| 摘要 |
PROBLEM TO BE SOLVED: To concentrate and measure sample gas by a concentrator having a simple and easily-operable/handleable structure. SOLUTION: In the concentrator 1 for concentrating sample gas SG including a separation filter 12 formed by bundling many nonporous membrane hollow fibers, the sample gas SG is allowed to pass the separation filter 12 to obtain concentrated sample gas SG1. Further, the separation filter 12 is stored in a storage tube 11, and arranged so that the longitudinal direction of the separation filter 12 is the same as the longitudinal direction of the storage tube 11. COPYRIGHT: (C)2011,JPO&INPIT
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