检索规则说明:AND代表“并且”;OR代表“或者”;NOT代表“不包含”;(注意必须大写,运算符两边需空一格)
检 索 范 例 :范例一: (K=图书馆学 OR K=情报学) AND A=范并思 范例二:J=计算机应用与软件 AND (U=C++ OR U=Basic) NOT M=Visual
机构地区:[1]同济大学浙江学院,嘉兴314000 [2]浙江大学化工系,杭州310027
出 处:《分析试验室》2012年第3期105-109,共5页Chinese Journal of Analysis Laboratory
摘 要:采用气相色谱-质谱联用方法分析6-溴-去氢甲基睾丸素中的杂质。在30.0m×0.25mm,0.5μm的ZB-5MS毛细管柱上,柱温100℃保持3 min,后以20℃/min的速率程序升温至250℃,气化室温度270℃,载气氦气流量0.8 mL/min的条件下,6-溴-去氢甲基睾丸素及其中杂质获得很好分离。通过对各组分质谱图分析确定了6-溴-去氢甲基睾丸素中的七种杂质分别为去氢甲基睾丸素,6-烯-去氢甲基睾丸素,6-溴-17-甲基雄甾-1,4,16-三烯-3-酮的4种构象异构体以及6-溴-8-烯-去氢甲基睾丸素。Impurities in 6-bromo-methandrostenolone were identified by gas chromatography-mass spectrometry. Separation was carried out on a 30m ×0. 25mm, 0. 5μm ZB -5MS capillary column with helium gas as carrier gas (flow rate at 0. 8 mL/min) at injection tempera of 270~C. By raising oven temperature from 100 to 250℃ at the ramp of 20℃/min, compounds in analyte were separated and identified by elucidating the corresponding MS spectra through manual analysis. The seven by-products in 6-bromo-methandrostenolone were methandrostenolone, 6-ene-methandrostenolone, four conformational isomers of 6-bromine-17-methyl-androst-1, 4,16-triene-3-ketone and 6-bromine-8-ene-methandrostenolone.
关 键 词:气相色谱-质谱联用 6-溴-去氢甲基睾丸素 质谱解析
正在载入数据...
正在载入数据...
正在载入数据...
正在载入数据...
正在载入数据...
正在载入数据...
正在载入数据...
正在链接到云南高校图书馆文献保障联盟下载...
云南高校图书馆联盟文献共享服务平台 版权所有©
您的IP:216.73.216.117