High-throughput identification of volatile and semi-volatile organic compounds in archaeological samples by gas chromatography-mass spectrometry combined with advanced chemometrics methodology was written by Song, Jing-Jing;Wang, Xuan;Wang, Yang-Yang;Zhang, Yu-Ying;Yu, Yong-Jie. And the article was included in Microchemical Journal in 2020.HPLC of Formula: 106-21-8 The following contents are mentioned in the article:
Identification of compounds in food residues from archaeol. samples is important to determine their origin. However, high-throughput and accurate identification of compounds in archaeol. samples is challenging. In this work, we propose the use of gas chromatog.-mass spectrometry (GC-MS) combined with the recently developed chemometric tool autoGCMSDataAnal to identify compounds in archaeol. samples. Samples excavated from a tomb of the Xihan dynasty about 2000 BP were used to demonstrate the performance of our proposed methodol. Under the optimized GC-MS instrumental conditions, more than 300 total ion chromatogram peaks were automatically extracted for each sample. Coeluted components were automatically resolved and registered to construct resp. mass spectra, based on which compounds were accurately identified. Finally, more than 70 compounds were identified, among which more than 57% were confirmed by standards A comparison with the automated mass spectral deconvolution and identification system indicates that the combination of GC-MS with autoGCMSDataAnal is suitable for compound identification in archaeol. samples. This study involved multiple reactions and reactants, such as 3,7-Dimethyloctan-1-ol (cas: 106-21-8HPLC of Formula: 106-21-8).
3,7-Dimethyloctan-1-ol (cas: 106-21-8) belongs to alcohols. A strong base can deprotonate an alcohol to yield an alkoxide ion (R―O−). For example, sodamide (NaNH2), a very strong base, abstracts the hydrogen atom of an alcohol. Converting an alcohol to an alkene requires removal of the hydroxyl group and a hydrogen atom on the neighbouring carbon atom. Dehydrations are most commonly carried out by warming the alcohol in the presence of a strong dehydrating acid, such as concentrated sulfuric acid.HPLC of Formula: 106-21-8
Referemce:
Alcohol – Wikipedia,
Alcohols – Chemistry LibreTexts