A method for extracting components contained in a biological sample in liquid form, said components being capable of binding to magnetic particles, the method comprising: - a phase of mixing the sample with the magnetic particles; - a phase of suctioning the mixture from a well in a tubular pipette cone comprising a tip intended for pipetting liquid; - a phase of capturing the magnetic particles on an internal wall of the pipette cone: ∘ by applying a first magnetic field to the pipette cone, said field being capable of attracting and holding the magnetic particles in a predetermined zone of the pipette cone, termed "capture" zone, above the tip of said cone; ∘ and by applying at least one cycle of suction and discharge of the mixture contained in the pipette cone in a well; - at least one phase (114, 116) of washing the particles captured on the internal wall of the pipette cone by: ∘ discharging the mixture contained in the pipette cone; and ∘ applying, from a well containing a washing solution, at least one cycle of suction and discharge of the washing solution in the pipette cone; - a phase of migration of the magnetic particles on the internal wall of the pipette cone, from the capture zone to the tip of the pipette cone, by carrying out a relative movement of the pipette cone relative to the first magnetic field; - and a phase of transferring said magnetic particles having migrated into the tip of the pipette cone into a recovery well containing a solution. - a phase of mixing the sample with the magnetic particles; - a phase of suctioning the mixture from a well in a tubular pipette cone comprising a tip intended for pipetting liquid; - a phase of capturing the magnetic particles on an internal wall of the pipette cone: ∘ by applying a first magnetic field to the pipette cone, said field being capable of attracting and holding the magnetic particles in a predetermined zone of the pipette cone, termed "capture" zone, above the tip of said cone; ∘ and by applying at least one cycle of suction and discharge of the mixture contained in the pipette cone in a well; ∘ by applying a first magnetic field to the pipette cone, said field being capable of attracting and holding the magnetic particles in a predetermined zone of the pipette cone, termed "capture" zone, above the tip of said cone; ∘ and by applying at least one cycle of suction and discharge of the mixture contained in the pipette cone in a well; - at least one phase (114, 116) of washing the particles captured on the internal wall of the pipette cone by: ∘ discharging the mixture contained in the pipette cone; and ∘ applying, from a well containing a washing solution, at least one cycle of suction and discharge of the washing solution in the pipette cone; ∘ discharging the mixture contained in the pipette cone; and ∘ applying, from a well containing a washing solution, at least one cycle of suction and discharge of the washing solution in the pipette cone; - a phase of migration of the magnetic particles on the internal wall of the pipette cone, from the capture zone to the tip of the pipette cone, by carrying out a relative movement of the pipette cone relative to the first magnetic field; - and a phase of transferring said magnetic particles having migrated into the tip of the pipette cone into a recovery well containing a solution.