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Confirmation of identification of volatile substances by calculation of retention indexes
Cviková, Sára ; Šimíčková, Adéla (oponent) ; Vítová, Eva (vedoucí práce)
This bachelor thesis is focused on verifying the identification of volatile compounds using retention indices. The HS-SPME-GC-MS was used for determination. First part is theoretical and is focused especially on the brief definition of terms such as gas chromatography, retention time, retention index, mass spectrometry, however, the chemical and physical description of the CBD oil sample, which was used to prove the function of retention indices, is also mentioned. The standard homologous set of n-alkanes (C8 - C20) was used to determinate the retention indices, which was analyzed under the same conditions as the sample of CBD oil. In the CBD oil 38 volatile compounds were successfully identified. Their identification was confirmed by calculating their retention indices using the equation by H. van der Dool and D.J. Kratz, and comparing with tabulated values for the same type of chromatographic column.
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Confirmation of identification of volatile substances by calculation of retention indexes
Cviková, Sára ; Šimíčková, Adéla (oponent) ; Vítová, Eva (vedoucí práce)
This bachelor thesis is focused on verifying the identification of volatile compounds using retention indices. The HS-SPME-GC-MS was used for determination. First part is theoretical and is focused especially on the brief definition of terms such as gas chromatography, retention time, retention index, mass spectrometry, however, the chemical and physical description of the CBD oil sample, which was used to prove the function of retention indices, is also mentioned. The standard homologous set of n-alkanes (C8 - C20) was used to determinate the retention indices, which was analyzed under the same conditions as the sample of CBD oil. In the CBD oil 38 volatile compounds were successfully identified. Their identification was confirmed by calculating their retention indices using the equation by H. van der Dool and D.J. Kratz, and comparing with tabulated values for the same type of chromatographic column.
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