Accelerator mass spectrometry • Atmospheric pressure chemical ionization • Calutron • Chemical ionization • Electrospray ionization • Fast atom bombardment • Field desorption • Fourier transform ion cyclotron resonance • Gas chromatography-mass spectrometry • History of mass spectrometry • Inductively coupled plasma mass spectrometry • Ion source • Ion trap • Isotope mass spectrometry • Liquid chromatography-mass spectrometry • Mass spectrum • Matrix-assisted laser desorption/ionization • Penning ionization • Quadrupole mass analyzer • Residual gas analyzer • Secondary ion mass spectrometry • Sector mass spectrometer • Time-of-flight Electrospray ionization (ESI) is a technique used in mass spectrometry used to produce ions. ... Mass spectrometry (also known as mass spectroscopy (deprecated)[1] or informally, mass-spec and MS) is an analytical technique used to measure the mass-to-charge ratio of ions. ... Mass spectrometry is a technique for separating ions by their mass-to-charge (m/z) ratios. ... Schematic diagram of uranium isotope separation in the calutron. ... Chemical ionization (CI) is an ionization technique used in mass spectrometry. ... Electrospray ionization (ESI) is a technique used in mass spectrometry to produce ions. ... Fast atom bombardment (FAB) is an ionization technique used in mass spectrometry in which an analyte and liquid matrix mixture is bombarded by a ~8KeV particle beam of usually inert gas such as argon or xenon. ... Field desorption (FD)/field ionization (FI) refers to an ion source for mass spectrometry first reported by Beckey in 1969. ... Fourier Transform Ion Cyclotron Resonance, also known as Fourier Transform Mass Spectrometry, is a type of mass analyzer (or mass spectrometer) for determining the mass to charge ratio (m/z) of ions based on the cyclotron frequency of the ions in a magnetic field. ... Gas chromatography-mass spectrometry (GC-MS) is a method that combines the features of gas-liquid chromatography and mass spectrometry to identify different substances within a test sample. ... // [edit] Timeline [edit] 19th century 1886 Eugen Goldstein observes canal rays. ... ICP-MS (Inductively Coupled Plasma Mass Spectrometry) is a type of mass spectrometry that is highly sensitive and capable of simultaneous analysis of a range of metals at the parts per a billion level. ... An ion source is an electro-magnetic device that is used to create charged particles. ... An ion trap is a combination of electric or magnetic fields that captures ions in a region of a vacuum system or tube. ... Isotope ratio mass spectrometry is a specialist field of mass spectrometry, concerned with measuring the relative abundance of atomic species, rather than their mass. ... Liquid chromatography-mass spectrometry (LC-MS)is an analytical chemistry technique that combines the physical separation capabilities of liquid chromatography (aka HPLC) with the mass analysis capabilities of mass spectrometry. ... A mass spectrum is an intensity vs. ... MALDI TOF mass spectrometer Matrix-assisted laser desorption/ionization (MALDI) is a soft ionization technique used in mass spectrometry, allowing the analysis of biomolecules (biopolymers such as proteins, peptides and sugars) and large organic molecules (such as polymers, dendrimers and other macromolecules), which tend to be fragile and fragment when... Penning ionization is a form of chemi-ionization, an ionization process involving reactions between neutral atoms and/or molecules. ... The quadrupole mass analyzer is one type of mass analyzer used in mass spectrometry. ... A residual gas analyzer is a small and usually rugged mass spectrometer, typically designed for process control and contamination monitoring in the semiconductor industry. ... The process known as secondary ion mass spectrometry (SIMS) involves bombarding the surface to be tested with a stream of ions. ... The Time of flight method of measuring particle mass is done as follows. ...

Analytical chemistry • Organic chemistry • Physics • Proteomics • Spectroscopy Analytical chemistry is the analysis of material samples to gain an understanding of their chemical composition and structure. ... Organic chemistry is a specific discipline within chemistry which involves the scientific study of the structure, properties, composition, reactions, and preparation (by synthesis or by other means) of chemical compounds consisting of primarily carbon and hydrogen, which may contain any number of other elements, including nitrogen, oxygen, halogens as well... Physics (Greek: (phúsis), nature and (phusiké), knowledge of nature) is the branch of science concerned with the fundamental laws of the Universe. ... This article or section is in need of attention from an expert on the subject. ... Extremely high resolution spectrum of the Sun showing thousands of elemental absorption lines (fraunhofer lines) Spectroscopy is the study of matter and its properties by investigating light, sound, or particles that are emitted, absorbed or scattered by the matter under investigation. ...