CAJ | 학술논문

建立大豆油中正己醛含量的顶空气质分析方法。将大豆油试样放入密封的气化瓶中，在55℃温度下，使正己醛气化达到平衡时，取液上气体注入GC/MS，经非极性毛细管柱HP-5ms分离，质谱选择离子监测对正己醛进行定量测定。该方法在0.05～1.00μg/mL范围内线性关系良好，相关系数0.9997；最小检测限为3.15ng/mL，方法回收率在90.0～107%之间，相对标准偏差3.4%。该方法前处理简单、快速，定量准确，灵敏度高，可用于实验室检测大豆油中正己醛含量。
건립대두유중정기철함량적정공기질분석방법。장대두유시양방입밀봉적기화병중，재55℃온도하，사정기철기화체도평형시，취액상기체주입GC/MS，경비겁성모세관주HP-5ms분리，질보선택리자감측대정기철진행정량측정。해방법재0.05～1.00μg/mL범위내선성관계량호，상관계수0.9997；최소검측한위3.15ng/mL，방법회수솔재90.0～107%지간，상대표준편차3.4%。해방법전처리간단、쾌속，정량준학，령민도고，가용우실험실검측대두유중정기철함량。
A method for the determination of hexanal in soybean oil by headspace GC/MS was developed. Hexanal in soybean oil which sealed in a battle was Gasify to achieve a gasification balance at 55 ℃ temperature,than was been injected into the GC/MS,they were separated on a HP-5MS column and the hexanal was determined by GC/MS with Sim monitoring.The linear range of the method was 0.05~1.00μg/mL(r=0.9997).The detection limit of hexanal was 3.15ng/mL. The recovery of hexanal was 90.0~107%,The RSD was 3.4%. It is a simple,rapid, accuracy and featuring high sensetivity method that could be applied in the lab.