Suction device enabling fine solid particles to be separated from a liquid

摘要

Device for separating the liquid and solid constituents of a chemical reaction mixture (1), comprising a metal filtering needle (12) provided with lateral holes (5) and able to pass through polymeric- or rubber-type membranes (3) without the latter losing their gastightness (2), a suction source (7) capable of sucking out a liquid from a closed vessel (8), a liquid evacuation channel (6) and an end-piece (4).