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    • 10. 发明申请
    • PROCESS FOR INJECTING A SAMPLE INTO THE SEPARATION COLUMN OF A GAS-PHASE CHROMATOGRAPH AND INJECTION DEVICE FOR CARRYING OUT SAID PROCESS
    • 将样品注入气相分离色谱柱和注射进行所述过程的过程
    • WO9201222A2
    • 1992-01-23
    • PCT/FR9100530
    • 1991-07-02
    • RHONE POULENC IND
    • BECHE MICHELROUSSEL PHILIPPE
    • G01N1/00G01N30/16
    • G01N30/16G01N35/1095
    • Process and device for injecting a sample into the separation column of a gas-phase chromatograph. According to the process (a) the means (7) for feeding the sample to the column (12) are connected by means of the following (listed in order of the downstream direction): an injection means (2), an expansion chamber (3), a connection means (4) provided with an inlet (13) for the carrier gas; (b) the carrier gas is fed through the inlet (13) of the connecting means (4); (c) the sample is injected using an injection means (2); (d) after a set time, the carrier gas supply according to (b) is cut off; (e) the carrier gas is fed during a set time using the injection means (2); (f) the carrier gas supply according to (e) is cut off; (g) the carrier gas is fed through the inlet (13) of the connection means (4), the injection means (2) being connected to escape means (17). The process and the device are designed for on-line industrial analysis.
    • 本发明涉及用于将样品注入气相色谱仪的分离柱中的方法和装置。 根据该方法:(a)样品供应装置(7)通过从上游到下游连接到柱(12):注射装置(2),膨胀室(3) ),设有用于载气的入口(13)的连接装置(4) (b)载气通过连接装置(4)的入口(13)供应; (c)样品由注射装置(2)注射; (d)在预定时间之后停止根据(b)的载气供应; (e)通过注入装置(2)将载气供应预定时间; (f)根据(e)停止载气的供应; (g)载气通过连接装置(4)的入口(13)供应,注入装置(2)连接到泄漏装置(17)。 该方法和装置用于在线工业分析。