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  Ultra high vacuum high precision low background setup with temperature control for thermal desorption mass spectroscopy (TDA-MS) of hydrogen in metals

Merzlikin, S. V., Borodin, S., Vogel, D., & Rohwerder, M. (2015). Ultra high vacuum high precision low background setup with temperature control for thermal desorption mass spectroscopy (TDA-MS) of hydrogen in metals. Talanta, 136, 108-113. doi:10.1016/j.talanta.2015.01.014.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-0025-0788-F Version Permalink: http://hdl.handle.net/11858/00-001M-0000-0025-72D2-1
Genre: Journal Article

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 Creators:
Merzlikin, Sergiy Vasil´ović1, 2, Author              
Borodin, Sergiy1, 2, Author              
Vogel, Dirk2, Author              
Rohwerder, Michael1, 2, Author              
Affiliations:
1Christian Doppler Laboratory for Diffusion and Segregation Mechanisms, Interface Chemistry and Surface Engineering, Max-Planck-Institut für Eisenforschung GmbH, Max Planck Society, ou_1863352              
2Corrosion, Interface Chemistry and Surface Engineering, Max-Planck-Institut für Eisenforschung GmbH, Max Planck Society, ou_2074315              

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Free keywords: Activation energy; Activity; Elemental analysis; Gas; Hydrogen; Hydrogen embrittlement; Thermal desorption spectroscopy; Traps
 Abstract: In this work, a newly developed UHV-based high precision low background setup for hydrogen thermal desorption analysis (TDA) of metallic samples is presented. Using an infrared heating with a low thermal capacity enables a precise control of the temperature and rapid cool down of the measurement chamber. This novel TDA-set up is superior in sensitivity to almost every standard hydrogen analyzer available commercially due to the special design of the measurement chamber, resulting in a very low hydrogen background. No effects of background drift characteristic as for carrier gas based TDA instruments were observed, ensuring linearity and reproducibility of the analysis. This setup will prove to be valuable for detailed investigations of hydrogen trapping sites in steels and other alloys. With a determined limit of detection of 5.9*10(-3)gg(-1) hydrogen the developed instrument is able to determine extremely low hydrogen amounts even at very low hydrogen desorption rates. This work clearly demonstrates the great potential of ultra-high vacuum thermal desorption mass spectroscopy instrumentation. Copyright 2015 Elsevier B.V. All rights reserved.

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Language(s): eng - English
 Dates: 2015-05-01
 Publication Status: Published in print
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Method: -
 Identifiers: ISI: 25702992
DOI: 10.1016/j.talanta.2015.01.014
 Degree: -

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Title: Talanta
  Abbreviation : Talanta
Source Genre: Journal
 Creator(s):
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Publ. Info: Amsterdam, The Netherlands : Elsevier
Pages: - Volume / Issue: 136 Sequence Number: - Start / End Page: 108 - 113 Identifier: ISSN: 0039-9140
CoNE: /journals/resource/954925448759