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Thick film traps with an irregular film: Preparation and evaluation

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Title: Thick film traps with an irregular film: Preparation and evaluation
Authors: Kloskowski, Adam, Pettersson, Johan1, Roeraade, Johan jroe@analyt.kth.se
Source: Journal of Chromatography A. May2004, Vol. 1035 Issue 2, p159. 7p.
Subjects: Thick films, Organic compounds, Carbon compounds, Microelectronics, Chromatographic analysis
Abstract: A new method for preparation of sorbent-based ultra-thick film traps for concentration of trace volatile components from gaseous matrices is described. The procedure is based on blowing a prepolymer (polydimethylsiloxane) through a capillary tube, forming an irregular film of stationary phase. Subsequently, the prepolymer is immobilized in a few seconds by heating to 200 °C. Evaluation of the performance of the new traps showed that the loss of efficiency, compared to regular smooth film traps is only on the order of 20–30%. In terms of breakthrough volume, this loss in performance is rather insignificant. The technology is extremely simple and allows a rapid and cheap production of a large number of ultra-thick film traps, even in non-specialized laboratories. The method can be applied to any type of cross-linkable stationary phase, thereby expanding the scope of sorbent-based trapping and preconcentration concept. Many applications are anticipated in trace and ultra-trace analysis in a wide range of fields, such as environmental chemistry, polymers, food and process analysis. [Copyright &y& Elsevier]
Copyright of Journal of Chromatography A is the property of Elsevier B.V. and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
Database: Engineering Source
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Header DbId: egs
DbLabel: Engineering Source
An: 12740553
AccessLevel: 6
PubType: Academic Journal
PubTypeId: academicJournal
PreciseRelevancyScore: 0
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  Data: Thick film traps with an irregular film: Preparation and evaluation
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  Data: <searchLink fieldCode="AR" term="%22Kloskowski%2C+Adam%22">Kloskowski, Adam</searchLink><br /><searchLink fieldCode="AR" term="%22Pettersson%2C+Johan%22">Pettersson, Johan</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Roeraade%2C+Johan%22">Roeraade, Johan</searchLink><i> jroe@analyt.kth.se</i>
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  Data: <searchLink fieldCode="JN" term="%22Journal+of+Chromatography+A%22">Journal of Chromatography A</searchLink>. May2004, Vol. 1035 Issue 2, p159. 7p.
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  Data: <searchLink fieldCode="DE" term="%22Thick+films%22">Thick films</searchLink><br /><searchLink fieldCode="DE" term="%22Organic+compounds%22">Organic compounds</searchLink><br /><searchLink fieldCode="DE" term="%22Carbon+compounds%22">Carbon compounds</searchLink><br /><searchLink fieldCode="DE" term="%22Microelectronics%22">Microelectronics</searchLink><br /><searchLink fieldCode="DE" term="%22Chromatographic+analysis%22">Chromatographic analysis</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: A new method for preparation of sorbent-based ultra-thick film traps for concentration of trace volatile components from gaseous matrices is described. The procedure is based on blowing a prepolymer (polydimethylsiloxane) through a capillary tube, forming an irregular film of stationary phase. Subsequently, the prepolymer is immobilized in a few seconds by heating to 200 °C. Evaluation of the performance of the new traps showed that the loss of efficiency, compared to regular smooth film traps is only on the order of 20–30%. In terms of breakthrough volume, this loss in performance is rather insignificant. The technology is extremely simple and allows a rapid and cheap production of a large number of ultra-thick film traps, even in non-specialized laboratories. The method can be applied to any type of cross-linkable stationary phase, thereby expanding the scope of sorbent-based trapping and preconcentration concept. Many applications are anticipated in trace and ultra-trace analysis in a wide range of fields, such as environmental chemistry, polymers, food and process analysis. [Copyright &y& Elsevier]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of Journal of Chromatography A is the property of Elsevier B.V. and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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RecordInfo BibRecord:
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      – Type: doi
        Value: 10.1016/j.chroma.2004.02.062
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      – Code: eng
        Text: English
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      Pagination:
        PageCount: 7
        StartPage: 159
    Subjects:
      – SubjectFull: Thick films
        Type: general
      – SubjectFull: Organic compounds
        Type: general
      – SubjectFull: Carbon compounds
        Type: general
      – SubjectFull: Microelectronics
        Type: general
      – SubjectFull: Chromatographic analysis
        Type: general
    Titles:
      – TitleFull: Thick film traps with an irregular film: Preparation and evaluation
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            NameFull: Kloskowski, Adam
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            NameFull: Pettersson, Johan
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            NameFull: Roeraade, Johan
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              Text: May2004
              Type: published
              Y: 2004
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              Value: 1035
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            – TitleFull: Journal of Chromatography A
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