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Packed column inlet as a direct injection capillary inlet
Wawrzyniak, Rafał Packed column inlet as a direct injection capillary inlet Chemical Papers, Vol.62, No. 3, 2008, 323-325
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Document type:
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Článok z časopisu / Journal Article |
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Collection:
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Chemical papers
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| Author(s) |
Wawrzyniak, Rafał
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| Title |
Packed column inlet as a direct injection capillary inlet
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| Journal name |
Chemical Papers
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| Publication date |
2008
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| Year available |
2008
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| Volume number |
62
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| Issue number |
3
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| ISSN |
0366-6352
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| Start page |
323
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| End page |
325
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| Place of publication |
Poland
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| Publisher |
Versita
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| Collection year |
2008
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| Language |
english
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| Subject |
250000 Chemical Sciences
250400 Analytical Chemistry
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| Abstract/Summary |
Discrimination is a known problem when analyzing high-boiling compounds, which considerably hinders their analysis at trace levels. This problem can be solved by using either direct or on-column injection. Modification of a standard injection port liner and a micro-syringe is presented, so that a direct injection with in-column evaporation can be easily done. The proposed changes are compatible with any packed column injection port, simple to implement, and inexpensive. The changes are described and the analysis of acyloglycerols in diesel oil spiked with 50 % FAME is used to demonstrate the utility of the proposed injection technique.
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