atomic absorption spectroscopy

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atomic absorption spectroscopy

[ə¦tä·mik əb¦sörp·shən ‚spek′träs·kə·pē]
(spectroscopy)
An instrumental technique for detecting concentrations of atoms to parts per million by measuring the amount of light absorbed by atoms or ions vaporized in a flame or an electrical furnace.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
References in periodicals archive ?
It can be used with a wide range of commercial atomic absorption spectrometers, she says.
Present study is conducted to determine Pb content from commercially available poultry feed samples from Pakistan using flame Atomic Absorption Spectrometer (FAAS).
* PerkinElmer graphite furnace atomic absorption spectrometer
Not only are they a relatively high-priced consumable, but competition remains healthy despite the maturity of the atomic absorption spectrometer (AA) market as a whole.
Heavy metals, Cu (0.17 - 70.7), Ni ( less than 0.05 - 11.15), Cd ( less than 0.05 - 2.39), Co ( less than 0.05 - 0.78), Cr ( less than 0.05 - 9.43), Zn ( less than 0.05 - 2897), Pb ( less than 0.05 - 30.66), Mn ( less than 0.05 - 19) and Fe ( less than 0.05 - 188) in ug/L were determined using atomic absorption spectrometer AAnalyst-700.
The AAnalyst[TM] 100/300 atomic absorption spectrometer is a cost-effective system and offers high performance with unmatched stability.
Representative portion of each sample of concentrates, middlings and tails was treated with aqua regia and other acid mixture and the solutions were analyzed for Au, Ag and base metals (Cu, Zn, Pb, Cr, Ni, Co, Mn and Cd) by atomic absorption spectrometer in the geochemistry laboratory of NCE in Geology, University of Peshawar.
These water samples were analyzed for various physico-chemical parameters (i.e., such as pH, T, (EC), resistivity, TDS) by COSORT electrochemical analyzer C931, anions (i.e., SO4, NO3, Cl, HCO3) by Hach DR2800 spectrophotometer and major cations (i.e., Ca, Mg, Na, K) and heavy and trace metals (i.e., Fe, Mn, Cu, Cr, Cd, Pb, Ni, Zn and As) by atomic absorption spectrometer equipped with graphite furnace in the Geochemistry laboratory of the Nation Centre of Excellence in Geology, Universirty of Peshawar.