核磁质谱图谱
相关主题
- 1、下载文档前请自行甄别文档内容的完整性，平台不提供额外的编辑、内容补充、找答案等附加服务。
- 2、"仅部分预览"的文档,不可在线预览部分如存在完整性等问题,可反馈申请退款(可完整预览的文档不适用该条件!)。
- 3、如文档侵犯您的权益，请联系客服反馈,我们会尽快为您处理(人工客服工作时间：9:00-18:30)。
• Mass spectrum
Isotope and mass, Isoቤተ መጻሕፍቲ ባይዱope abundance
• Quality parameters of mass spectrometer
Resolution, Mass accuracy, Sensitivity
Isotopic Abundance
Mass Spectrometry Fundamentals
Key topics: • Mass spectrometer
Ionization, Mass analyzers, Mass spectrometers
• Charge state of protein and peptides
MALDI-TOF MS, ESI MS
(a+b)n
Mass Spectrum with Sulfur
=>
Mass Spectrum with Chlorine
=>
Mass Spectrum with Bromine
=>
Mass Spectra of Alkanes
More stable carbocations will be more abundant.
=>
Mass Spectra of Alkenes
Resonance-stabilized cations favored.
=>
Isotope and mass, Isoቤተ መጻሕፍቲ ባይዱope abundance
• Quality parameters of mass spectrometer
Resolution, Mass accuracy, Sensitivity
Isotopic Abundance
Mass Spectrometry Fundamentals
Key topics: • Mass spectrometer
Ionization, Mass analyzers, Mass spectrometers
• Charge state of protein and peptides
MALDI-TOF MS, ESI MS
(a+b)n
Mass Spectrum with Sulfur
=>
Mass Spectrum with Chlorine
=>
Mass Spectrum with Bromine
=>
Mass Spectra of Alkanes
More stable carbocations will be more abundant.
=>
Mass Spectra of Alkenes
Resonance-stabilized cations favored.
=>