Relevant bibliographies by topics / Atomic absorption spectroscopy

Academic literature on the topic 'Atomic absorption spectroscopy'

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Published: 4 June 2021
Last updated: 1 August 2024

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Journal articles on the topic "Atomic absorption spectroscopy"

1

Boumans, Paul. "Atomic absorption spectroscopy." Spectrochimica Acta Part B: Atomic Spectroscopy 46, no. 3 (January 1991): 455–56. http://dx.doi.org/10.1016/0584-8547(91)80043-3.

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Broekaert, J. A. C. "Atomic absorption spectroscopy instrumentation." Spectrochimica Acta Part B: Atomic Spectroscopy 45, no. 8 (January 1990): 845–56. http://dx.doi.org/10.1016/0584-8547(90)80141-5.

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B, Magaji. "Heavy Metal Analysis on Some Water Samples Using Atomic Absorption Spectroscopy." Food Science & Nutrition Technology 8, no. 4 (October 5, 2023): 1–6. http://dx.doi.org/10.23880/fsnt-16000315.

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Drinking water is vital for life existence worldwide which is used on a daily basis. The quality of this drinking water however varies from one product to another. In this study, analysis of four heavy metals: Zn, Cu, Cd, and Pb were done by AAS technique in four water samples; Tap water, Well water, Faro bottle water and KSUSTA table water. The results of the study showed that Pb was not detected in the Tap, Well, and Faro Bottle water samples but was however detected in the KSUSTA Table water sample (0.954 mg/L) well above the limits of USEPA (0.015 mg/L), WHO (0.01 mg/L), and SON (0.01 mg/L) respectively. Also, the Well Water sample did not contain Cd, but was detected in the other three samples well above the standard limits. Cu was detected in all the samples below the limits by the regulatory bodies. The KSUSTA Table Water did not contain Zn while the other three water samples had Zn levels below the max limits. Hence, the Well water sample was shown to be the best or safer for consumption as it did not contain any Pb or Cd concentration and had Cu and Zn levels below the permissible limits by these agencies. Therefore, those consuming KSUSTA Table water, Faro Bottle water and Tap water in Aliero town should be cautious of the potential danger from the short or long term effect of Pb and Cd toxicity to the human body
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Macdonald, Lindesay R., Thomas C. O'Haver, Barbara J. Ottaway, and John M. Ottaway. "Communication. Background atomic absorption in graphite furnace atomic absorption spectrometry." Journal of Analytical Atomic Spectrometry 1, no. 6 (1986): 485. http://dx.doi.org/10.1039/ja9860100485.

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Mohammed, Abdul Moiz. "Elemental Analysis Using Atomic Absorption Spectroscopy." European Journal of Engineering and Technology Research 6, no. 7 (November 18, 2021): 48–51. http://dx.doi.org/10.24018/ej-eng.2021.6.7.2639.

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The resonance radiation study is a powerful means in obtaining valuable information concerning the behavior of individual atoms and molecules. Various quantitative techniques are available in order to determine the amount of analyte and analysis of trace elements in the sample. Some technique uses the principle, when the number of atoms in the path of light increases, the amount of light absorption increases. While other techniques use dissociation of chemical compound free atoms by supplying enough thermal energy. In this paper, an attempt is made to compare various analytical methods with their merits and demerits and the reasons for popularity of atomic absorption spectroscopy among researchers. Elemental analysis using atomic absorption spectroscopy of various elements that are found in nature particularly in foods and environment is also presented.
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Mohammed, Abdul Moiz. "Elemental Analysis Using Atomic Absorption Spectroscopy." European Journal of Engineering and Technology Research 6, no. 7 (November 18, 2021): 48–51. http://dx.doi.org/10.24018/ejeng.2021.6.7.2639.

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The resonance radiation study is a powerful means in obtaining valuable information concerning the behavior of individual atoms and molecules. Various quantitative techniques are available in order to determine the amount of analyte and analysis of trace elements in the sample. Some technique uses the principle, when the number of atoms in the path of light increases, the amount of light absorption increases. While other techniques use dissociation of chemical compound free atoms by supplying enough thermal energy. In this paper, an attempt is made to compare various analytical methods with their merits and demerits and the reasons for popularity of atomic absorption spectroscopy among researchers. Elemental analysis using atomic absorption spectroscopy of various elements that are found in nature particularly in foods and environment is also presented.
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Slavin, W. "Accuracy in furnace atomic-absorption spectroscopy." Journal of Research of the National Bureau of Standards 93, no. 3 (May 1988): 445. http://dx.doi.org/10.6028/jres.093.113.

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Delves, H. T. "Atomic Absorption Spectroscopy in Clinical Analysis." Annals of Clinical Biochemistry: International Journal of Laboratory Medicine 24, no. 6 (November 1987): 529–51. http://dx.doi.org/10.1177/000456328702400601.

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LAGALANTE, ANTHONY F. "Atomic Absorption Spectroscopy: A Tutorial Review*." Applied Spectroscopy Reviews 34, no. 3 (September 27, 2004): 173–89. http://dx.doi.org/10.1081/asr-100100844.

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Zehr, Bradley D., and Judith P. Vankuren. "Characterizing flame atomic absorption spectroscopy parameters." Spectrochimica Acta Part B: Atomic Spectroscopy 49, no. 6 (June 1994): 627–32. http://dx.doi.org/10.1016/0584-8547(94)80055-3.

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Dissertations / Theses on the topic "Atomic absorption spectroscopy"

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Simpson, Emma. "Attosecond transient absorption spectroscopy in atomic species." Thesis, Imperial College London, 2016. http://hdl.handle.net/10044/1/44970.

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When high intensity laser light is focused into a gaseous target, high energy photons can be produced through the strongly nonlinear effect of high order harmonic generation. For a 30 fs, 800 nm or 1400 nm wavelength laser pulse, the result is a train of attosecond pulses produced at odd harmonic frequencies of the driving laser field, spanning energy ranges into the 100s eV. These attosecond pulses can access timescales characteristic to the movement of electrons in atoms, and by exploiting their properties as an ultrafast probe, electron dynamics in evolving atomic systems can be observed. This thesis presents the development of a pump-probe beamline capable of performing transient absorption spectroscopy experiments with resolution better than 150 as. Accompanying a full description of the experimental setup and methods, investigations are made into the attosecond transient absorption from strong field dressed helium and krypton atoms around their first ionisation edge, and 3d ionisation edge respectively. The result of the delay dependent transient absorption measurement is modulations to the recorded absorption amplitude for the harmonic orders around the respective ionisation thresholds. We investigated intensity regimes with an 800 nm laser field approaching the strong field ionisation threshold in helium. Experimental results are presented considering first the response of strong field dressed helium using an 800 nm laser field, and second the response of strong field dressed helium and krypton using a 1400 nm laser field. The use of the longer 1400 nm wavelength allows access to higher energy probe harmonics, enabling laser dressed krypton core to continuum, and core to Rydberg state transitions to be studied. By comparing the effect to the delay dependent absorption modulation as additional parameters are varied, information can be gained about the behaviour of the electrons. The parameters studied as a function of delay include: the dressing field intensity, target backing pressure and dressing field relative linear polarisation, aligned both parallel and perpendicular with respect to the probing harmonic pulse train. Key results include a strong suppression of the modulation amplitude for the above ionisation threshold harmonic orders when the dressing field linear polarisation is changed from parallel to perpendicular in the helium target. This is reproduced at both 800 nm and 1400 nm driving wavelengths.
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Conkey, Donald B. "On-Chip Atomic Spectroscopy." Diss., CLICK HERE for online access, 2007. http://contentdm.lib.byu.edu/ETD/image/etd1746.pdf.

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O'Grady, C. E. "Fundamental research into aerosols for analytical atomic absorption spectroscopy." Thesis, University of Aberdeen, 1987. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.377568.

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The material presented in this thesis falls into three main sections: 1) The measurement of nebulizer suction and its applications. Three methods of measurement of nebulizer suction were evaluated. The potential and limitations of each method was assessed. The most reliable and generally applicable method was measurement with a mercury manometer via a T-piece during aspiration, but after correction for suction drops along all the nebulizer capillaries and across connections. The measurement of suction was then applied to practical problems in AAS, i.e. the lack of dependence of signal on sample solution temperature, and to provide immediate warning of drift in aspiration rate. 2) Observations and causes of deposition in spray chambers. The deposition patterns of aerosol lost in the spray chamber was studied using a lithium tracer. Areas of high turbulence were identified and their positions related to the deposition patterns. The nebulizer/spray chamber system was considered to fulfill a sub-sampling role and the dual roles of pneumatic nebulizer as pumps and sub-samplers were critically discussed. 3) Observations on impactors in flame AAS. Five techniques for the evaluation of the effects of impact beads and other impactors were evaluated, i) aerosol droplet size distributions ii) aspiration of dye solutions iii) aerosol sizing with a second species introduced through the bead iv) effects on linear absorbance range v) effects on the extent of chemical interference The advantages and disadvantages of each technique were considered and the value of impactors critically appraised. An assessment was then made of the extent to which an impact cup or bead may be used to regulate sensitivity in flame AAS with a view to increasing the useful working ranges of calibration graphs.
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Hutton, Jonathan Craig Carleton University Dissertation Chemistry. "Some theoretical and experimental studies in atomic absorption spectrometry." Ottawa, 1992.

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French, Holly. "Trace metal analysis of street drugs by atomic absorption spectroscopy." Thesis, University of Kent, 2013. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.591083.

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The aim of the study was to ascertain the capabilities of the graphite furnace atomic absorption spectroscopy (OF AAS) system to discriminate between the two separate ecstasy batches according to the differing concentrations of trace metals. Previous studies have utilised rcp techniques such as rCP-AES and rCP-MS to determine trace metal concentrations in ecstasy tablets with particular interest in potential synthesis marker metals such as Pt, B and Hg. Five metals: Cu, Ba, Ni, Cr and Ph were quantified with good repeatability and reproducibility. The selection of elements comprises of metals that may be present due to additives, dyes, reducing agents, catalysts and elements recorded to be commonly present in ecstasy tablets, for example Ba. Elements Cu, Cr and Pb have been observed previously to be more homogenous within batches than elemental markers for synthesis routes suggesting these trace metals will be of use for indicating linkages between batches. Two separate batches of seized ecstasy tablets were analysed by GF AAS following digestion with nitric acid and hydrogen peroxide. Ecstasy tablets were acquired from the TICTAC unit at St George's Hospital London Tooting. HPLC analysis conducted at St. George's indicated that Batch 21573 of 20 tablets contained significant quantities of MDMA while Batch 26237 of 20 tablets contained predominantly caffeine. The small sample size has allowed for careful interpretation of intra-batch variation and inter-batch variation in the metal concentrations determined for each ecstasy batch. A previous study has used a similar sample size. The current study has successfully demonstrated the quantitation of five trace metals in ecstasy tablets for the first time via OF AAS. Large intra-batch variations were fOlU1d as expected for tablets produced in clandestine laboratories. Nickel in the MDMA containing batch 21573 was present in the range 0.47-13.1 ppm and in the caffeine containing batch 26237 in the range 0.35-9.06 ppm, very similar to previous reports of 1- 25 ppm and 0.3-16 ppm. The Cr levels detenmined in the current study (MDMA batch: 0.12-3.16 ppm, caffeine batch: 0.10-1.36 ppm) are lower than reported previously (0.7-34 ppm). The range ofPb concentrations (MDMA batch: 0.1 1-3.81 ppm, caffeine batch: 0.12- 4.91 ppm) are similar to previously reported (0.02-10 ppm). The copper levels in these samples were found to be particularly high (MDMA batch: 4-2379 ppm, caffeine batch: 17-1851 ppm) compared with previous studies using ICP techniques which fOlU1d ranges of 1-19 ppm and 0.8-38 ppm in ecstasy tablets. Barium concentrations were relatively similar within each batch with significantly higher concentrations found in the caffeine containing batch 26237 (rv1DMA batch: 0.19-0.66 ppm, caffeine batch: 3.77-5.47 ppm). Barium was the only element to offer discrimination between the two batches of tablets. AAS systems are well established, cheaper to install and run, and require less user skill as well as less sample volume. The addition that the current study offers in light of previous literature in the area is evidence of the capabilities of GF AAS to perform analyses on ecstasy tablets, with good detection limits, good precision and small sample volume, but with a technique that is well establish, fmancially less challenging and readily available in forensic laboratories in comparison to the more powerful ICP-MS technique
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De, Jager Lionel Louis. "Permanent modifiers for electrothermal atomization atomic absorption spectometry." Diss., Access to E-Thesis, 2000. http://upetd.up.ac.za/thesis/available/etd-11162006-161158/.

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Thompson, Alexander W. J. "Multimode absorption spectroscopy of CO and CO₂ gas mixtures." Thesis, University of Oxford, 2013. http://ora.ox.ac.uk/objects/uuid:ebcb2031-1165-414e-88d8-69465bdaf291.

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The development of multimode absorption spectroscopy (MUMAS) for multi-species detec- tion and its potential for process control or environmental monitoring is reported. The simultaneous detection of CO and CO2 is demonstrated in a proof-of-principle experiment for applications in industrially relevant gas species monitoring. The technique of MUMAS is extended to the near infrared in order to detect these and other industrially relevant species. A laser was designed and constructed to emit a multimode spectrum in the region of 1.57um to take advantage of the spectral overlap of the second vibrational overtone of CO and the combination band 3ν1 + ν3 of CO2. The laser consisted of a semi-confocal cavity employing an Er:Yb glass chip as the gain medium. The laser was pumped by a 1W laser diode at 980nm and emitted up to 30mW in a bandwidth of 180GHz. The laser emitted between 6-10 modes depending upon the selective cavity length. Mode spacings varied between 18GHz to 33GHz with an individual mode linewidth of less than 8MHz. The laser modes were simultaneously scanned using a piezo-electric transducer (PZT) in order to modulate the cavity length at frequencies between 1Hz and 10Hz. A system for linearizing the MUMAS spectra with respect to frequency was devised based on a transmission spectra of a confocal Fabry-Perot etalon. Refinements to the MUMAS fitting code were developed to improve the computational efficiency. An initial demonstration of MUMAS on a known gas mixture of CO and CO2 was per- formed. The ratio of CO:CO2 concentrations in the gas mixture was measured with an accuracy of 0.4% which was within the supplier’s quoted uncertainty. MUMAS is then applied to the detection of CO and CO2 concentrations in exhaust gas produced by a 1.3 litre 4-cylinder turbo-charged spark ignition engine. Relative and absolute concentrations were derived from MUMAS signals and values compared to measurements using a 4-gas analyser. Concentrations of CO and CO2 were measured using MUMAS to a precision of 0.17% and 0.23% respectively compared to less than 0.1% for the 4-gas analyser. Ratios of CO and CO2 were determined with a precision of 0.28 using MUMAS compared to 0.11 with the 4-gas analyser. The detection limit of CO was found to be 1486ppm in these circumstances. Finally a discussion is presented of potential improvements arising from wavelength mod- ulation spectroscopy and cavity enhancement techniques.
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Lei, Tian. "Selenium speciation by high performance liquid chromatography -atomic absorption spectrometry." Thesis, McGill University, 1994. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=55507.

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Selenium has been shown to have multiple biochemical effects ranging from nutrient deficiency at low levels to toxicity at high levels. This duality of concern has led to a demand for increased numbers of highly accurate and precise determinations of selenium in biological materials. A convenient procedure was developed for determining selenoamino acids by HPLC-THG-AAS, based on the derivatization of these analytes with Sanger's reagent. Selenomethionine, selenocystine and selenocysteine (after blocking the free selenol group with phenylmercurio cation) were converted to their N-2,4-dinitrophenyl derivatives, and separated on a Nucleosil 5-NO$ sb2$ column with methanolic mobile phase containing acetic acid and triethylamine. Furthermore, an improved HPLC-AAS interface design was modified and optimized for the detection of selenium in HPLC column eluate. The new design was (i) compatible with aqueous mobile phases containing volatile buffers and (ii) provided equivalent molar response to analytes containing Se($-$II), Se(+IV) and Se(+VI). A method for simultaneously determination of selenate, selenite, selenocystine, selenomethionine and selenoethionine was developed by using the HPLC-AAS system with aqueous acetic acid containing ammonium acetate as eluate solution on the cyanopropyl column. The equivalent low ng limits of detection (1-2 ng as Se) for different oxidation states of selenium analytes were obtained using several different mobile phases and/or columns. A phenol extraction procedure for selenate, selenite, selenocystine, selenomethionine and selenoethionine was evaluated for the determination of these selenium analytes in natural waters and wheat samples. The current HPLC-AAS system provides an inexpensive alternative to conventional techniques for the determination of selenium analytes in environmental samples.
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Chan, Mau Hing. "Photothermal deflection spectroscopy of novel electronic materials." HKBU Institutional Repository, 1996. http://repository.hkbu.edu.hk/etd_ra/66.

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Williams, Robert Hamilton. "Trace metals analysis using continuum source simultaneous multielement graphite furnace atomic absorption spectroscopy." Diss., The University of Arizona, 2000. http://hdl.handle.net/10150/284168.

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A novel instrument for simultaneous multielement graphite furnace atomic absorption is described. This instrument employs a continuum light source and an echelle-charge injection device array detector system to achieve both simultaneous analysis of multiple wavelengths and true simultaneous background correction. The charge injection device detector also allows continuous wavelength coverage from 400-190 nm. Multichannel GFAAS analysis improves not only analytical speed but enables the use of elements resistant to matrix effects to assist in the identification of matrix effects in other elements and confirmation of calibration accuracy. The research project described discusses not only basic instrument design but also practical application of the new design to current analytical problems. Analysis of Ag, Pb, Tl, Cr, and Mn in drinking water, and red table wine allowed not only evaluation and investigation of instrumental problems but also allowed investigation of the various chemical problems associated with simultaneous multielement determinations in general. Multielement analysis involves the use of compromise furnace conditions, and matrix effects can further complicate multielement determinations. The use of chemical modifiers such as a mixed Pd(NO₃)₂ and Mg(NO₃)₂ modifier provide a partial solution to some of the problems associated with multielement determinations. For the two applications, the analytes were split into two groups. One group analyzed Ag, Pb, and Tl and the other analyzed Cr and Mn. The modifier system was applied to the Ag, Pb, and Tl analysis. For drinking water, analytical results were obtained with errors and RSD's less than 10%. The modifier system was not effective when water solutions contained high levels of Na and Ca. For red wines, the modifier system was effective for Ag, Pb and Tl. However, maximum pretreatment temperatures were approximately 100-200°C lower than that of high purity water. No detectable levels of Ag or Tl were found in any of the wine samples analyzed. Trace levels of approximately 20 ppb Pb and Cr were detected in several red wines. Levels of Mn approached 1 ppm. Matrix effects were found to suppress the Pb signal and enhance the Tl signal. Sample recoveries for both elements typically ranged from 80-120%.
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Books on the topic "Atomic absorption spectroscopy"

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J, Ando D., and Metcalfe Ed, eds. Atomic absorption and plasma spectroscopy. 2nd ed. Chichester: Published on behalf of ACOL (University of Greenwich) by J. Wiley, 1997.

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Elizabeth, Prichard F., ed. Atomic absorption and emission spectroscopy. Chichester: Published on behalf of ACOL, by J. Wiley, 1987.

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Dedina, Jirí. Hydride generation atomic absorption spectrometry. Chichester [England]: Wiley, 1995.

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Annibale, Mottana, Burragato Francesco, and European Meeting on Absorption Spectroscopy in Mineralogy (1st : 1988 : Accademia nazionale dei Lincei), eds. Absorption spectroscopy in mineralogy. Amsterdam: Elsevier, 1990.

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Varma, Asha. CRC handbook of furnace atomic absorption spectroscopy. Boca Raton, Fla: CRC Press, 1990.

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Butcher, David J. A practical guide to graphite furnace atomic absorption spectrometry. New York: Wiley, 1998.

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G, I͡U︡delevich I., Institut neorganicheskoĭ khimii (Akademii͡a︡ nauk SSSR), and Nauchnyĭ sovet SO AN SSSR po analiticheskoĭ khimii., eds. Novye metody analiza vysokochistykh i tekhnicheskikh materialov: Sbornik nauchnykh trudov. Novosibirsk: In-t neorganicheskoĭ khimii SO AN SSSR, 1990.

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Jayachandran, Toke. Studies and analyses in support of the oil analysis program. Monterey, California: Naval Postgraduate School, 1986.

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Great Britain. Standing Committee of Analysts., ed. Information on concentration and determination procedures in atomic spectrophotometry 1992. London: HMSO, 1992.

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Beaty, Richard D. Concepts, instrumentation and techniques in atomic absorption spectrophotometry. Norwalk, CT: Perkin-Elmer, 1993.

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Book chapters on the topic "Atomic absorption spectroscopy"

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Akash, Muhammad Sajid Hamid, and Kanwal Rehman. "Atomic Absorption Spectroscopy." In Essentials of Pharmaceutical Analysis, 85–102. Singapore: Springer Singapore, 2019. http://dx.doi.org/10.1007/978-981-15-1547-7_6.

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Rodríguez, Humberto Gonzaález, Ratikanta Maiti, and Ch Aruna Kumari. "Atomic Absorption Spectroscopy." In Experimental Ecophysiology and Biochemistry of Trees and Shrubs, 109–13. Includes bibliographical references and index.: Apple Academic Press, 2020. http://dx.doi.org/10.1201/9780429322266-17.

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Malhotra, Priti. "Atomic Absorption Spectroscopy." In Analytical Chemistry, 89–105. Cham: Springer International Publishing, 2023. http://dx.doi.org/10.1007/978-3-031-26757-4_6.

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Ahluwalia, V. K. "Atomic Absorption Spectroscopy (AAS)." In Instrumental Methods of Chemical Analysis, 493–504. Cham: Springer Nature Switzerland, 2023. http://dx.doi.org/10.1007/978-3-031-38355-7_34.

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Ritgen, Ulf. "Atomic Absorption Spectroscopy (AAS)." In Analytical Chemistry I, 247–53. Berlin, Heidelberg: Springer Berlin Heidelberg, 2023. http://dx.doi.org/10.1007/978-3-662-66336-3_21.

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Rosenberg, Erwin, and Ulrich Panne. "Atomic Absorption Spectrometry (AAS) and Atomic Emission Spectrometry (AES)." In Handbook of Spectroscopy, 421–96. Weinheim, FRG: Wiley-VCH Verlag GmbH & Co. KGaA, 2005. http://dx.doi.org/10.1002/3527602305.ch12.

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Rosenberg, Erwin, and Ulrich Panne. "Atomic Absorption Spectrometry (AAS) and Atomic Emission Spectrometry (AES)." In Handbook of Spectroscopy, 507–82. Weinheim, Germany: Wiley-VCH Verlag GmbH & Co. KGaA, 2014. http://dx.doi.org/10.1002/9783527654703.ch15.

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Nielsen, S. Suzanne. "Atomic Absorption and Emission Spectroscopy." In Instructor’s Manual for Food Analysis: Second Edition, 97–103. Boston, MA: Springer US, 1998. http://dx.doi.org/10.1007/978-1-4615-5439-4_28.

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Gandhi, Kamal, Neelima Sharma, Priyae Brath Gautam, Rajan Sharma, Bimlesh Mann, and Vanita Pandey. "Atomic Absorption Spectroscopy and Flame Photometry." In Springer Protocols Handbooks, 219–47. New York, NY: Springer US, 2022. http://dx.doi.org/10.1007/978-1-0716-1940-7_11.

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Glownia, J. H., J. Misewich, and P. P. Sorokin. "Subpicosecond UV/IR Absorption Spectroscopy." In Atomic and Molecular Processes with Short Intense Laser Pulses, 359–66. Boston, MA: Springer US, 1988. http://dx.doi.org/10.1007/978-1-4613-0967-3_43.

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Conference papers on the topic "Atomic absorption spectroscopy"

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Goyette, A. N., L. W. Anderson, K. L. Mullman, and J. E. Lawler. "UV/VUV high sensitivity absorption spectroscopy." In ATOMIC PROCESSES IN PLASMAS. ASCE, 1998. http://dx.doi.org/10.1063/1.56555.

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Matsui, Makoto, Akira Kuwahara, and Yoshiki Yamagiwa. "Combined VUV Absorption and Laser Absorption Spectroscopy for Atomic Oxygen Detection." In 28th Aerodynamic Measurement Technology, Ground Testing, and Flight Testing Conference. Reston, Virigina: American Institute of Aeronautics and Astronautics, 2012. http://dx.doi.org/10.2514/6.2012-2651.

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Niemax, K., C. Schnürer-Patschan, A. Zybin, H. Groll, and Y. Kuritsyn. "Wavelength Modulation Atomic Absorption Spectrometry With Semiconductor Diode Lasers." In Laser Applications to Chemical Analysis. Washington, D.C.: Optica Publishing Group, 1994. http://dx.doi.org/10.1364/laca.1994.wb.4.

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Commercial semiconductor laser diodes of the AlGaAs and AlGaInP types are small, long-lived devices with excellent spectroscopic properties [1]. They are easy to operate and have low power consumption. These are the requirements for the arrangement of many independently operating laser diodes in compact instruments for simultaneous multielement analysis [2]. The main drawback of atomic diode laser spectroscopy is the limited wavelength range of commercially available laser diodes (625-950 nm). It will be extended to shorter wavelengths in the short and medium run. However, if low radiation powers can be used in experiment, it can be overcome by second harmonic generation (SHG) in non-linear crystals. Depending on the fundamental power of the laser diodes and on the efficiency of the crystal used, extracavity SHG-powers in the nW and μW can be generated easily in the range 315-500 nm. Such powers are sufficiently high for laser atomic absorption spectroscopy (LA AS). A list including more than 50 elements which can be measured by LA AS with fundamental and SHG radiation is given in a recent review paper [3].
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Whittaker, Edward A., R. K. Pattnaik, James M. Supplee, and H. C. Sun. "Sublaser linewidth absorption spectroscopy." In OSA Annual Meeting. Washington, D.C.: Optica Publishing Group, 1990. http://dx.doi.org/10.1364/oam.1990.wq7.

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When using a laser source for frequency domain spectroscopy, source linewidth invariably limits spectral resolution. Consequently, high-resolution spectroscopy generally requires frequency stabilized single frequency lasers. In extending the theory of frequency modulation absorption spectroscopy to the case of multimode dye lasers1 we noticed that when both laser mode spacing and modulation frequency are small compared to absorber linewidth, the absorption spectrum measured by such a source could show features which were much sharper than the effective laser linewidth. We have now been able to demonstrate this effect using a coherent 599-01 dye laser tuned only with a biréfringent plate. We will present some experimental results on atomic sodium and molecular iodine absorption. We will also discuss the high-resolution tuning and frequency stability properties of the dye laser itself.
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Bagnato, V., L. Marcassa, C. Tao, Y. Wang, and J. Weiner. "Two-Color Photo-Associative Ionization Collisions between Sodium Atoms." In High Resolution Spectroscopy. Washington, D.C.: Optica Publishing Group, 1993. http://dx.doi.org/10.1364/hrs.1993.pd6.

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Collisions of ultracold trapped atoms ( T< 1mK) have opened a new field of atomic collisions with abundant opportunities for theory and experiments. Photo-associative ionization (PAI) in sodium atoms has been the first two-body collision Studied in optical traps3. In this process two ground state Na atoms absorb two photons during the course of the collisional encounter. The first absorption at long range put the colliding system on an attractive C3/R3 potential curve, and the two atoms begin to accelerate toward each other. A second absorption promotes the system to a doubly excited Na(3p)+Na(3p) potential curve from which the PAI process takes place at short range.
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Klauba, Andrew, Derek Love, Walker Runyan, Ben Agan, Katarena R. Shiner, Matt Larson, Caleb Fisher, Larry Ferren, and Charles W. Carrigan. "ANALYSIS OF THE KANKAKEE WATERSHED BY ATOMIC ABSORPTION SPECTROSCOPY." In 50th Annual GSA North-Central Section Meeting. Geological Society of America, 2016. http://dx.doi.org/10.1130/abs/2016nc-275644.

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Augustyniak, Edward, Serguei V. Filimonov, and Chih-shun Lu. "Thermalization process in sputtering systems by atomic absorption spectroscopy." In Microelectronic Manufacturing, edited by Anthony J. Toprac and Kim Dang. SPIE, 1998. http://dx.doi.org/10.1117/12.324341.

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Renaudin, P., L. Lecherbourg, C. Blancard, P. Cossé, G. Faussurier, P. Audebert, S. Bastiani-Ceccotti, J. P. Geindre, and R. Shepherd. "X-Ray Absorption Spectroscopy Of Thin Foils Irradiated By An Ultra-short Laser Pulse." In ATOMIC PROCESSES IN PLASMAS: 15th International Conference on Atomic Processes in Plasmas. AIP, 2007. http://dx.doi.org/10.1063/1.2768829.

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Smirnov, Sergey, Ignatii Samokhvalov, and Pavel P. Geiko. "The application of UV LEDs for differential optical absorption spectroscopy." In XIII International Conference on Atomic and Molecular Pulsed Lasers, edited by Andrei M. Kabanov and Victor F. Tarasenko. SPIE, 2018. http://dx.doi.org/10.1117/12.2303467.

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Miyabe, M., M. Oba, H. Iimura, K. Akaoka, Y. Maruyama, I. Wakaida, K. Watanabe, Tetuso Iguchi, and Kenichi Watanabe. "Ablation-initiated Isotope-selective Atomic Absorption Spectroscopy of Lanthanide Elements." In 4TH INTERNATIONAL CONFERENCE ON LASER PROBING—LAP 2008. AIP, 2009. http://dx.doi.org/10.1063/1.3115606.

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Reports on the topic "Atomic absorption spectroscopy"

1

Castro, Alonso. Actinide Isotopic Analysis by Atomic Beam Laser Absorption Spectroscopy. Office of Scientific and Technical Information (OSTI), April 2019. http://dx.doi.org/10.2172/1511209.

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Ching, C. H., J. E. Bailey, P. W. Lake, A. B. Filuk, R. G. Adams, and J. McKenney. Absorption spectroscopy characterization measurements of a laser-produced Na atomic beam. Office of Scientific and Technical Information (OSTI), June 1996. http://dx.doi.org/10.2172/244617.

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Paesler, M., and D. Sayers. Atomic structure of machined semiconducting chips: An x-ray absorption spectroscopy study. Office of Scientific and Technical Information (OSTI), December 1988. http://dx.doi.org/10.2172/476642.

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Dobbins, Tabbetha. UNDERSTANDING THE LOCAL ATOMIC LEVEL EFFECTS OF DOPANTS IN COMPLEX METAL HYDRIDES USING SYNCHROTRON XRAY ABSORPTION SPECTROSCOPY AND DENSITY FUNCTIONAL THEORY. Office of Scientific and Technical Information (OSTI), February 2013. http://dx.doi.org/10.2172/1063111.

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Bourdeau, J. E., and R. D. Dyer. Regional-scale lake-sediment sampling and analytical protocols with examples from the Geological Survey of Canada. Natural Resources Canada/CMSS/Information Management, 2023. http://dx.doi.org/10.4095/331911.

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Regional-scale lake sediment surveys have been successfully used since the 1970s as a means for reconnaissance geochemical exploration. Lake sediment sampling is typically performed in areas with a lack of streams and an overabundance of small-sized (=5 km across) lakes. Lake sediments are known to have major, minor and trace element concentrations that reflect the local geology. Overall, lake sediment surveys are planned and conducted following four distinct stages: 1) background research, 2) orientation survey, 3) regional survey, and 4) detailed survey. At the Geological Survey of Canada, samples are usually collected from a helicopter with floats. Sample density ranges from 1 sample per 6 - 13 km2. Samples are collected from the centre of the lake using a gravity torpedo sampler which corresponds to a hollow-pipe, butterfly bottom-valved sampler attached by a rope to the helicopter. Collected sediment samples are then placed in labelled bags and left to air dry. Detailed field notes and additional samples (field duplicates), for the purpose of an adequate quality assurance and quality control program, are also taken. Samples are then milled and sent to analytical laboratories for element determination. Commonly used analytical methods include: X-ray fluorescence (XRF), atomic absorption spectroscopy (AAS), inductively coupled plasma-atomic emission spectrometry (ICP-AES) and -mass spectrometry (ICP-MS), instrumental neutron activation analysis (INAA), and/or determination of volatile compounds and organic carbon using Loss on Ignition (LOI). Analytical data is first evaluated for quality (contamination, accuracy and precision). Numerous options for the analysis of lake sediment data exist, ranging from simple basic element concentration maps and statistical graphical displays together with summary statistics, to employing multivariate methodologies, and, more recently, using machine learning algorithms. By adopting the set of guidelines and examples presented in this manual, scientific researchers, exploration geologists, geochemists and citizen scientists will be able to directly compare lake sediment datasets from anywhere in Canada.
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