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程序升温气化 (PTV) 进样口备件

8890 气相色谱 (GC) 系统

程序升温气化 (PTV) 进样口备件

安捷伦程序升温气化进样口结合了分流、不分流和柱上进样口的优势。样品通常被注射到冷衬管中,因此不会发生进样针歧视。接着升高进样口温度以气化样品。然后,采用放空时间和温度编程以实现分流或不分流相当的样品蒸气转移到色谱柱。

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