ) ONLY DETERMINE ELEMENT. NOT COMPOUND (-) AA. AE. PRODUCE FREE ATOMS ...
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Lecture Presentation Coordination Chemistry Chapter 24 April 25, 2005 Why Study Descriptive Chemistry of Transition Metals Transition metals are found in nature Rocks ...
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