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首页> 外文期刊>American Journal of Analytical Chemistry >Volatile Organic Compounds in Crude Coconut and Petroleum Oils in Nigeria
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Volatile Organic Compounds in Crude Coconut and Petroleum Oils in Nigeria

机译：尼日利亚粗椰子和石油油中的挥发性有机化合物

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摘要

Analysis of Volatile Organic Compounds (VOCs) in crude coconut and petroleum oils from Nigeria is reported. Using head-space gas chromatography with a flame ionization detector and mass spectrometer, 8 VOCs were found in crude coconut oil and 29 VOCs were identified in crude petroleum oil. Crude coconut oil contained two aromatic, two nitrogenated, and four oxygenated compounds. Alkane, alkene, alkyne, halogenated, and sulfur compounds were absent in crude coconut oil but not in crude petroleum oil. The same observation held true for naphthalene. Conversely, benzofuran was absent in crude petroleum oil but was present in crude coconut oil at a concentration of 1.38 part-per-billion (ppb). The most concentrated VOC in crude coconut oil was dodecanoic acid at 9.98 ppb and that of crude petroleum oil was toluene at 12.61 ppb. Total VOC concentrations in crude coconut and petroleum oils are 20.49 and 87.46 ppb, respectively. These results are helpful in characterizing the chemical signature of Nigerian crude coconut oil for potential forensics use or in biofuel research.
机译：报道了尼日利亚粗椰子和石油油中挥发性有机化合物（VOC）的分析。使用具有火焰电离检测器和质谱仪的头空气色谱法，在粗椰子油中发现8 VOC，并在粗石油油中鉴定29 VOC。粗椰子油含有两个芳族，两个氮和四种含氧化合物。粗椰子油中不存在烷烃，烯烃，炔烃，卤化和硫化合物，但不含粗石油油。对于萘，同样的观察结果持有。相反，苯并呋喃在粗石油中不存在，但浓度为每亿分（PPB）的粗椰子油中存在。粗椰子油中最浓缩的VOC是十二烷酸，9.98ppb，粗石油油在12.61ppb下是甲苯。粗椰子和石油中的总VOC浓度分别为20.49和87.46ppb。这些结果有助于表征尼日利亚原油椰子油的化学特征，用于潜在的取证或生物燃料研究。

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