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Shimadzuʼs Fundamental Guide to Gas Chromatography …
Shimadzu produced our first Gas Chromatography Mass Spectrometry (GCMS) system in 1970 and has a long-standing history of GCMS technologies. With the current analytical trends and developments, we continue to pioneer new frontiers for GCMS.
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Basics & Fundamentals - Gas Chromatography
www.shimadzu.eu.comGas chromatography (GC) is an analytical methodology, which was devised by Nobel Laureate, Martin, et al. in 1952. More than 60 years after the award, GC systems are widely commercialized and used in various industries, capable of both of quantitation and qualifcation. GC is applicable for many types of analysis in the markets such as residual
Tips for practical HPLC analysis
www.shimadzu.eu.comHPLC-type acetonitrile has the lowest absorbance (particularly for short wavelengths). Using an organic solvent with lower absorbance as the mobile phase results in less noise in UV detection, and so HPLC-type acetonitrile is suitable for high-sensitivity analysis in the UV short-wavelength range. Also, using HPLC-type acetonitrile
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Teaching Tools: Fundamentals of Mass Spectrometry Theory
www.agilent.comApr 05, 2016 · Mass Spectrometry Fundamentals –Theory. For Teaching Purpose Only 5. April 2016 2 This slide set was created by Agilent for teaching purposes only. If you wish to use the pictures, sketches, or drawings for any other purpose, please contact Agilent first. Agilent Technologies is committed
20.1 Mass Spectrometry Fundamentals - Purdue University
www.chem.purdue.edu20.1 Mass Spectrometry Fundamentals • general idea behind the instrument • electron impact ionization with an example mass spectrum • block diagram and timing of events within an instrument • isotope effects on a spectrum • determination of a molecular formula • spatial and temporal schemes for tandem mass spectrometry
Fundamental LC-MS Introduction
www.ecs.umass.eduInstrument Fundamentals The mass spectrometer is an instrument designed to separate gas phase ions according to their m/z (mass to charge ratio) value. Mass spectrometry involves the separation of charged species which are produced by a variety of ionisation methods in LC-MS. These include: • Electrospray Ionisation (EI)
Forensic Drug Identification by Gas Chromatography ...
www.ojp.govChromatography/ Mass Spectrometry (GC/MS) as the preferred method for this examination. The technique provides a rapid, semi-automated analysis of the sample and typically yields sufficient information to identify the compounds in question. However, the application of GC/MS for drug analysis does have its limitations.
質量分析インフォマティクスの基礎
www.eccse.kobe-u.ac.jp整数質量(unit mass) なら同じでも… 酢酸CH 3 COOH 60.0211 尿素CH 4 N 2 O 60.0323 ケイ素SiO 2 59.9667 いまの質量分析計は小数点以下3~4桁までわかる < 5 ppm でも候補は多い