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We present the results of investigations of the chromatographic (sorptive) properties of silanized silica gel as a stationary phase for gas chromatography used for simulated distillation. Commercially available silanized sorbent (particle diameter range 63–200 m, average pore size 60 Å) was sieved to obtain the 80–100 mesh fraction (180–150 m). The obtained results revealed that silanized silica gel allows the complete separation of a mixture of nand iso-alkanes in the C1–C7 range. Such a separation is achieved with a temperature program starting with an initial temperature of 50°C, which is advantageous because the gas chromatograph oven does not have to be cooled below room temperature. The use of temperature programming with a final temperature of 300°C ensures separation and elution of all mixture components from C1 to n-C28 in one run. This study confirms the applicability of silanized silica gel as a stationary phase for the investigation of distillation temperature distribution of gasoline and diesel fuel based on the simulated distillation procedure according to ASTM D2887. The deviations of individual points of distillation curve obtained using ASTM D2887 and columns packed with silanized silica gel were within the reproducibility range of the standard procedure.
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Autorzy (4)
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Andrzej Przyjazny
- Kettering University Analytical Chemistry
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Informacje szczegółowe
- Kategoria:
- Publikacja w czasopiśmie
- Typ:
- artykuł w czasopiśmie wyróżnionym w JCR
- Opublikowano w:
-
JOURNAL OF SEPARATION SCIENCE
nr 39,
strony 748 - 755,
ISSN: 1615-9306 - Język:
- angielski
- Rok wydania:
- 2016
- Opis bibliograficzny:
- Boczkaj G., Momotko M., Przyjazny A., Kamiński M.: Studies of the separation performance of silanized silica gel for simulated distillation// JOURNAL OF SEPARATION SCIENCE. -Vol. 39, nr. 4 (2016), s.748-755
- DOI:
- Cyfrowy identyfikator dokumentu elektronicznego (otwiera się w nowej karcie) 10.1002/jssc.201501127
- Weryfikacja:
- Politechnika Gdańska
wyświetlono 119 razy