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进样阀在进样过程中,必须是非常清洁的,否则得不到较好的结果。进样阀切换到进样位置(Inject)后,要在此位置保持一段时间,使流动相充分冲洗样品定量管,这样可以保证有较高的精确度,而且不用另外再冲洗样品定量管。这种由色谱仪器控制的冲洗显然要比手动冲洗更好些。
Injection valve in the injection process, must be very clean, otherwise not get better results. After the injection valve is switched to the Inject position, hold it there for a period of time to allow the mobile phase to flush the sample loop sufficiently to ensure greater accuracy without having to flush the sample loop separately. This chromatograph-controlled flush is obviously better than manual flushing.