Abstract: A slide-type core retainer for a sample collector including a sampler tube driven into a sea floor. The slide-type core retainer includes a catcher holder detachably coupled to a tip end of the sampler tube; a catcher installed on an inner peripheral surface of a tip end of the catcher holder and configured to allow sediment introduction into the sampler tube and preventing sediment from being lost using resiliency. A control member slidably installed inside the catcher holder controls opening and closing of the catcher. The control member is coupled to the catcher before sample collection so that the catcher remains opened. The control member slides into an inner side of the catcher holder while being separated from the catcher by the resistance of the solid sediment such that the catcher is closed, when resistance is generated by solid sediment after the sampler tube is driven into the sediment.

Abstract: A slide-type core retainer for a sample collector including a sampler tube driven into a sea floor. The slide-type core retainer includes a catcher holder detachably coupled to a tip end of the sampler tube; a catcher installed on an inner peripheral surface of a tip end of the catcher holder and configured to allow sediment introduction into the sampler tube and preventing sediment from being lost using resiliency. A control member slidably installed inside the catcher holder controls opening and closing of the catcher. The control member is coupled to the catcher before sample collection so that the catcher remains opened. The control member slides into an inner side of the catcher holder while being separated from the catcher by the resistance of the solid sediment such that the catcher is closed, when resistance is generated by solid sediment after the sampler tube is driven into the sediment.

Abstract: The present invention provides an automated analyzing apparatus which comprises: a syringe unit for inhaling or transfering liquid such as sample, reagents and washing solution by moving the piston (12) by a certain distance; a built-in stirring bar (31) located within the syringe barrel (11); a driving unit for rotating the stirring bar (31); a driving means (13) for moving the piston (12) up and down; several connection paths (15a-15f) located in the lower part of the syringe barrel (11) or in the piston (12) where the sample, the reagents, the washing solution, and air can be provided or discharged; 2-way on/off valves (16a-16f) connected to each connection path (15a-15f); detecting means (3) positioned in the outer wall of the syringe barrel (11) perpendicular to the piston shaft (14); additional heating and cooling unit (4) for temperature control or sample digestion; control unit (6) for controlling the driving means (13), the detector (2) and valves (16a-16f) described above.