《现代有机质谱概论》PPT教学讲义（英文）

现代有机质谱概论

现代有机质谱概论

Outline Introduction · Instrument of oms Tandem Technology Main application

Outline • Introduction • Instrument of OMS • Tandem Technology • Main Application

Modern Organic Mass Spectrometry (OMs) Molecular Mass Spectrometry

Modern Organic Mass Spectrometry ( OMS ) Molecular Mass Spectrometry

OMS is a basic and high-technical science In which, physics, electronics and computer science were applied to study physical and chemical character of organic molecules

OMS is a basic and high-technical science. In which , physics, electronics and computer science were applied to study physical and chemical character of organic molecules

Mass Spectrometry had its origin in early last century Application of organic mass spectrometry for chemical analysis occurred in early 1940s

• Mass Spectrometry had its origin in early last century • Application of organic mass spectrometry for chemical analysis occurred in early 1940s

Quantitative analysis of hydrocarbon mixtures(9) produced in catalytic crackers Methods require time Fractional distillation refractive index 200 hours Organic mass spectrometry one hour or more

Quantitative analysis of hydrocarbon mixtures ( 9 ) produced in catalytic crackers Methods require time Fractional distillation , refractive index > 200 hours Organic mass spectrometry one hour or more

Beginning in the 1950s, chemists have used commercial organic mass spectrometer for identification and structural elucidation of a wide variety of organic compounds

Beginning in the 1950s , chemists have used commercial organic mass spectrometer for identification and structural elucidation of a wide variety of organic compounds

The use of the ms combined with the NMr IR and uv revolutionized the way organic chemists went about identifying and determining the structure of organic molecules

The use of the MS combined with the NMR IR and UV revolutionized the way organic chemists went about identifying and determining the structure of organic molecules

Mass spectrometry Determine molecular weight Elucidate structure of organic molecule Identify unknown compounds Quantify known materials Accuracy, sensitive and rapid

Mass Spectrometry • Determine molecular weight • Elucidate structure of organic molecule • Identify unknown compounds • Quantify known materials • Accuracy, sensitive and rapid

OMS has been a powerful analytical tool in modern structure chemistry and analytical chemistry

OMS has been a powerful analytical tool in modern structure chemistry and analytical chemistry