LEADER 05187nam 2200637 a 450 001 9910830551103321 005 20170815122422.0 010 $a1-280-26487-X 010 $a9786610264872 010 $a0-470-25207-3 010 $a0-471-47934-9 010 $a0-471-47935-7 035 $a(CKB)1000000000019043 035 $a(EBL)214320 035 $a(OCoLC)224084241 035 $a(SSID)ssj0000264519 035 $a(PQKBManifestationID)11217817 035 $a(PQKBTitleCode)TC0000264519 035 $a(PQKBWorkID)10291011 035 $a(PQKB)11344572 035 $a(MiAaPQ)EBC214320 035 $a(PPN)150783876 035 $a(EXLCZ)991000000000019043 100 $a20040218d2004 uy 0 101 0 $aeng 135 $aur|n|---||||| 181 $ctxt 182 $cc 183 $acr 200 10$aUnderstanding mass spectra$b[electronic resource] $ea basic approach /$fR. Martin Smith 205 $a2nd ed. 210 $aHoboken, N.J. $cWiley Interscience$dc2004 215 $a1 online resource (394 p.) 300 $aDescription based upon print version of record. 311 $a0-471-42949-X 320 $aIncludes bibliographical references and index. 327 $aUNDERSTANDING MASS SPECTRA Second Edition; CONTENTS; Preface to the Second Edition; Acknowledgments; Abbreviations and Notations Used in This Book; 1 Instrumentation; 1.1. Introduction; 1.1.1. Overview; 1.1.2. Sample Introduction; 1.2. Ionization Source; 1.2.1. Electron Ionization Source; 1.2.2. Chemical Ionization; 1.2.3. Other Ionization Methods; 1.2.3.1. Electrospray Ionization; 1.2.3.2. Desorption Ionization; 1.3. m/z Analysis; 1.3.1. Time-of-Flight (TOF); 1.3.2. Magnetic Sector; 1.3.3. Transmission Quadrupole; 1.3.3.1. Selected Ion Monitoring (SIM); 1.3.4. Quadrupole Ion Trap (QIT) 327 $a1.3.5. Other Types of Mass Analysis1.3.5.1. Mass Spectrometry/Mass Spectrometry(MS/MS); 1.3.5.2. Accurate m/z Analysis; 1.3.6. Spectral Skewing; 1.4. Ion Detection; 1.4.1. Electron Multiplier; 1.4.2. Photomultiplier Detector; 1.5. Data System; 1.5.1. Instrument Tuning and Calibration; 1.5.2. The Mass Spectrum; 1.5.2.1. Production of the Mass Spectrum; 1.5.2.2. Terminology: Ions vs. Peaks; 1.5.3. Library Searches; 1.5.4. Using the Data System to Analyze GC/MS Data; 1.6. Criteria for Good-Quality Spectra; Additional Problems; Mass Spectrometric Resources on the Internet 327 $aReferences and Suggested Reading2 Elemental Composition from Peak Intensities; 2.1. Natural Isotopic Abundances; 2.1.1. Atomic and Molecular Mass; 2.1.2. Calculated Exact Masses and Mass Defects; 2.2. Determining Elemental Composition from Isotope Peak Intensities; 2.2.1. One or More Atoms of a Single Element; 2.2.1.1. Chlorine and Bromine; 2.2.1.2. Ion Designation and Nomenclature; 2.2.1.3. Probability Considerations with Multiple Numbers of Atoms; 2.2.1.4. Isotope Peak Intensity Ratios for Carbon-Containing Ions-The X + 1 Peak; 2.2.1.5. A, A + 1, and A + 2 Elements 327 $a2.2.1.6 Isotope Peak Intensity Ratios for Carbon-Containing Ions-The X + 2 Peak2.2.1.7. Overlapping Peak Clusters-Contributions from (13)C Only; 2.2.1.8. Silicon; 2.2.2. Complex Isotope Clusters; 2.2.2.1. Sulfur Dioxide; 2.2.2.2. Diazepam; 2.3. Obtaining Elemental Compositions from Isotope Peak Intensities; Examples; Additional Problems; References; 3 Ionization, Fragmentation, and Electron Accounting; 3.1. A Brief Review of Orbitals and Bonding; 3.2. Even- and Odd-Electron Species; 3.3. Site of Initial Ionization; 3.4. Types of Fragmentation; 3.5. The Nitrogen Rule 327 $a3.6. Energy Considerations in Fragmentation Processes3.6.1. Fragmentation Rates; 3.6.2. Metastable Ions; 3.6.3. Energy Diagrams; 3.6.4. Stevenson's Rule; Additional Examples; Problems; References; 4 Neutral Losses and Ion Series; 4.1. Neutral Losses; 4.1.1. Losses from the Molecular Ion; 4.1.2. Loss of Small Molecules from Aromatic Ions; 4.2. Low-Mass Ion Series; 4.2.1. n-Alkane Spectra; 4.2.2. Effect of Chain Branching on the Spectra of Aliphatic Hydrocarbons; 4.2.3. Ion Series for Nonaromatic Compounds; 4.2.4. Aromatic Ion Series; 4.2.5. Use of Ion Series: Mass Chromatograms 327 $aAdditional Problems 330 $aUnderstanding Mass Spectra: A Basic Approach, Second Edition combines coverage of the principles underlying mass spectral analysis with clear guidelines on how to apply them in a laboratory setting. Completely revised from the first edition, an updated and unified approach to mass spectral interpretation emphasizes the application of basic principles from undergraduate organic, analytical, and physical chemistry courses.A detailed overview of theory and instrumentation, this useful guide contains step-by-step descriptions of interpretative strategies and convenient lists and tables detaili 606 $aMass spectrometry 615 0$aMass spectrometry. 676 $a543 676 $a543.0873 676 $a543/.0873 700 $aSmith$b R. Martin$0464414 801 0$bMiAaPQ 801 1$bMiAaPQ 801 2$bMiAaPQ 906 $aBOOK 912 $a9910830551103321 996 $aUnderstanding mass spectra$9192679 997 $aUNINA LEADER 01836nam 2200613 450 001 9910817515503321 005 20240131185853.0 010 $a1-4438-6424-2 035 $a(CKB)2550000001333993 035 $a(OCoLC)885122959 035 $a(CaPaEBR)ebrary10905657 035 $a(SSID)ssj0001410327 035 $a(PQKBManifestationID)11771487 035 $a(PQKBTitleCode)TC0001410327 035 $a(PQKBWorkID)11394236 035 $a(PQKB)11132671 035 $a(MiAaPQ)EBC1753142 035 $a(Au-PeEL)EBL1753142 035 $a(CaPaEBR)ebr10905657 035 $a(CaONFJC)MIL630476 035 $a(OCoLC)884726182 035 $a(FINmELB)ELB132630 035 $a(EXLCZ)992550000001333993 100 $a20140823d2013 uy| 0 101 0 $aeng 135 $aurcnu|||||||| 181 $ctxt 182 $cc 183 $acr 200 00$aDiscourses of space /$fedited by Judit Pieldner and Zsuzsanna Ajtony 210 1$aNewcastle upon Tyne :$cCambridge Scholars Publishing,$d2013. 215 $a1 online resource (331 p.) 300 $aBibliographic Level Mode of Issuance: Monograph 311 $a1-4438-4971-5 311 $a1-306-99225-7 320 $aIncludes bibliographical references. 606 $aSpace in literature 606 $aDiscourse analysis 606 $aSpace in motion pictures 606 $aGeographical perception in literature 615 0$aSpace in literature. 615 0$aDiscourse analysis. 615 0$aSpace in motion pictures. 615 0$aGeographical perception in literature. 676 $a809/.9332 702 $aPieldner$b Judit 702 $aAjtony$b Zsuzsanna 801 0$bMiAaPQ 801 1$bMiAaPQ 801 2$bMiAaPQ 906 $aBOOK 912 $a9910817515503321 996 $aDiscourses of space$93975140 997 $aUNINA