摘要
采用GC法测定天然冰片中的d-龙脑和樟脑的含量。分析柱为CP-WAX毛细管柱<30 m×0.32 mm×0.5μm>;升温程序为50℃,以5℃/min升温到100℃,保持1 min,再以10℃/min快速升温到180℃,保持5 min,进样流速比5∶1;FID检测器温度为250℃;进样口温度为200℃,载气为高纯氮气,体积流量为2 m L/min;空气体积流量为300 m L/min;氢气体积流量为30 m L/min;进样量为1μL。本方法操作简便、准确,精密度、分离度良好、分析时间短,为天然冰片的测定及其质量控制提供参考。
GC-method was be used to determine the d-borneol and camphor in the natural borneol. The analytical column is CP-WAX capillary column〈30 m×0.32 mm×0.5 μm〉; temperature program was set as： heating rate with 5 ℃/min from the initial temperature 50 ℃ to 100 ℃ then keeping the temperature for 1 min, and warming up quickly to 180 ℃ with a rate of10 ℃/min then keeping 5 min. Injection velocity ratio was 5 ∶1; FID detector temperature was 250 ℃; inlet temperature was200 ℃. High purity nitrogen was as carried gas with the volume flow 2 m L/min; air volume flow was 300 m L/min; hydrogen volume flow was 30 m L/min; the injection volume was 1 μL. The method has some advantages like simple and accurate operation, good precision and short analysis time, it can provide references for determining and controlling the quality of natural bornel.
出处
《江西林业科技》
2014年第6期52-53,共2页
Jiangxi Forestry Science and Technology
基金
江西省科技支撑计划项目"从龙脑油中提取天然冰片技术研究"(20122BBG70092)
