作者: Ushio Hase
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摘要: In a denuder (2) serving as gas collection apparatus, an absorption liquid supply tube (4) for spraying from nozzle (4a) to the inner wall of pipe (2a) is provided at upper portion (2a). A sample atmospheric air (7) supplying into lower On formed photocatalyst thin film layer (13) containing which optically excited be made super-hydrophilic upon irradiation light having specific wavelengths (for example, ultraviolet rays) thereto.