A sampling adsorber, a heat desorption chamber device, a sampling apparatus and an analyzer apparatus. The sampling adsorber includes an outer barrel, which includes an outer barrel first end and an outer barrel second end, and a core located in the outer barrel, the core having a core first end and a core second end, and the outer barrel first end and the core first end are located at a same side of the sampling adsorber. The core includes an adsorbent portion configured to adsorb a sample and a core body portion, the adsorbent portion connected to the core body portion. Sizes of the outer barrel and the core are formed such that a gap is provided between them to allow external gas to enter the gap through the adsorbent portion and to subsequently be discharged from a downstream portion of the gap.
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