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Molecular Formulas and What Can be Learned from Them |
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1 | (12) |
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Elemental Analysis and Calculations |
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1 | (2) |
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Determination of Molecular Mass |
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3 | (1) |
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4 | (1) |
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Index of Hydrogen Deficiency |
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4 | (3) |
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7 | (3) |
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A Quick Look Ahead to Simple Uses of Mass Spectra |
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10 | (3) |
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11 | (1) |
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12 | (1) |
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13 | (89) |
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The Infrared Absorption Process |
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14 | (1) |
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Uses of the Infrared Spectrum |
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15 | (1) |
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The Modes of Stretching and Bending |
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16 | (2) |
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Bond Properties and Absorption Trends |
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18 | (2) |
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The Infrared Spectrometer |
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20 | (3) |
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Dispersive Infrared Spectrometers |
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20 | (3) |
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Fourier Transform Spectrometers |
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23 | (1) |
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Preparation of Samples for Infrared Spectroscopy |
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23 | (1) |
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What To Look for When Examining Infrared Spectra |
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24 | (3) |
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Correlation Charts and Tables |
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27 | (1) |
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How to Approach the Analysis of a Spectrum (Or What You Can Tell at a Glance) |
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28 | (1) |
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Hydrocarbons: Alkanes, Alkenes, and Alkynes |
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29 | (12) |
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29 | (2) |
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31 | (2) |
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33 | (8) |
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41 | (4) |
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45 | (3) |
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48 | (2) |
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50 | (22) |
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Factors That Influence the C = O Stretching Vibration |
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52 | (2) |
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54 | (2) |
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56 | (4) |
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60 | (2) |
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62 | (6) |
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68 | (2) |
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70 | (1) |
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71 | (1) |
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72 | (3) |
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Nitriles, Isocyanates, Isothiocyanates, and Imines |
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75 | (2) |
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77 | (1) |
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Carboxylate Salts, Amine Salts, and Amino Acids |
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78 | (1) |
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79 | (3) |
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82 | (1) |
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82 | (20) |
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84 | (17) |
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101 | (1) |
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Nuclear Magnetic Resonance Spectroscopy |
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PART ONE: BASIC CONCEPTS |
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102 | (65) |
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102 | (1) |
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103 | (1) |
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104 | (2) |
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The Mechanism of Absorption (Resonance) |
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106 | (2) |
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Population Densities of Nuclear Spin States |
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108 | (1) |
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The Chemical Shift and Shielding |
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109 | (2) |
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The Nuclear Magnetic Resonance Spectrometer |
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111 | (6) |
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The Continuous-Wave (CW) Instrument |
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111 | (2) |
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The Pulsed Fourier Transform (FT) Instrument |
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113 | (4) |
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Chemical Equivalence---A Brief Overview |
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117 | (1) |
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Integrals and Integration |
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118 | (2) |
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Chemical Environment and Chemical Shift |
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120 | (1) |
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Local Diamagnetic Shielding |
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121 | (4) |
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Electronegativity Effects |
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121 | (2) |
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123 | (1) |
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Acidic and Exchangeable Protons: Hydrogen Bonding |
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124 | (1) |
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125 | (3) |
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Spin-Spin Splitting (n + 1) Rule |
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128 | (3) |
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The Origin of Spin-Spin Splitting |
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131 | (2) |
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The Ethyl Group (CH3CH2--) |
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133 | (1) |
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134 | (1) |
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134 | (3) |
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A Comparison of NMR Spectra at Low and High Field Strengths |
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137 | (1) |
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Survey of Typical 1H NMR Absorptions by Type of Compound |
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138 | (29) |
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139 | (1) |
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140 | (1) |
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140 | (2) |
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142 | (1) |
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143 | (1) |
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144 | (1) |
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145 | (1) |
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146 | (1) |
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147 | (1) |
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148 | (1) |
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149 | (1) |
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150 | (1) |
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150 | (2) |
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152 | (1) |
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153 | (1) |
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154 | (12) |
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166 | (1) |
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Nuclear Magnetic Resonance Spectroscopy |
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PART TWO: CARBON-13 SPECTRA, INCLUDING HETERONUCLEAR COUPLING WITH OTHER NUCLEI |
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167 | (50) |
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167 | (1) |
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Carbon-13 Chemical Shifts |
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168 | (3) |
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168 | (2) |
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Calculation of 13C Chemical Shifts |
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170 | (1) |
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Proton-Coupled 13C Spectra---Spin-Spin Splitting of Carbon-13 Signals |
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171 | (2) |
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Proton-Decoupled 13C Spectra |
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173 | (1) |
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Nuclear Overhauser Enhancement (NOE) |
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174 | (2) |
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Cross-Polarization: Origin of the Nuclear Overhauser Effect |
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176 | (3) |
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Problems with Integration in 13C Spectra |
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179 | (1) |
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Molecular Relaxation Processes |
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180 | (2) |
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182 | (1) |
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182 | (3) |
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Some Sample Spectra---Equivalent Carbons |
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185 | (2) |
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Compounds with Aromatic Rings |
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187 | (2) |
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Carbon-13 NMR Solvents---Heteronuclear Coupling of Carbon to Deuterium |
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189 | (4) |
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Heteronuclear Coupling of Carbon to Fluorine-19 |
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193 | (1) |
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Heteronuclear Coupling of Carbon to Phosphorus-31 |
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194 | (23) |
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195 | (21) |
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216 | (1) |
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Nuclear Magnetic Resonance Spectroscopy |
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PART THREE: SPIN-SPIN COUPLING |
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217 | (89) |
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Coupling Constants: Symbols |
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217 | (1) |
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Coupling Constants: The Mechanism of Coupling |
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218 | (10) |
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219 | (1) |
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220 | (3) |
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Three-Bond Couplings (3J) |
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223 | (4) |
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Long-Range Couplings (4J--nJ) |
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227 | (1) |
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228 | (3) |
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Nonequivalence Within a Group---The Use of Tree Diagrams when the n + 1 Rule Fails |
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231 | (3) |
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Measuring Coupling Constants from First Order Spectra |
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234 | (3) |
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Simple Multiplets---One Value of J (One Coupling) |
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234 | (1) |
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More Complex Multiplets---More Than One Value of J |
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235 | (2) |
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237 | (1) |
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Mechanisms of Coupling in Alkenes; Allylic Coupling |
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238 | (3) |
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Measuring Coupling Constants---Analysis of an Allylic System |
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241 | (5) |
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Is the n + 1 Rule Ever Really Obeyed? |
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246 | (1) |
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Second-Order Spectra---Strong Coupling |
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247 | (8) |
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First-Order and Second-Order Spectra |
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247 | (1) |
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248 | (1) |
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The A2, AB, and AX Spin Systems |
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248 | (3) |
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The AB2 ... AX2 and A2B2 ... A2X2 Spin Systems |
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251 | (3) |
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254 | (1) |
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The Absence of Second-Order Effects at Higher Field |
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254 | (1) |
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Deceptively Simple Spectra |
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255 | (1) |
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255 | (1) |
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Aromatic Compounds---Substituted Benzene Rings |
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255 | (9) |
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256 | (3) |
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259 | (2) |
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261 | (3) |
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Coupling in Heteroaromatic Systems |
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264 | (1) |
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265 | (3) |
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Homotopic, Enantiotopic, and Diastereotopic Systems |
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268 | (2) |
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Spectra of Diastereotopic Systems |
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270 | (36) |
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Diastereotopic Methyl Groups: (S)-(+)-3-Methyl-2-butanol |
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270 | (3) |
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Diastereotopic Hydrogens: 1,2-Dichloropropane |
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273 | (1) |
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Diastereotopic Fluorines: 1-Bromo-2-chloro-1,1,2-trifluoroethane |
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273 | (2) |
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275 | (29) |
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304 | (2) |
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Nuclear Magnetic Resonance Spectroscopy |
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PART FOUR: OTHER TOPICS IN ONE-DIMENSIONAL NMR |
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306 | (220) |
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Protons on Oxygen: Alcohols |
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306 | (3) |
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Exchange in Water and D2O |
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309 | (3) |
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Acid/Water and Alcohol/Water Mixtures |
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309 | (1) |
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310 | (1) |
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Peak Broadening Due to Exchange |
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311 | (1) |
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Other Types of Exchange: Tautomerism |
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312 | (2) |
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Protons on Nitrogen: Amines |
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314 | (4) |
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Protons on Nitrogen: Quadrupole Broadening and Decoupling |
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318 | (1) |
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319 | (3) |
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The Effect of Solvent on Chemical Shift |
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322 | (1) |
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Chemical Shift Reagents; High-Field Spectra |
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323 | (3) |
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326 | (1) |
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Spin Decoupling Methods; Double Resonance |
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326 | (3) |
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329 | (24) |
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332 | (20) |
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352 | (1) |
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353 | (37) |
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The Nature of Electronic Excitations |
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353 | (2) |
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The Origin of UV Band Structure |
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355 | (1) |
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Principles of Absorption Spectroscopy |
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355 | (1) |
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356 | (1) |
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357 | (1) |
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358 | (1) |
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359 | (3) |
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The Effect of Conjugation |
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362 | (1) |
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The Effect of Conjugation on Alkenes |
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363 | (3) |
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The Woodward-Fieser Rules for Dienes |
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366 | (3) |
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Carbonyl Compounds: Enones |
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369 | (3) |
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Woodward's Rules for Enones |
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372 | (2) |
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α ,β-Unsaturated Aldehydes, Acids, and Esters |
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374 | (1) |
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374 | (9) |
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Substituents with Unshared Electrons |
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376 | (2) |
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Substituents Capable of π-Conjugation |
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378 | (1) |
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Electron-Releasing and Electron-Withdrawing Effects |
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378 | (1) |
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Disubstituted Benzene Derivatives |
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378 | (3) |
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Polynuclear Aromatic Hydrocarbons and Heterocyclic Compounds |
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381 | (2) |
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383 | (1) |
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Visible Spectra: Color in Compounds |
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384 | (1) |
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What To Look for in an Ultraviolet Spectrum: A Practical Guide |
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385 | (5) |
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387 | (2) |
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389 | (1) |
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390 | (76) |
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390 | (3) |
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Gas Chromatography-Mass Spectrometry |
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393 | (1) |
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394 | (3) |
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Determination of Molecular Weight |
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397 | (2) |
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Determination of Molecular Formulas |
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399 | (5) |
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Precise Mass Determination |
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399 | (1) |
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400 | (4) |
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Some Fragmentation Patterns |
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404 | (41) |
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405 | (3) |
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408 | (2) |
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410 | (2) |
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412 | (1) |
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413 | (4) |
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417 | (5) |
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422 | (1) |
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423 | (2) |
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425 | (3) |
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428 | (3) |
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431 | (2) |
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433 | (4) |
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Selected Nitrogen and Sulfur Compounds |
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437 | (4) |
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Alkyl Chlorides and Alkyl Bromides |
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441 | (4) |
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445 | (1) |
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Computerized Matching of Spectra with Spectral Libraries |
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446 | (20) |
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448 | (17) |
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465 | (1) |
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Combined Structure Problems |
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466 | (60) |
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468 | (2) |
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470 | (2) |
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472 | (4) |
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476 | (2) |
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478 | (47) |
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Sources of Additional Problems |
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525 | (1) |
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Nuclear Magnetic Resonance Spectroscopy |
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PART FIVE: ADVANCED NMR TECHNIQUES |
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526 | |
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526 | (2) |
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Pulse Widths, Spins, and Magnetization Vectors |
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528 | (4) |
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532 | (4) |
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Determining the Number of Attached Hydrogens |
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536 | (4) |
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536 | (1) |
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537 | (2) |
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539 | (1) |
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539 | (1) |
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540 | (1) |
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Introduction to Two-Dimensional Spectroscopic Methods |
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540 | (1) |
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540 | (5) |
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An Overview of the COSY Experiment |
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541 | (1) |
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542 | (3) |
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545 | (5) |
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An Overview of the HETCOR Experiment |
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546 | (1) |
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How To Read HETCOR Spectra |
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546 | (4) |
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Magnetic Resonance Imaging |
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550 | |
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552 | (27) |
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579 | |
ANSWERS TO SELECTED PROBLEMS |
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1 | (1) |
APPENDICES |
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Appendix 1 Infrared Absorption Frequencies of Functional Groups |
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2 | (6) |
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Appendix 2 Approximate 1H Chemical Shift Ranges (ppm) for Selected Types of Protons |
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8 | (1) |
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Appendix 3 Some Representative 1H Chemical Shift Values for Various Types of Protons |
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9 | (3) |
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Appendix 4 1H Chemical Shifts of Selected Heterocyclic and Polycyclic Aromatic Compounds |
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12 | (1) |
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Appendix 5 Typical Proton Coupling Constants |
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13 | (4) |
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Appendix 6 Calculation of Proton (1H) Chemical Shifts |
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17 | (4) |
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Appendix 7 Approximate 13C Chemical Shift Ranges (ppm) for Selected Types of Carbon |
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21 | (1) |
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Appendix 8 Calculation of 13C Chemical Shifts |
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22 | (9) |
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Appendix 9 13C Coupling Constants |
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31 | (1) |
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Appendix 10 1H and 13C Chemical Shifts for Common NMR Solvents |
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32 | (1) |
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Appendix 11 Tables of Precise Masses and Isotopic Abundance Ratios for Molecular Ions Under Mass 100 Containing Carbon, Hydrogen, Nitrogen, and Oxygen |
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33 | (6) |
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Appendix 12 Common Fragment Ions Under Mass 105 |
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39 | (3) |
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Appendix 13 Handy-Dandy Guide to Mass Spectral Fragmentation Patterns |
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42 | (3) |
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Appendix 14 Index of Spectra |
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45 | |
Index |
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1 | |