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Atomic absorption spectroscopy

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Atomic absorption spectroscopy (AAS) is a spectroanalytical procedure for the quantitative determination of chemical elements using the absorption of optical radiation (light) by free atoms in the gaseous state. [1]

35 relations: Absorption spectroscopy, Aerosol, Alan Walsh (physicist), Analytical nebulizer, Analytik Jena, Australia, Beer–Lambert law, Biophysics, CSIRO, Deuterium arc lamp, Direct current, Electrodeless lamp, Glow discharge, Graphite, Graphite furnace atomic absorption, Gustav Kirchhoff, Heidelberg University, Hollow-cathode lamp, Inductively coupled plasma mass spectrometry, Ionization, Laser absorption spectrometry, Melbourne, Monochromator, Peter the Great St. Petersburg Polytechnic University, Pharmacology, Pyrolysis, Radiation flux, Robert Bunsen, Signal-to-noise ratio, Sputtering, Tin(II) chloride, Toxicology, Vaporization, Wavelength, Xenon arc lamp.

Absorption spectroscopy

Absorption spectroscopy refers to spectroscopic techniques that measure the absorption of radiation, as a function of frequency or wavelength, due to its interaction with a sample.

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Aerosol

An aerosol is a suspension of fine solid particles or liquid droplets, in air or another gas.

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Alan Walsh (physicist)

Sir Alan Walsh FAA FRS (19 December 1916 – 3 August 1998) was a British/Australian physicist, originator and developer of a method of chemical analysis called atomic absorption spectroscopy.

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Analytical nebulizer

The general term nebulizer refers to an apparatus that converts liquids into a fine mist.

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Analytik Jena

Analytik Jena AG, based in Jena (Thuringia, Germany), is a provider of analytical, bioanalytical and optical systems for industrial and scientific applications.

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Australia

Australia, officially the Commonwealth of Australia, is a sovereign country comprising the mainland of the Australian continent, the island of Tasmania and numerous smaller islands.

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Beer–Lambert law

The Beer–Lambert law, also known as Beer's law, the Lambert–Beer law, or the Beer–Lambert–Bouguer law relates the attenuation of light to the properties of the material through which the light is travelling.

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Biophysics

Biophysics is an interdisciplinary science that applies the approaches and methods of physics to study biological systems.

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CSIRO

The Commonwealth Scientific and Industrial Research Organisation (CSIRO) is an independent Australian federal government agency responsible for scientific research.

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Deuterium arc lamp

A deuterium arc lamp (or simply deuterium lamp) is a low-pressure gas-discharge light source often used in spectroscopy when a continuous spectrum in the ultraviolet region is needed.

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Direct current

Direct current (DC) is the unidirectional flow of electric charge.

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Electrodeless lamp

The internal electrodeless lamp or induction lamp is a gas discharge lamp in which an electric or magnetic field transfers the power required to generate light from outside the lamp envelope to the gas inside.

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Glow discharge

A glow discharge is a plasma formed by the passage of electric current through a gas.

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Graphite

Graphite, archaically referred to as plumbago, is a crystalline allotrope of carbon, a semimetal, a native element mineral, and a form of coal.

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Graphite furnace atomic absorption

Graphite furnace atomic absorption spectroscopy (GFAAS) (also known as Electrothermal Atomic Absorption Spectroscopy (ETAAS)) is a type of spectrometry that uses a graphite-coated furnace to vaporize the sample.

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Gustav Kirchhoff

Gustav Robert Kirchhoff (12 March 1824 – 17 October 1887) was a German physicist who contributed to the fundamental understanding of electrical circuits, spectroscopy, and the emission of black-body radiation by heated objects.

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Heidelberg University

Heidelberg University (Ruprecht-Karls-Universität Heidelberg; Universitas Ruperto Carola Heidelbergensis) is a public research university in Heidelberg, Baden-Württemberg, Germany.

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Hollow-cathode lamp

A hollow-cathode lamp (HCL) is type of cold cathode lamp used in physics and chemistry as a spectral line source (e.g. for atomic absorption spectrometers) and as a frequency tuner for light sources such as lasers.

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Inductively coupled plasma mass spectrometry

Inductively coupled plasma mass spectrometry (ICP-MS) is a type of mass spectrometry which is capable of detecting metals and several non-metals at concentrations as low as one part in 1015 (part per quadrillion, ppq) on non-interfered low-background isotopes.

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Ionization

Ionization or ionisation, is the process by which an atom or a molecule acquires a negative or positive charge by gaining or losing electrons to form ions, often in conjunction with other chemical changes.

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Laser absorption spectrometry

Laser absorption spectrometry (LAS) refers to techniques that use lasers to assess the concentration or amount of a species in gas phase by absorption spectrometry (AS).

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Melbourne

Melbourne is the state capital of Victoria and the second-most populous city in Australia and Oceania.

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Monochromator

A monochromator is an optical device that transmits a mechanically selectable narrow band of wavelengths of light or other radiation chosen from a wider range of wavelengths available at the input.

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Peter the Great St. Petersburg Polytechnic University

Peter the Great St.

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Pharmacology

Pharmacology is the branch of biology concerned with the study of drug action, where a drug can be broadly defined as any man-made, natural, or endogenous (from within body) molecule which exerts a biochemical or physiological effect on the cell, tissue, organ, or organism (sometimes the word pharmacon is used as a term to encompass these endogenous and exogenous bioactive species).

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Pyrolysis

Pyrolysis is the thermal decomposition of materials at elevated temperatures in an inert atmosphere.

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Radiation flux

Radiation flux is a measure of the amount of radiation received by an object from a given source.

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Robert Bunsen

Robert Wilhelm Eberhard Bunsen (30 March 1811N1 – 16 August 1899) was a German chemist.

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Signal-to-noise ratio

Signal-to-noise ratio (abbreviated SNR or S/N) is a measure used in science and engineering that compares the level of a desired signal to the level of background noise.

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Sputtering

Sputtering is a process whereby particles are ejected from a solid target material due to bombardment of the target by energetic particles, particularly gas ions in a laboratory.

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Tin(II) chloride

Tin(II) chloride, also known as stannous chloride, is a white crystalline solid with the formula 2.

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Toxicology

Toxicology is a discipline, overlapping with biology, chemistry, pharmacology, and medicine, that involves the study of the adverse effects of chemical substances on living organisms and the practice of diagnosing and treating exposures to toxins and toxicants.

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Vaporization

Vaporization (or vapourisation) of an element or compound is a phase transition from the liquid phase to vapor.

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Wavelength

In physics, the wavelength is the spatial period of a periodic wave—the distance over which the wave's shape repeats.

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Xenon arc lamp

A xenon arc lamp is a highly specialized type of gas discharge lamp, an electric light that produces light by passing electricity through ionized xenon gas at high pressure.

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Redirects here:

Atomic Absorption Spectrometer, Atomic Absorption Spectrophotometry, Atomic absorption, Atomic absorption spectrometer, Atomic absorption spectrometry, Atomic absorption spectrophotometry, STPF, Stpf.

References

[1] https://en.wikipedia.org/wiki/Atomic_absorption_spectroscopy

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