... absorption spectrometry with the direct mercury analyzer system DMA-80 from MLS GmbH, and atom absorption spectrometry with ... ...
NBII National Biological Information Infrastructure
Atomic fluorescence flame spectrometry is compared with atomic absorption flame spectrometry with respect to: instrumentation, including the general systems, the sources of excitation, the entrance optics and monochromator, the flame cell-burner system, a...
National Technical Information Service (NTIS)
... Ultraviolet absorption spectroscopy and mass spectrometry have been applied to the low temperature matrix technique using model systems; they ...
DTIC Science & Technology
Reviews developments in ultraviolet and light absorption spectrometry from December 1981 through November 1983, focusing on the chemistry involved in developing suitable reagents, absorbing systems, and methods of determination, and on physical aspects of the procedures. Includes lists of spectrophotometric methods for metals, ...
ERIC Educational Resources Information Center
This report documents the results of a field study carried out in Baytown, Texas in August 1993. ne goal of the field study was to evaluate calibration and audit procedures for a differential optical absorption spectrometry (DOAS) system. he other major goal of the study was to c...
EPA Science Inventory
... Accession Number : ADA278263. Title : Ultraviolet Absorption Spectrometry (UVAS) and Liquid Atomic Emission Spectrometry (LAES. ...
Some spectral effects in atomic absorption spectrometry are reported for magnesium--terbium and osmium--chromium interference. (JFP)
Energy Citations Database
The 655 articles cited in this review cover developments in the fields of ultraviolet light absorption spectrometry and light absorption spectrometry during the period December 1977 through November 1979, primarily documented in Chemical Abstracts. An extensive section of the review is devoted to the chemical ...
absorption spectrometry. Its design was based on that of the ATMOS ... the composition of the Earth's atmosphere by solar occultation spectrometry. The ...
NASA Website
The Hitachi Zeeman atomic absorption spectrometer system is used to evaluate the influence of observation height and C2H2 flow rate upon the atomic absorption sensitivity (slope of calibration curve) and upon the atomic absorption signals for 6 elements i...
This paper describes an automated system for the oxidation state specific speciation of inorganic and methylated arsenicals by selective hydride generation - cryotrapping- gas chromatography - atomic absorption spectrometry with the multiatomizer. The corresponding arsines are ge...
We have developed three different types of visualization methods for energy conversion systems by means of laser spectrometry. (1) Laser-induced fluorescence (LIF) spectroscopy and (2) laser ionization mass spectrometry (LIMS) have been applied to visualization of chemical species in combustion fields of flames. (3) Near-infrared laser ...
NASA Astrophysics Data System (ADS)
Six hundred and thirty references are cited in this review. The information in the review is divided into 12 major areas: books, reviews, and bibliographies; fundamental studies in flames; developments in instrumentation; measurement techniques and procedure; flame emission spectrometry; flame atomic absorption spectrometry; flame ...
Like its three predecessors, Volume 4 of this series consists of review articles on selected applications of Fourier transform infrared (FT-IR) spectrometry. This volume contains articles on spectral data processing, vibrational circular dichroism (VCD), coupled capillary gas chromatography (GC/FT-IR), thermal analysis, coal spectrometry, diffuse ...
Consideration is given to the influence of flame temperature on the emission signal in atomic emission flame spectrometry and on the absorption signal in atomic absorption flame spectrometry. It is concluded that, if the discussion of the influence of the...
... element. GFAAS = Graphite furnace atomic absorption spectrometry; HGAAS = Hydride generation atomic absorption spectrometry; CVAAS ...
Center for Food Safety and Applied Nutrition (CFSAN)
Jul 15, 2005 ... absorption spectrometry for mercury; (3) hydride generation-atomic absorption spectrometry for antimony and selenium; (4) coulometric ...
Jan 22, 2011 ... Title: Differential laser absorption spectrometry for global-scale monitoring of atmospheric carbon dioxide: selection of optimum sounding ...
Contents: Flame emission and atomic absorption spectrometry (Derivative flame emission spectrometry, Evaluation of the atomic absorption method for arsenic, Analytical application to standard reference materials); Spectrophotometry and spectrofluorometry ...
... Accession Number : ADA197710. Title : AAS (Atomic Absorption Spectrometry)-- Has it Gone or Where is it Going. Descriptive Note : Technical rept.,. ...
Slurry introduction graphite furnace atomic absorption spectrometry combining the significant advantages of the solid and liquid sampling methods is already considered as a mature technique. It was widely utilized for metal determination in trace and even ultra trace analysis in organic and inorganic complicated matrix, even for routine analysis. ...
PubMed
Phosphorus has been determined by electrothermal atomisation atomic absorption spectrometry with a molybdenum tube atomiser. The effects of interferents on the phosphorus signal have been investigated. Chemical interferences were eliminated by high-temperature pyrolysis. The detection limit for the molybdenum tube system was 2.3 ng ...
The construction and operation of an automated system with the capability of making either fluorescence or absorption measurements is described. The automated system consists of five major subsystems: the source, the optical instrument, the detector and transducer circuits, the control and interface electronics, and a high speed ...
Absorption of aroma compounds in plastic packaging materials may affect the taste of the packaged food and it may also change the quality of the packaging material. A method to determine the aroma compound absorption in polymers by accelerator mass spectrometry (AMS) is being developed at the Lund Pelletron AMS facility. The high ...
This report of the General Referee was presented at the 100th AOAC Annual International Meeting, Sept. 15-18, 1986, at Scottsdale, AZ. Progress on the following topics are reported: arsenic in animal tissues and meat products by atomic absorption spectrometry; cadmium and lead in earthenware; emission spectrochemical methods; fluorine; graphite furnace, ...