请问EN14372-2004标准中GCMS仪器参数条件是什么
答案:1 悬赏:20 手机版
解决时间 2021-11-14 06:45
- 提问者网友：暗中人
- 2021-11-13 12:00
请问EN14372-2004标准中GCMS仪器参数条件是什么
最佳答案
- 五星知识达人网友：舍身薄凉客
- 2021-11-13 12:17
下面是原版，是安捷轮的仪器，DB 17的柱子，全扫描模式，特征离子需要的话可以贴上来
The following equipment, column and operating conditions have been found suitable: Model: 5890 Gas Chromatograph (GC) with a Hewlett Packard 5971A Mass Selective Device (MSD) with scan range 50 - 500 atomic mass unit, and column 30 meters, 0,25 mm I.D. & 0,15 μm film thickness, 50 % dimethyl-50 % diphenylpolysiloxane,e.g. DB-17HT.
Carrier gas: Helium.
Flow rate: 0,8 ml/min.
Injector temperature: 290 °C.
Injection volume: 2 μl.
Injection typ: splitless.
Detector: MSD.
Transfer line temperature: 280 °C.
MSD mode: Electron impact.
Temperature programme: 40 °C for 4 min.
From 40 °C to 300 °C at 10 °C/min.
Isothermal 4,00 min.
Total run time is 34 min追问谢谢你的答复追答觉得有用的话记得采纳哦，呵呵
The following equipment, column and operating conditions have been found suitable: Model: 5890 Gas Chromatograph (GC) with a Hewlett Packard 5971A Mass Selective Device (MSD) with scan range 50 - 500 atomic mass unit, and column 30 meters, 0,25 mm I.D. & 0,15 μm film thickness, 50 % dimethyl-50 % diphenylpolysiloxane,e.g. DB-17HT.
Carrier gas: Helium.
Flow rate: 0,8 ml/min.
Injector temperature: 290 °C.
Injection volume: 2 μl.
Injection typ: splitless.
Detector: MSD.
Transfer line temperature: 280 °C.
MSD mode: Electron impact.
Temperature programme: 40 °C for 4 min.
From 40 °C to 300 °C at 10 °C/min.
Isothermal 4,00 min.
Total run time is 34 min追问谢谢你的答复追答觉得有用的话记得采纳哦，呵呵
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