| 摘要 |
PROBLEM TO BE SOLVED: To obviate washing for a tool used for injection of a sample liquid, to quantitatively introduce the sample liquid into a flow passage even in a very small amount of the sample liquid, and to precisely set a liquid feed velocity. SOLUTION: In this sample introduction method of the present invention for introducing the sample into a micro fluid element Da having the capillary-like flow passage 4 provided with an introduction port 7 opened to an outside and a delivery port 8, the sample liquid is brought into contact with a liquid for introduction in the introduction port 7 after filling the liquid for the introduction into the flow passage 4, and the liquid for the introduction is discharged from the delivery port 8 to introduce the sample liquid into the passage 4. When introducing the liquid for introduction into the passage 4, gas is preferably not mixed into the passage 4. COPYRIGHT: (C)2004,JPO&NCIPI
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