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absorption spectroscopy

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Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2018
DOI: 10.31399/asm.tb.fibtca.t52430107
EISBN: 978-1-62708-253-2
... Abstract This chapter describes some of the most effective tools for investigating boiler tube failures, including scanning electron microscopy, optical emission spectroscopy, atomic absorption spectroscopy, x-ray fluorescence spectroscopy, x-ray diffraction, and x-ray photoelectron...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 April 2013
DOI: 10.31399/asm.tb.imub.t53720139
EISBN: 978-1-62708-305-8
... spectrometer that determines which elements are present in the plasma. The increased sensitivity of the mass spectrometer provides for lower detection limits, typically in the range of parts per billion. Atomic absorption spectroscopy (AAS) operates on the same atomic principle as OES, but it measures...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2003
DOI: 10.31399/asm.tb.cfap.t69780359
EISBN: 978-1-62708-281-5
... of the obtained FTIR results, including spectral subtraction, extraneous absorption bands not attributed to the base resin can be used to characterize contaminant materials. Fourier transform infrared spectroscopy is useful in the identification of contaminant material, whether it is mixed homogeneously...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2003
DOI: 10.31399/asm.tb.cfap.t69780343
EISBN: 978-1-62708-281-5
... pertinent to structure analysis. This is followed by a review of the characterization of plastics by infrared and nuclear magnetic resonance spectroscopy. The article then provides information on the distribution of molecular weight of an engineering plastic. It further discusses the methods used in thermal...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2000
DOI: 10.31399/asm.tb.cub.t66910475
EISBN: 978-1-62708-250-1
... compounds in alloys, bulky deposits, and samples of environmental fluids, lubricants, and suspensions. Techniques such as emission spectroscopy, atomic absorption spectroscopy, inductively coupled plasma atomic emission spectroscopy, and classical wet analytical chemistry can be used to determine dissolved...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2019
DOI: 10.31399/asm.tb.mfadr7.t91110434
EISBN: 978-1-62708-247-1
... Abstract This article provides an overview of the most common micro-analytical technique in the failure analysis laboratory: energy dispersive X-ray spectroscopy (EDS). It discusses the general characteristics, advantages, and disadvantages of some of the X-ray detectors attached...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 September 2008
DOI: 10.31399/asm.tb.fahtsc.t51130111
EISBN: 978-1-62708-284-6
... spectrography, spectrophotometry, and atomic-absorption spectroscopy can be used to determine dissolved metals (as in analysis of an alloy), with wet chemical methods used where greater accuracy is needed to determine the concentration of metals. Combustion methods ordinarily are used for determining...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2012
DOI: 10.31399/asm.tb.ffub.t53610549
EISBN: 978-1-62708-303-4
..., lubricants, and suspensions. Semiquantitative emission spectrography, spectrophotometry, and atomic absorption spectroscopy can be used to determine dissolved metals (as in analysis of an alloy), with wet chemical methods used where greater accuracy is needed to determine the concentration of metals. Wet...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2003
DOI: 10.31399/asm.tb.cfap.t69780146
EISBN: 978-1-62708-281-5
... transducers have been used to measure oxygen absorption of polymers ( Ref 26 ). Most of these tests are nondestructive, but a small, representative sample must be used when pyrolytic gas chromatographic procedures are used ( Ref 27 ). Ultraviolet-visible spectroscopy has been used and amplified...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2005
DOI: 10.31399/asm.tb.horfi.t51180151
EISBN: 978-1-62708-256-3
... emission spectrography, spectrophotometry, and atomic-absorption spectroscopy can be used to determine dissolved metals (as in analysis of an alloy) with wet chemical methods used where greater accuracy is needed in determining the concentration of metals. Combustion methods ordinarily are used...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2005
DOI: 10.31399/asm.tb.faesmch.t51270019
EISBN: 978-1-62708-301-0
... is carried out with utmost care and caution, the effort will be amply rewarding. Spectrophotometry: Applicable to nearly all elements and organic functional groups; accessible range, 0.001 to 50%; accuracy, 2 to 5% Atomic absorption spectrometry: Applicable to practically all elements...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2019
DOI: 10.31399/asm.tb.mfadr7.t91110447
EISBN: 978-1-62708-247-1
... six methods used in semiconductor industry are: Auger spectroscopy, dynamic secondary ion mass spectroscopy, time of flight static secondary ion mass spectroscopy (ToF-SIMS), X-ray photoelectron spectroscopy, scanning electron microscope-energy dispersive X-ray spectroscopy (SEM-EDX), and transmission...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2003
DOI: 10.31399/asm.tb.cfap.t69780089
EISBN: 978-1-62708-281-5
... spectrum of a material, the identification of unknown materials, as well as chromatographic or wet chemical fractions, is one of the most powerful functions of IR spectroscopy. In addition, the progress of most thermoset reactions can be followed by monitoring appropriate functional group absorption peaks...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2015
DOI: 10.31399/asm.tb.cpi2.t55030005
EISBN: 978-1-62708-282-2
.... Perform. , Vol 32 ( No. 10 ), 1993 , p 53 – 58 130. Persson D. and Leygraf C. , In Situ Infrared Reflection Absorption Spectroscopy for Studies of Atmospheric Corrosion , J. Electrochem. Soc. , Vol 140 ( No. 5 ), 1993 , p 1256 – 1260 10.1149/1.2220967 131. Stringer...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.tb.scm.t52870063
EISBN: 978-1-62708-314-0
.... These newer resins offer some advantages in lower moisture absorption and have attractive electrical properties but at a significantly higher price. Phenolics are high-temperature systems that offer outstanding smoke and fire resistance and are frequently used for aircraft interior components. Due...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2007
DOI: 10.31399/asm.tb.htcma.t52080067
EISBN: 978-1-62708-304-1
... then proceeds by dissociation of nitrogen molecules and absorption of nitrogen atoms by the metal following Reaction 4.1. Nitridation often takes place in the metal at the vicinity of cracks developed under creep conditions in air or N 2 -containing combustion atmospheres. In this case, oxides are often...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2003
DOI: 10.31399/asm.tb.cfap.t69780383
EISBN: 978-1-62708-281-5
... is approximately 5 nm. X-ray photoelectron spectroscopy is accomplished by flooding the sample with x-rays of a known energy (typically Mg Kα at 1253.6 eV or monochromated Al Kα at 1486.7 eV). Absorption of these x-rays by the sample atoms causes photoelectrons to be emitted. The kinetic energy of the emitted...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2019
DOI: 10.31399/asm.tb.mfadr7.t91110603
EISBN: 978-1-62708-247-1
... be used to determine the visco-elastic material properties of an epoxy molding compound which can be compared to similar properties of expected molding compound. FTIR spectroscopy, by means of an infrared spectrum of absorption and emission characteristics of the different organic functional groups within...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 September 2008
DOI: 10.31399/asm.tb.fahtsc.t51130351
EISBN: 978-1-62708-284-6
... fracture apparent (10 μm) In order to verify the material composition, one section of the piston axle was chemically analyzed, using the atomic absorption spectroscopy method. The results of the analysis are shown in Table 1 . These values met the requirements of AMS 6419 for 300M steel. Table...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2015
DOI: 10.31399/asm.tb.cpi2.t55030209
EISBN: 978-1-62708-282-2
.... and Abayarathna D. , Inhibition of Hydrogen Absorption by Steels in Wet Hydrogen Sulfide Refinery Environments , Corrosion , Vol 50 ( No. 2 ), Feb 1994 , p 152 – 159 • Zetlmeisl M.J. , “ Naphthenic Acid Corrosion and Its Control ,” Paper 218, presented at Corrosion/96 , NACE...