发布时间:2025-02-02 21:58:02
需要24-48小时
自动固相微萃取法SPME步骤:
_萃取头在样品中进行吸附,到达设定时间后萃取头缩进针头内,针头移动至进样口脱附。在SPME—个单独的步骤,都可由程序化控制。例如:
在萃取过程中样品可加热、振荡、自行衍生
_样品瓶加热的时间和温度
_萃取的时间
_萃取的深度(相对液面)
_萃取头的自动老化
宁波北仑新碶大碶小港霞浦柴桥春晓梅山白峰大榭房价现在达到多少了
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