CPC G01N 1/4077 (2013.01) [B01D 29/03 (2013.01); B01D 29/96 (2013.01); B01D 35/12 (2013.01); B01D 35/30 (2013.01); B01D 2201/204 (2013.01); G01N 2001/4088 (2013.01)] | 25 Claims |
1. A sample collecting device, comprising a housing assembly and a filtering unit, wherein the housing assembly has a cavity and is provided with a collecting hole and a suction hole, both the collecting hole and the suction hole are communicated with the cavity, the filtering unit is provided in the cavity, the suction hole is communicated with the collecting hole through the filtering unit, the housing assembly is provided with a gateway on its side wall; and at least part of the filtering unit is configured to be moved to an outside of the housing assembly through the gateway, so that a sample in the filtering unit is taken out.
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